[Lldb-commits] [lldb] 76e47d4 - [lldb][NFC] Use C++ versions of the deprecated C standard library headers
Raphael Isemann via lldb-commits
lldb-commits at lists.llvm.org
Wed May 26 03:46:37 PDT 2021
Author: Raphael Isemann
Date: 2021-05-26T12:46:12+02:00
New Revision: 76e47d4887f456878c0e2f20ebfae36267006cd7
URL: https://github.com/llvm/llvm-project/commit/76e47d4887f456878c0e2f20ebfae36267006cd7
DIFF: https://github.com/llvm/llvm-project/commit/76e47d4887f456878c0e2f20ebfae36267006cd7.diff
LOG: [lldb][NFC] Use C++ versions of the deprecated C standard library headers
The C headers are deprecated so as requested in D102845, this is replacing them
all with their (not deprecated) C++ equivalent.
Reviewed By: shafik
Differential Revision: https://reviews.llvm.org/D103084
Added:
Modified:
lldb/include/lldb/API/SBCommandReturnObject.h
lldb/include/lldb/API/SBDebugger.h
lldb/include/lldb/API/SBEvent.h
lldb/include/lldb/API/SBExecutionContext.h
lldb/include/lldb/API/SBInstruction.h
lldb/include/lldb/API/SBInstructionList.h
lldb/include/lldb/API/SBProcess.h
lldb/include/lldb/API/SBSourceManager.h
lldb/include/lldb/API/SBStream.h
lldb/include/lldb/API/SBThread.h
lldb/include/lldb/API/SBThreadPlan.h
lldb/include/lldb/Breakpoint/StoppointHitCounter.h
lldb/include/lldb/Core/Address.h
lldb/include/lldb/Core/AddressRange.h
lldb/include/lldb/Core/AddressResolver.h
lldb/include/lldb/Core/AddressResolverFileLine.h
lldb/include/lldb/Core/Communication.h
lldb/include/lldb/Core/Debugger.h
lldb/include/lldb/Core/Disassembler.h
lldb/include/lldb/Core/DumpDataExtractor.h
lldb/include/lldb/Core/EmulateInstruction.h
lldb/include/lldb/Core/FileLineResolver.h
lldb/include/lldb/Core/FileSpecList.h
lldb/include/lldb/Core/FormatEntity.h
lldb/include/lldb/Core/IOHandler.h
lldb/include/lldb/Core/Mangled.h
lldb/include/lldb/Core/MappedHash.h
lldb/include/lldb/Core/Module.h
lldb/include/lldb/Core/ModuleList.h
lldb/include/lldb/Core/Opcode.h
lldb/include/lldb/Core/PluginManager.h
lldb/include/lldb/Core/SearchFilter.h
lldb/include/lldb/Core/Section.h
lldb/include/lldb/Core/SourceManager.h
lldb/include/lldb/Core/StreamAsynchronousIO.h
lldb/include/lldb/Core/StreamBuffer.h
lldb/include/lldb/Core/StreamFile.h
lldb/include/lldb/Core/UserSettingsController.h
lldb/include/lldb/Core/Value.h
lldb/include/lldb/Core/ValueObject.h
lldb/include/lldb/Core/ValueObjectCast.h
lldb/include/lldb/Core/ValueObjectChild.h
lldb/include/lldb/Core/ValueObjectConstResult.h
lldb/include/lldb/Core/ValueObjectConstResultCast.h
lldb/include/lldb/Core/ValueObjectConstResultChild.h
lldb/include/lldb/Core/ValueObjectConstResultImpl.h
lldb/include/lldb/Core/ValueObjectDynamicValue.h
lldb/include/lldb/Core/ValueObjectList.h
lldb/include/lldb/Core/ValueObjectMemory.h
lldb/include/lldb/Core/ValueObjectRegister.h
lldb/include/lldb/Core/ValueObjectSyntheticFilter.h
lldb/include/lldb/Core/ValueObjectVariable.h
lldb/include/lldb/Core/dwarf.h
lldb/include/lldb/DataFormatters/TypeSummary.h
lldb/include/lldb/DataFormatters/TypeSynthetic.h
lldb/include/lldb/Host/File.h
lldb/include/lldb/Host/FileCache.h
lldb/include/lldb/Host/FileSystem.h
lldb/include/lldb/Host/Host.h
lldb/include/lldb/Host/HostInfoBase.h
lldb/include/lldb/Host/ProcessRunLock.h
lldb/include/lldb/Host/SocketAddress.h
lldb/include/lldb/Host/StringConvert.h
lldb/include/lldb/Host/Time.h
lldb/include/lldb/Host/windows/PosixApi.h
lldb/include/lldb/Symbol/LocateSymbolFile.h
lldb/include/lldb/Target/DynamicLoader.h
lldb/include/lldb/Target/Process.h
lldb/include/lldb/Utility/Connection.h
lldb/include/lldb/Utility/ConstString.h
lldb/include/lldb/Utility/DataBuffer.h
lldb/include/lldb/Utility/DataBufferLLVM.h
lldb/include/lldb/Utility/DataEncoder.h
lldb/include/lldb/Utility/DataExtractor.h
lldb/include/lldb/Utility/Endian.h
lldb/include/lldb/Utility/Event.h
lldb/include/lldb/Utility/FileSpec.h
lldb/include/lldb/Utility/GDBRemote.h
lldb/include/lldb/Utility/IOObject.h
lldb/include/lldb/Utility/Listener.h
lldb/include/lldb/Utility/Predicate.h
lldb/include/lldb/Utility/Status.h
lldb/include/lldb/Utility/Stream.h
lldb/include/lldb/Utility/StreamCallback.h
lldb/include/lldb/Utility/StreamString.h
lldb/include/lldb/Utility/StreamTee.h
lldb/include/lldb/Utility/StringExtractor.h
lldb/include/lldb/Utility/StringExtractorGDBRemote.h
lldb/include/lldb/Utility/StringList.h
lldb/include/lldb/Utility/Timer.h
lldb/include/lldb/Utility/UUID.h
lldb/include/lldb/Utility/VMRange.h
lldb/include/lldb/lldb-types.h
lldb/source/API/SBDeclaration.cpp
lldb/source/API/SBError.cpp
lldb/source/API/SBFileSpec.cpp
lldb/source/API/SBFileSpecList.cpp
lldb/source/API/SBLineEntry.cpp
lldb/source/API/SBProcess.cpp
lldb/source/API/SBQueue.cpp
lldb/source/Breakpoint/BreakpointID.cpp
lldb/source/Breakpoint/BreakpointSite.cpp
lldb/source/Core/Address.cpp
lldb/source/Core/AddressRange.cpp
lldb/source/Core/AddressResolverFileLine.cpp
lldb/source/Core/Communication.cpp
lldb/source/Core/Debugger.cpp
lldb/source/Core/Disassembler.cpp
lldb/source/Core/DumpDataExtractor.cpp
lldb/source/Core/DynamicLoader.cpp
lldb/source/Core/EmulateInstruction.cpp
lldb/source/Core/FileSpecList.cpp
lldb/source/Core/FormatEntity.cpp
lldb/source/Core/IOHandler.cpp
lldb/source/Core/IOHandlerCursesGUI.cpp
lldb/source/Core/Mangled.cpp
lldb/source/Core/Module.cpp
lldb/source/Core/Opcode.cpp
lldb/source/Core/PluginManager.cpp
lldb/source/Core/SearchFilter.cpp
lldb/source/Core/Section.cpp
lldb/source/Core/SourceManager.cpp
lldb/source/Core/StreamFile.cpp
lldb/source/Core/Value.cpp
lldb/source/Core/ValueObject.cpp
lldb/source/Core/ValueObjectChild.cpp
lldb/source/Core/ValueObjectDynamicValue.cpp
lldb/source/Core/ValueObjectMemory.cpp
lldb/source/Core/ValueObjectRegister.cpp
lldb/source/Core/ValueObjectVariable.cpp
lldb/source/DataFormatters/StringPrinter.cpp
lldb/source/Expression/DWARFExpression.cpp
lldb/source/Expression/UserExpression.cpp
lldb/source/Expression/UtilityFunction.cpp
lldb/source/Host/android/LibcGlue.cpp
lldb/source/Host/common/Editline.cpp
lldb/source/Host/common/File.cpp
lldb/source/Host/common/FileSystem.cpp
lldb/source/Host/common/GetOptInc.cpp
lldb/source/Host/common/Host.cpp
lldb/source/Host/common/MainLoop.cpp
lldb/source/Host/common/ProcessLaunchInfo.cpp
lldb/source/Host/common/PseudoTerminal.cpp
lldb/source/Host/common/Socket.cpp
lldb/source/Host/common/SocketAddress.cpp
lldb/source/Host/common/StringConvert.cpp
lldb/source/Host/common/Terminal.cpp
lldb/source/Host/freebsd/Host.cpp
lldb/source/Host/freebsd/HostInfoFreeBSD.cpp
lldb/source/Host/linux/Host.cpp
lldb/source/Host/linux/HostInfoLinux.cpp
lldb/source/Host/macosx/cfcpp/CFCReleaser.h
lldb/source/Host/macosx/objcxx/Host.mm
lldb/source/Host/macosx/objcxx/HostInfoMacOSX.mm
lldb/source/Host/netbsd/HostInfoNetBSD.cpp
lldb/source/Host/netbsd/HostNetBSD.cpp
lldb/source/Host/openbsd/Host.cpp
lldb/source/Host/openbsd/HostInfoOpenBSD.cpp
lldb/source/Host/posix/ConnectionFileDescriptorPosix.cpp
lldb/source/Host/posix/DomainSocket.cpp
lldb/source/Host/posix/HostInfoPosix.cpp
lldb/source/Host/posix/HostProcessPosix.cpp
lldb/source/Host/posix/HostThreadPosix.cpp
lldb/source/Host/posix/PipePosix.cpp
lldb/source/Host/posix/ProcessLauncherPosixFork.cpp
lldb/source/Host/windows/Host.cpp
lldb/source/Host/windows/Windows.cpp
lldb/source/Interpreter/CommandHistory.cpp
lldb/source/Interpreter/CommandInterpreter.cpp
lldb/source/Interpreter/CommandObject.cpp
lldb/source/Interpreter/ScriptInterpreter.cpp
lldb/source/Plugins/DynamicLoader/Darwin-Kernel/DynamicLoaderDarwinKernel.cpp
lldb/source/Plugins/DynamicLoader/MacOSX-DYLD/DynamicLoaderDarwin.cpp
lldb/source/Plugins/DynamicLoader/MacOSX-DYLD/DynamicLoaderMacOSXDYLD.cpp
lldb/source/Plugins/ExpressionParser/Clang/ASTResultSynthesizer.cpp
lldb/source/Plugins/ExpressionParser/Clang/ASTStructExtractor.cpp
lldb/source/Plugins/ExpressionParser/Clang/ClangExpressionDeclMap.h
lldb/source/Plugins/ExpressionParser/Clang/ClangExpressionVariable.h
lldb/source/Plugins/ExpressionParser/Clang/ClangUserExpression.cpp
lldb/source/Plugins/ExpressionParser/Clang/ClangUtilityFunction.cpp
lldb/source/Plugins/Instruction/ARM/EmulateInstructionARM.cpp
lldb/source/Plugins/Instruction/MIPS/EmulateInstructionMIPS.cpp
lldb/source/Plugins/Instruction/MIPS64/EmulateInstructionMIPS64.cpp
lldb/source/Plugins/Instruction/PPC64/EmulateInstructionPPC64.cpp
lldb/source/Plugins/InstrumentationRuntime/UBSan/InstrumentationRuntimeUBSan.cpp
lldb/source/Plugins/Language/ObjC/CoreMedia.cpp
lldb/source/Plugins/LanguageRuntime/CPlusPlus/CPPLanguageRuntime.cpp
lldb/source/Plugins/LanguageRuntime/ObjC/AppleObjCRuntime/AppleObjCRuntimeV2.cpp
lldb/source/Plugins/ObjectFile/ELF/ObjectFileELF.h
lldb/source/Plugins/Platform/Android/AdbClient.cpp
lldb/source/Plugins/Platform/FreeBSD/PlatformFreeBSD.cpp
lldb/source/Plugins/Platform/Linux/PlatformLinux.cpp
lldb/source/Plugins/Platform/MacOSX/PlatformDarwin.cpp
lldb/source/Plugins/Platform/NetBSD/PlatformNetBSD.cpp
lldb/source/Plugins/Platform/OpenBSD/PlatformOpenBSD.cpp
lldb/source/Plugins/Platform/Windows/PlatformWindows.cpp
lldb/source/Plugins/Process/Linux/NativeProcessLinux.cpp
lldb/source/Plugins/Process/Linux/NativeThreadLinux.cpp
lldb/source/Plugins/Process/Linux/SingleStepCheck.cpp
lldb/source/Plugins/Process/MacOSX-Kernel/CommunicationKDP.cpp
lldb/source/Plugins/Process/MacOSX-Kernel/ProcessKDP.cpp
lldb/source/Plugins/Process/NetBSD/NativeRegisterContextNetBSD_x86_64.cpp
lldb/source/Plugins/Process/POSIX/CrashReason.h
lldb/source/Plugins/Process/Utility/LinuxPTraceDefines_arm64sve.h
lldb/source/Plugins/Process/Utility/RegisterContextDarwin_i386.cpp
lldb/source/Plugins/Process/Utility/RegisterContextDarwin_x86_64.cpp
lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_arm.cpp
lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_arm64.cpp
lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_mips64.cpp
lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_powerpc.cpp
lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_ppc64le.cpp
lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_s390x.cpp
lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_x86.cpp
lldb/source/Plugins/Process/Utility/RegisterInfoPOSIX_arm.cpp
lldb/source/Plugins/Process/Utility/RegisterInfoPOSIX_arm64.cpp
lldb/source/Plugins/Process/Utility/RegisterInfoPOSIX_ppc64le.cpp
lldb/source/Plugins/Process/Utility/RegisterInfos_arm.h
lldb/source/Plugins/Process/Utility/RegisterInfos_arm64.h
lldb/source/Plugins/Process/Utility/RegisterInfos_mips.h
lldb/source/Plugins/Process/Utility/RegisterInfos_mips64.h
lldb/source/Plugins/Process/Utility/RegisterInfos_powerpc.h
lldb/source/Plugins/Process/Utility/RegisterInfos_ppc64.h
lldb/source/Plugins/Process/Utility/RegisterInfos_ppc64le.h
lldb/source/Plugins/Process/Utility/RegisterInfos_s390x.h
lldb/source/Plugins/Process/elf-core/ProcessElfCore.cpp
lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunication.cpp
lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.cpp
lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationReplayServer.cpp
lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServer.cpp
lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerCommon.cpp
lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerLLGS.cpp
lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerPlatform.cpp
lldb/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp
lldb/source/Plugins/Process/mach-core/ProcessMachCore.cpp
lldb/source/Plugins/Process/minidump/RegisterContextMinidump_ARM.cpp
lldb/source/Plugins/Process/minidump/RegisterContextMinidump_ARM64.cpp
lldb/source/Plugins/ScriptInterpreter/Python/PythonDataObjects.cpp
lldb/source/Plugins/ScriptInterpreter/Python/PythonReadline.cpp
lldb/source/Plugins/ScriptInterpreter/Python/ScriptInterpreterPython.cpp
lldb/source/Plugins/StructuredData/DarwinLog/StructuredDataDarwinLog.cpp
lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.cpp
lldb/source/Plugins/SymbolFile/DWARF/DWARFDebugInfoEntry.cpp
lldb/source/Plugins/SymbolFile/DWARF/DWARFDefines.h
lldb/source/Plugins/SymbolFile/DWARF/DWARFFormValue.cpp
lldb/source/Plugins/SymbolFile/DWARF/DWARFFormValue.h
lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp
lldb/source/Plugins/SymbolVendor/ELF/SymbolVendorELF.cpp
lldb/source/Plugins/SymbolVendor/MacOSX/SymbolVendorMacOSX.cpp
lldb/source/Plugins/SymbolVendor/wasm/SymbolVendorWasm.cpp
lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp
lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.h
lldb/source/Symbol/Type.cpp
lldb/source/Symbol/UnwindTable.cpp
lldb/source/Target/ModuleCache.cpp
lldb/source/Target/ThreadCollection.cpp
lldb/source/Target/ThreadList.cpp
lldb/source/Utility/Broadcaster.cpp
lldb/source/Utility/ConstString.cpp
lldb/source/Utility/DataBufferLLVM.cpp
lldb/source/Utility/DataEncoder.cpp
lldb/source/Utility/DataExtractor.cpp
lldb/source/Utility/Event.cpp
lldb/source/Utility/FileSpec.cpp
lldb/source/Utility/GDBRemote.cpp
lldb/source/Utility/Log.cpp
lldb/source/Utility/Logging.cpp
lldb/source/Utility/RegisterValue.cpp
lldb/source/Utility/ReproducerInstrumentation.cpp
lldb/source/Utility/SelectHelper.cpp
lldb/source/Utility/Status.cpp
lldb/source/Utility/Stream.cpp
lldb/source/Utility/StringExtractor.cpp
lldb/source/Utility/StringExtractorGDBRemote.cpp
lldb/source/Utility/StringLexer.cpp
lldb/source/Utility/StringList.cpp
lldb/source/Utility/StructuredData.cpp
lldb/source/Utility/TildeExpressionResolver.cpp
lldb/source/Utility/Timer.cpp
lldb/source/Utility/UUID.cpp
lldb/source/Utility/UriParser.cpp
lldb/source/Utility/UserID.cpp
lldb/source/Utility/VASprintf.cpp
lldb/source/Utility/VMRange.cpp
lldb/tools/darwin-debug/darwin-debug.cpp
lldb/tools/debugserver/source/DNB.cpp
lldb/tools/debugserver/source/DNBArch.cpp
lldb/tools/debugserver/source/DNBArch.h
lldb/tools/debugserver/source/DNBBreakpoint.cpp
lldb/tools/debugserver/source/DNBDataRef.cpp
lldb/tools/debugserver/source/DNBDataRef.h
lldb/tools/debugserver/source/DNBDefs.h
lldb/tools/debugserver/source/DNBError.h
lldb/tools/debugserver/source/DNBLog.cpp
lldb/tools/debugserver/source/DNBLog.h
lldb/tools/debugserver/source/DNBRegisterInfo.cpp
lldb/tools/debugserver/source/DNBRegisterInfo.h
lldb/tools/debugserver/source/DNBTimer.h
lldb/tools/debugserver/source/JSON.cpp
lldb/tools/debugserver/source/JSON.h
lldb/tools/debugserver/source/MacOSX/MachException.cpp
lldb/tools/debugserver/source/MacOSX/MachThread.cpp
lldb/tools/debugserver/source/MacOSX/MachThreadList.cpp
lldb/tools/debugserver/source/MacOSX/MachVMRegion.cpp
lldb/tools/debugserver/source/MacOSX/arm/DNBArchImpl.cpp
lldb/tools/debugserver/source/MacOSX/arm64/DNBArchImplARM64.cpp
lldb/tools/debugserver/source/MacOSX/i386/MachRegisterStatesI386.h
lldb/tools/debugserver/source/MacOSX/x86_64/DNBArchImplX86_64.cpp
lldb/tools/debugserver/source/MacOSX/x86_64/MachRegisterStatesX86_64.h
lldb/tools/debugserver/source/PThreadEvent.cpp
lldb/tools/debugserver/source/PThreadEvent.h
lldb/tools/debugserver/source/PThreadMutex.h
lldb/tools/debugserver/source/PseudoTerminal.cpp
lldb/tools/debugserver/source/RNBRemote.cpp
lldb/tools/debugserver/source/RNBSocket.cpp
lldb/tools/debugserver/source/StdStringExtractor.cpp
lldb/tools/debugserver/source/StdStringExtractor.h
lldb/tools/debugserver/source/SysSignal.cpp
lldb/tools/debugserver/source/TTYState.h
lldb/tools/debugserver/source/debugserver.cpp
lldb/tools/debugserver/source/libdebugserver.cpp
lldb/tools/driver/Driver.cpp
lldb/tools/driver/Platform.cpp
lldb/tools/driver/Platform.h
lldb/tools/lldb-server/lldb-gdbserver.cpp
lldb/tools/lldb-server/lldb-platform.cpp
lldb/tools/lldb-server/lldb-server.cpp
lldb/tools/lldb-vscode/JSONUtils.h
lldb/tools/lldb-vscode/VSCode.cpp
lldb/tools/lldb-vscode/VSCode.h
lldb/tools/lldb-vscode/lldb-vscode.cpp
Removed:
################################################################################
diff --git a/lldb/include/lldb/API/SBCommandReturnObject.h b/lldb/include/lldb/API/SBCommandReturnObject.h
index 4ee296eb17971..6e1e7adb82caf 100644
--- a/lldb/include/lldb/API/SBCommandReturnObject.h
+++ b/lldb/include/lldb/API/SBCommandReturnObject.h
@@ -9,7 +9,7 @@
#ifndef LLDB_API_SBCOMMANDRETURNOBJECT_H
#define LLDB_API_SBCOMMANDRETURNOBJECT_H
-#include <stdio.h>
+#include <cstdio>
#include <memory>
diff --git a/lldb/include/lldb/API/SBDebugger.h b/lldb/include/lldb/API/SBDebugger.h
index 489ed4f252485..ef62141f579d6 100644
--- a/lldb/include/lldb/API/SBDebugger.h
+++ b/lldb/include/lldb/API/SBDebugger.h
@@ -9,7 +9,7 @@
#ifndef LLDB_API_SBDEBUGGER_H
#define LLDB_API_SBDEBUGGER_H
-#include <stdio.h>
+#include <cstdio>
#include "lldb/API/SBDefines.h"
#include "lldb/API/SBPlatform.h"
diff --git a/lldb/include/lldb/API/SBEvent.h b/lldb/include/lldb/API/SBEvent.h
index a7975bf9abae3..08682b52cd23b 100644
--- a/lldb/include/lldb/API/SBEvent.h
+++ b/lldb/include/lldb/API/SBEvent.h
@@ -11,7 +11,7 @@
#include "lldb/API/SBDefines.h"
-#include <stdio.h>
+#include <cstdio>
#include <vector>
namespace lldb {
diff --git a/lldb/include/lldb/API/SBExecutionContext.h b/lldb/include/lldb/API/SBExecutionContext.h
index d8447aeb1a2f7..06ece6fbc0fad 100644
--- a/lldb/include/lldb/API/SBExecutionContext.h
+++ b/lldb/include/lldb/API/SBExecutionContext.h
@@ -12,7 +12,7 @@
#include "lldb/API/SBDefines.h"
-#include <stdio.h>
+#include <cstdio>
#include <vector>
namespace lldb {
diff --git a/lldb/include/lldb/API/SBInstruction.h b/lldb/include/lldb/API/SBInstruction.h
index 7d07e168cf038..b9d781550b5da 100644
--- a/lldb/include/lldb/API/SBInstruction.h
+++ b/lldb/include/lldb/API/SBInstruction.h
@@ -12,7 +12,7 @@
#include "lldb/API/SBData.h"
#include "lldb/API/SBDefines.h"
-#include <stdio.h>
+#include <cstdio>
// There's a lot to be fixed here, but need to wait for underlying insn
// implementation to be revised & settle down first.
diff --git a/lldb/include/lldb/API/SBInstructionList.h b/lldb/include/lldb/API/SBInstructionList.h
index ae8988004e26d..b9c6c66ebd85c 100644
--- a/lldb/include/lldb/API/SBInstructionList.h
+++ b/lldb/include/lldb/API/SBInstructionList.h
@@ -11,7 +11,7 @@
#include "lldb/API/SBDefines.h"
-#include <stdio.h>
+#include <cstdio>
namespace lldb {
diff --git a/lldb/include/lldb/API/SBProcess.h b/lldb/include/lldb/API/SBProcess.h
index a90ec2a29a399..5cf5b1f9aadb8 100644
--- a/lldb/include/lldb/API/SBProcess.h
+++ b/lldb/include/lldb/API/SBProcess.h
@@ -14,7 +14,7 @@
#include "lldb/API/SBProcessInfo.h"
#include "lldb/API/SBQueue.h"
#include "lldb/API/SBTarget.h"
-#include <stdio.h>
+#include <cstdio>
namespace lldb {
diff --git a/lldb/include/lldb/API/SBSourceManager.h b/lldb/include/lldb/API/SBSourceManager.h
index c8302dbda3c00..e95cfa66e1c59 100644
--- a/lldb/include/lldb/API/SBSourceManager.h
+++ b/lldb/include/lldb/API/SBSourceManager.h
@@ -11,7 +11,7 @@
#include "lldb/API/SBDefines.h"
-#include <stdio.h>
+#include <cstdio>
namespace lldb {
diff --git a/lldb/include/lldb/API/SBStream.h b/lldb/include/lldb/API/SBStream.h
index f39bf13f2bf78..a01fb0facc253 100644
--- a/lldb/include/lldb/API/SBStream.h
+++ b/lldb/include/lldb/API/SBStream.h
@@ -9,7 +9,7 @@
#ifndef LLDB_API_SBSTREAM_H
#define LLDB_API_SBSTREAM_H
-#include <stdio.h>
+#include <cstdio>
#include "lldb/API/SBDefines.h"
diff --git a/lldb/include/lldb/API/SBThread.h b/lldb/include/lldb/API/SBThread.h
index 095a679948227..9960a2224f65d 100644
--- a/lldb/include/lldb/API/SBThread.h
+++ b/lldb/include/lldb/API/SBThread.h
@@ -11,7 +11,7 @@
#include "lldb/API/SBDefines.h"
-#include <stdio.h>
+#include <cstdio>
namespace lldb {
diff --git a/lldb/include/lldb/API/SBThreadPlan.h b/lldb/include/lldb/API/SBThreadPlan.h
index 831452dc0a98d..0d166b35ae4ad 100644
--- a/lldb/include/lldb/API/SBThreadPlan.h
+++ b/lldb/include/lldb/API/SBThreadPlan.h
@@ -11,7 +11,7 @@
#include "lldb/API/SBDefines.h"
-#include <stdio.h>
+#include <cstdio>
namespace lldb {
diff --git a/lldb/include/lldb/Breakpoint/StoppointHitCounter.h b/lldb/include/lldb/Breakpoint/StoppointHitCounter.h
index 26f816da6430d..ae9ec6b3c807b 100644
--- a/lldb/include/lldb/Breakpoint/StoppointHitCounter.h
+++ b/lldb/include/lldb/Breakpoint/StoppointHitCounter.h
@@ -9,7 +9,7 @@
#ifndef LLDB_BREAKPOINT_STOPPOINT_HIT_COUNTER_H
#define LLDB_BREAKPOINT_STOPPOINT_HIT_COUNTER_H
-#include <assert.h>
+#include <cassert>
#include <cstdint>
#include <limits>
diff --git a/lldb/include/lldb/Core/Address.h b/lldb/include/lldb/Core/Address.h
index 71e50b91d68e0..c9734e78ec0f0 100644
--- a/lldb/include/lldb/Core/Address.h
+++ b/lldb/include/lldb/Core/Address.h
@@ -14,8 +14,8 @@
#include "lldb/lldb-private-enumerations.h"
#include "lldb/lldb-types.h"
-#include <stddef.h>
-#include <stdint.h>
+#include <cstddef>
+#include <cstdint>
namespace lldb_private {
class Block;
diff --git a/lldb/include/lldb/Core/AddressRange.h b/lldb/include/lldb/Core/AddressRange.h
index d7017840197d7..f14a9e9412152 100644
--- a/lldb/include/lldb/Core/AddressRange.h
+++ b/lldb/include/lldb/Core/AddressRange.h
@@ -13,7 +13,7 @@
#include "lldb/lldb-forward.h"
#include "lldb/lldb-types.h"
-#include <stddef.h>
+#include <cstddef>
namespace lldb_private {
class SectionList;
diff --git a/lldb/include/lldb/Core/AddressResolver.h b/lldb/include/lldb/Core/AddressResolver.h
index 9ac058a97cd91..cb571bb5cb60d 100644
--- a/lldb/include/lldb/Core/AddressResolver.h
+++ b/lldb/include/lldb/Core/AddressResolver.h
@@ -13,7 +13,7 @@
#include "lldb/Core/SearchFilter.h"
#include "lldb/lldb-defines.h"
-#include <stddef.h>
+#include <cstddef>
#include <vector>
namespace lldb_private {
diff --git a/lldb/include/lldb/Core/AddressResolverFileLine.h b/lldb/include/lldb/Core/AddressResolverFileLine.h
index 81375a1a419d6..e768256bf618b 100644
--- a/lldb/include/lldb/Core/AddressResolverFileLine.h
+++ b/lldb/include/lldb/Core/AddressResolverFileLine.h
@@ -14,7 +14,7 @@
#include "lldb/Core/SourceLocationSpec.h"
#include "lldb/lldb-defines.h"
-#include <stdint.h>
+#include <cstdint>
namespace lldb_private {
class Address;
diff --git a/lldb/include/lldb/Core/Communication.h b/lldb/include/lldb/Core/Communication.h
index 354c4bbcc283c..930e927f6783a 100644
--- a/lldb/include/lldb/Core/Communication.h
+++ b/lldb/include/lldb/Core/Communication.h
@@ -22,8 +22,8 @@
#include <ratio>
#include <string>
-#include <stddef.h>
-#include <stdint.h>
+#include <cstddef>
+#include <cstdint>
namespace lldb_private {
class Connection;
diff --git a/lldb/include/lldb/Core/Debugger.h b/lldb/include/lldb/Core/Debugger.h
index 7d7db39589440..7f25e641f4759 100644
--- a/lldb/include/lldb/Core/Debugger.h
+++ b/lldb/include/lldb/Core/Debugger.h
@@ -9,7 +9,7 @@
#ifndef LLDB_CORE_DEBUGGER_H
#define LLDB_CORE_DEBUGGER_H
-#include <stdint.h>
+#include <cstdint>
#include <memory>
#include <vector>
@@ -42,9 +42,9 @@
#include "llvm/Support/DynamicLibrary.h"
#include "llvm/Support/Threading.h"
-#include <assert.h>
-#include <stddef.h>
-#include <stdio.h>
+#include <cassert>
+#include <cstddef>
+#include <cstdio>
namespace llvm {
class raw_ostream;
diff --git a/lldb/include/lldb/Core/Disassembler.h b/lldb/include/lldb/Core/Disassembler.h
index 0a76f0a12b9d2..e33ddcf13229c 100644
--- a/lldb/include/lldb/Core/Disassembler.h
+++ b/lldb/include/lldb/Core/Disassembler.h
@@ -34,9 +34,9 @@
#include <string>
#include <vector>
-#include <stddef.h>
-#include <stdint.h>
-#include <stdio.h>
+#include <cstddef>
+#include <cstdint>
+#include <cstdio>
namespace llvm {
template <typename T> class SmallVectorImpl;
diff --git a/lldb/include/lldb/Core/DumpDataExtractor.h b/lldb/include/lldb/Core/DumpDataExtractor.h
index 2a9d778e0a6a8..12188609e8c03 100644
--- a/lldb/include/lldb/Core/DumpDataExtractor.h
+++ b/lldb/include/lldb/Core/DumpDataExtractor.h
@@ -12,8 +12,8 @@
#include "lldb/lldb-enumerations.h"
#include "lldb/lldb-types.h"
-#include <stddef.h>
-#include <stdint.h>
+#include <cstddef>
+#include <cstdint>
namespace lldb_private {
class DataExtractor;
diff --git a/lldb/include/lldb/Core/EmulateInstruction.h b/lldb/include/lldb/Core/EmulateInstruction.h
index a575488ba966b..58cd3e8eb4dfc 100644
--- a/lldb/include/lldb/Core/EmulateInstruction.h
+++ b/lldb/include/lldb/Core/EmulateInstruction.h
@@ -21,8 +21,8 @@
#include "lldb/lldb-private-types.h"
#include "lldb/lldb-types.h"
-#include <stddef.h>
-#include <stdint.h>
+#include <cstddef>
+#include <cstdint>
namespace lldb_private {
class OptionValueDictionary;
diff --git a/lldb/include/lldb/Core/FileLineResolver.h b/lldb/include/lldb/Core/FileLineResolver.h
index 68e252e93bc96..d28cc117040ee 100644
--- a/lldb/include/lldb/Core/FileLineResolver.h
+++ b/lldb/include/lldb/Core/FileLineResolver.h
@@ -14,7 +14,7 @@
#include "lldb/Utility/FileSpec.h"
#include "lldb/lldb-defines.h"
-#include <stdint.h>
+#include <cstdint>
namespace lldb_private {
class Address;
diff --git a/lldb/include/lldb/Core/FileSpecList.h b/lldb/include/lldb/Core/FileSpecList.h
index 3e412a7e1a320..cab8e9b9b43fc 100644
--- a/lldb/include/lldb/Core/FileSpecList.h
+++ b/lldb/include/lldb/Core/FileSpecList.h
@@ -14,7 +14,7 @@
#include <vector>
-#include <stddef.h>
+#include <cstddef>
namespace lldb_private {
class Stream;
diff --git a/lldb/include/lldb/Core/FormatEntity.h b/lldb/include/lldb/Core/FormatEntity.h
index ca16e02c54a5a..ca8ecda5b5677 100644
--- a/lldb/include/lldb/Core/FormatEntity.h
+++ b/lldb/include/lldb/Core/FormatEntity.h
@@ -12,8 +12,8 @@
#include "lldb/lldb-enumerations.h"
#include "lldb/lldb-types.h"
#include <algorithm>
-#include <stddef.h>
-#include <stdint.h>
+#include <cstddef>
+#include <cstdint>
#include <string>
#include <vector>
diff --git a/lldb/include/lldb/Core/IOHandler.h b/lldb/include/lldb/Core/IOHandler.h
index 6cb0e56681e0c..4a3b788e3ea16 100644
--- a/lldb/include/lldb/Core/IOHandler.h
+++ b/lldb/include/lldb/Core/IOHandler.h
@@ -26,8 +26,8 @@
#include <string>
#include <vector>
-#include <stdint.h>
-#include <stdio.h>
+#include <cstdint>
+#include <cstdio>
namespace lldb_private {
class Debugger;
diff --git a/lldb/include/lldb/Core/Mangled.h b/lldb/include/lldb/Core/Mangled.h
index c03fc1eb75999..19f44c95835c3 100644
--- a/lldb/include/lldb/Core/Mangled.h
+++ b/lldb/include/lldb/Core/Mangled.h
@@ -17,8 +17,8 @@
#include "llvm/ADT/StringRef.h"
+#include <cstddef>
#include <memory>
-#include <stddef.h>
namespace lldb_private {
diff --git a/lldb/include/lldb/Core/MappedHash.h b/lldb/include/lldb/Core/MappedHash.h
index a27ec82b9b869..58634e5137278 100644
--- a/lldb/include/lldb/Core/MappedHash.h
+++ b/lldb/include/lldb/Core/MappedHash.h
@@ -9,8 +9,8 @@
#ifndef LLDB_CORE_MAPPEDHASH_H
#define LLDB_CORE_MAPPEDHASH_H
-#include <assert.h>
-#include <stdint.h>
+#include <cassert>
+#include <cstdint>
#include <algorithm>
#include <functional>
diff --git a/lldb/include/lldb/Core/Module.h b/lldb/include/lldb/Core/Module.h
index 9eb7477730c17..c848c6997eba4 100644
--- a/lldb/include/lldb/Core/Module.h
+++ b/lldb/include/lldb/Core/Module.h
@@ -32,10 +32,10 @@
#include "llvm/Support/Chrono.h"
#include <atomic>
+#include <cstddef>
+#include <cstdint>
#include <memory>
#include <mutex>
-#include <stddef.h>
-#include <stdint.h>
#include <string>
#include <vector>
diff --git a/lldb/include/lldb/Core/ModuleList.h b/lldb/include/lldb/Core/ModuleList.h
index 46a718f08f047..46ad44359fa1b 100644
--- a/lldb/include/lldb/Core/ModuleList.h
+++ b/lldb/include/lldb/Core/ModuleList.h
@@ -27,8 +27,8 @@
#include <mutex>
#include <vector>
-#include <stddef.h>
-#include <stdint.h>
+#include <cstddef>
+#include <cstdint>
namespace lldb_private {
class ConstString;
diff --git a/lldb/include/lldb/Core/Opcode.h b/lldb/include/lldb/Core/Opcode.h
index a812ae23f6b75..005c3a440b17d 100644
--- a/lldb/include/lldb/Core/Opcode.h
+++ b/lldb/include/lldb/Core/Opcode.h
@@ -14,9 +14,9 @@
#include "llvm/Support/SwapByteOrder.h"
-#include <assert.h>
-#include <stdint.h>
-#include <string.h>
+#include <cassert>
+#include <cstdint>
+#include <cstring>
namespace lldb {
class SBInstruction;
diff --git a/lldb/include/lldb/Core/PluginManager.h b/lldb/include/lldb/Core/PluginManager.h
index 4fc2ffe095ce5..7ddd932da33f1 100644
--- a/lldb/include/lldb/Core/PluginManager.h
+++ b/lldb/include/lldb/Core/PluginManager.h
@@ -19,8 +19,8 @@
#include "lldb/lldb-private-interfaces.h"
#include "llvm/ADT/StringRef.h"
-#include <stddef.h>
-#include <stdint.h>
+#include <cstddef>
+#include <cstdint>
#define LLDB_PLUGIN_DEFINE_ADV(ClassName, PluginName) \
namespace lldb_private { \
diff --git a/lldb/include/lldb/Core/SearchFilter.h b/lldb/include/lldb/Core/SearchFilter.h
index 54dc65e4410f5..491e3ddc5985f 100644
--- a/lldb/include/lldb/Core/SearchFilter.h
+++ b/lldb/include/lldb/Core/SearchFilter.h
@@ -15,7 +15,7 @@
#include "lldb/Utility/FileSpec.h"
#include "lldb/lldb-forward.h"
-#include <stdint.h>
+#include <cstdint>
namespace lldb_private {
class Address;
diff --git a/lldb/include/lldb/Core/Section.h b/lldb/include/lldb/Core/Section.h
index af2bb7896a5bc..3d4ab154e743f 100644
--- a/lldb/include/lldb/Core/Section.h
+++ b/lldb/include/lldb/Core/Section.h
@@ -21,8 +21,8 @@
#include <memory>
#include <vector>
-#include <stddef.h>
-#include <stdint.h>
+#include <cstddef>
+#include <cstdint>
namespace lldb_private {
class Address;
diff --git a/lldb/include/lldb/Core/SourceManager.h b/lldb/include/lldb/Core/SourceManager.h
index 7549c308f33a8..5f2c1de846520 100644
--- a/lldb/include/lldb/Core/SourceManager.h
+++ b/lldb/include/lldb/Core/SourceManager.h
@@ -15,10 +15,10 @@
#include "llvm/Support/Chrono.h"
+#include <cstddef>
#include <cstdint>
#include <map>
#include <memory>
-#include <stddef.h>
#include <string>
#include <vector>
diff --git a/lldb/include/lldb/Core/StreamAsynchronousIO.h b/lldb/include/lldb/Core/StreamAsynchronousIO.h
index 949a798955d1c..30eff55b2e51a 100644
--- a/lldb/include/lldb/Core/StreamAsynchronousIO.h
+++ b/lldb/include/lldb/Core/StreamAsynchronousIO.h
@@ -13,7 +13,7 @@
#include <string>
-#include <stddef.h>
+#include <cstddef>
namespace lldb_private {
class Debugger;
diff --git a/lldb/include/lldb/Core/StreamBuffer.h b/lldb/include/lldb/Core/StreamBuffer.h
index 9c48ddb44d71e..c086c723ec213 100644
--- a/lldb/include/lldb/Core/StreamBuffer.h
+++ b/lldb/include/lldb/Core/StreamBuffer.h
@@ -11,7 +11,7 @@
#include "lldb/Utility/Stream.h"
#include "llvm/ADT/SmallVector.h"
-#include <stdio.h>
+#include <cstdio>
#include <string>
namespace lldb_private {
diff --git a/lldb/include/lldb/Core/StreamFile.h b/lldb/include/lldb/Core/StreamFile.h
index e71e31eb1d040..dba4042b6ec99 100644
--- a/lldb/include/lldb/Core/StreamFile.h
+++ b/lldb/include/lldb/Core/StreamFile.h
@@ -14,8 +14,8 @@
#include "lldb/lldb-defines.h"
#include "lldb/lldb-enumerations.h"
-#include <stdint.h>
-#include <stdio.h>
+#include <cstdint>
+#include <cstdio>
namespace lldb_private {
diff --git a/lldb/include/lldb/Core/UserSettingsController.h b/lldb/include/lldb/Core/UserSettingsController.h
index f40ad54ac4d61..8fcd95be0f446 100644
--- a/lldb/include/lldb/Core/UserSettingsController.h
+++ b/lldb/include/lldb/Core/UserSettingsController.h
@@ -17,8 +17,8 @@
#include <vector>
-#include <stddef.h>
-#include <stdint.h>
+#include <cstddef>
+#include <cstdint>
namespace lldb_private {
class CommandInterpreter;
diff --git a/lldb/include/lldb/Core/Value.h b/lldb/include/lldb/Core/Value.h
index bc0cbeae51cf6..dced9938ca545 100644
--- a/lldb/include/lldb/Core/Value.h
+++ b/lldb/include/lldb/Core/Value.h
@@ -21,8 +21,8 @@
#include <vector>
-#include <stdint.h>
-#include <string.h>
+#include <cstdint>
+#include <cstring>
namespace lldb_private {
class DataExtractor;
diff --git a/lldb/include/lldb/Core/ValueObject.h b/lldb/include/lldb/Core/ValueObject.h
index ab3a908eac49d..caad9612909e7 100644
--- a/lldb/include/lldb/Core/ValueObject.h
+++ b/lldb/include/lldb/Core/ValueObject.h
@@ -37,8 +37,8 @@
#include <string>
#include <utility>
-#include <stddef.h>
-#include <stdint.h>
+#include <cstddef>
+#include <cstdint>
namespace lldb_private {
class Declaration;
diff --git a/lldb/include/lldb/Core/ValueObjectCast.h b/lldb/include/lldb/Core/ValueObjectCast.h
index 8205c6f96d2e5..84cf13353aee0 100644
--- a/lldb/include/lldb/Core/ValueObjectCast.h
+++ b/lldb/include/lldb/Core/ValueObjectCast.h
@@ -15,8 +15,8 @@
#include "lldb/lldb-enumerations.h"
#include "lldb/lldb-forward.h"
-#include <stddef.h>
-#include <stdint.h>
+#include <cstddef>
+#include <cstdint>
namespace lldb_private {
class ConstString;
diff --git a/lldb/include/lldb/Core/ValueObjectChild.h b/lldb/include/lldb/Core/ValueObjectChild.h
index 437d81ac3306f..8a7a7f17bc762 100644
--- a/lldb/include/lldb/Core/ValueObjectChild.h
+++ b/lldb/include/lldb/Core/ValueObjectChild.h
@@ -20,8 +20,8 @@
#include "llvm/ADT/Optional.h"
-#include <stddef.h>
-#include <stdint.h>
+#include <cstddef>
+#include <cstdint>
namespace lldb_private {
diff --git a/lldb/include/lldb/Core/ValueObjectConstResult.h b/lldb/include/lldb/Core/ValueObjectConstResult.h
index 843eb962ebde1..58cda6fd61961 100644
--- a/lldb/include/lldb/Core/ValueObjectConstResult.h
+++ b/lldb/include/lldb/Core/ValueObjectConstResult.h
@@ -21,8 +21,8 @@
#include "lldb/lldb-private-enumerations.h"
#include "lldb/lldb-types.h"
-#include <stddef.h>
-#include <stdint.h>
+#include <cstddef>
+#include <cstdint>
namespace lldb_private {
class DataExtractor;
diff --git a/lldb/include/lldb/Core/ValueObjectConstResultCast.h b/lldb/include/lldb/Core/ValueObjectConstResultCast.h
index ba81785866c3e..5467ce3db403f 100644
--- a/lldb/include/lldb/Core/ValueObjectConstResultCast.h
+++ b/lldb/include/lldb/Core/ValueObjectConstResultCast.h
@@ -17,8 +17,8 @@
#include "lldb/lldb-forward.h"
#include "lldb/lldb-types.h"
-#include <stddef.h>
-#include <stdint.h>
+#include <cstddef>
+#include <cstdint>
namespace lldb_private {
class DataExtractor;
diff --git a/lldb/include/lldb/Core/ValueObjectConstResultChild.h b/lldb/include/lldb/Core/ValueObjectConstResultChild.h
index b3606bfde0efd..26bd9f337a595 100644
--- a/lldb/include/lldb/Core/ValueObjectConstResultChild.h
+++ b/lldb/include/lldb/Core/ValueObjectConstResultChild.h
@@ -17,8 +17,8 @@
#include "lldb/lldb-forward.h"
#include "lldb/lldb-types.h"
-#include <stddef.h>
-#include <stdint.h>
+#include <cstddef>
+#include <cstdint>
namespace lldb_private {
class DataExtractor;
diff --git a/lldb/include/lldb/Core/ValueObjectConstResultImpl.h b/lldb/include/lldb/Core/ValueObjectConstResultImpl.h
index 757684d159c34..2536c51fa5744 100644
--- a/lldb/include/lldb/Core/ValueObjectConstResultImpl.h
+++ b/lldb/include/lldb/Core/ValueObjectConstResultImpl.h
@@ -15,8 +15,8 @@
#include "lldb/lldb-private-enumerations.h"
#include "lldb/lldb-types.h"
-#include <stddef.h>
-#include <stdint.h>
+#include <cstddef>
+#include <cstdint>
namespace lldb_private {
class CompilerType;
class DataExtractor;
diff --git a/lldb/include/lldb/Core/ValueObjectDynamicValue.h b/lldb/include/lldb/Core/ValueObjectDynamicValue.h
index 7e6af70e58168..8822a1d392499 100644
--- a/lldb/include/lldb/Core/ValueObjectDynamicValue.h
+++ b/lldb/include/lldb/Core/ValueObjectDynamicValue.h
@@ -19,9 +19,9 @@
#include "lldb/lldb-forward.h"
#include "lldb/lldb-private-enumerations.h"
-#include <assert.h>
-#include <stddef.h>
-#include <stdint.h>
+#include <cassert>
+#include <cstddef>
+#include <cstdint>
namespace lldb_private {
class DataExtractor;
diff --git a/lldb/include/lldb/Core/ValueObjectList.h b/lldb/include/lldb/Core/ValueObjectList.h
index 9bfccff0771ca..fcb358e21a26b 100644
--- a/lldb/include/lldb/Core/ValueObjectList.h
+++ b/lldb/include/lldb/Core/ValueObjectList.h
@@ -14,7 +14,7 @@
#include <vector>
-#include <stddef.h>
+#include <cstddef>
namespace lldb_private {
class ValueObject;
diff --git a/lldb/include/lldb/Core/ValueObjectMemory.h b/lldb/include/lldb/Core/ValueObjectMemory.h
index 1ce9e501a0c0b..83671a794b5f6 100644
--- a/lldb/include/lldb/Core/ValueObjectMemory.h
+++ b/lldb/include/lldb/Core/ValueObjectMemory.h
@@ -18,8 +18,8 @@
#include "lldb/lldb-forward.h"
#include "llvm/ADT/StringRef.h"
-#include <stddef.h>
-#include <stdint.h>
+#include <cstddef>
+#include <cstdint>
namespace lldb_private {
class ExecutionContextScope;
diff --git a/lldb/include/lldb/Core/ValueObjectRegister.h b/lldb/include/lldb/Core/ValueObjectRegister.h
index 3968584ad5185..e210b36d2a45b 100644
--- a/lldb/include/lldb/Core/ValueObjectRegister.h
+++ b/lldb/include/lldb/Core/ValueObjectRegister.h
@@ -18,8 +18,8 @@
#include "lldb/lldb-forward.h"
#include "lldb/lldb-private-types.h"
-#include <stddef.h>
-#include <stdint.h>
+#include <cstddef>
+#include <cstdint>
namespace lldb_private {
class DataExtractor;
diff --git a/lldb/include/lldb/Core/ValueObjectSyntheticFilter.h b/lldb/include/lldb/Core/ValueObjectSyntheticFilter.h
index a4148a217209a..f7a233047cc19 100644
--- a/lldb/include/lldb/Core/ValueObjectSyntheticFilter.h
+++ b/lldb/include/lldb/Core/ValueObjectSyntheticFilter.h
@@ -20,7 +20,7 @@
#include <cstdint>
#include <memory>
-#include <stddef.h>
+#include <cstddef>
namespace lldb_private {
class Declaration;
diff --git a/lldb/include/lldb/Core/ValueObjectVariable.h b/lldb/include/lldb/Core/ValueObjectVariable.h
index 95955d60009be..cbf7e5b52cedf 100644
--- a/lldb/include/lldb/Core/ValueObjectVariable.h
+++ b/lldb/include/lldb/Core/ValueObjectVariable.h
@@ -18,8 +18,8 @@
#include "lldb/lldb-enumerations.h"
#include "lldb/lldb-forward.h"
-#include <stddef.h>
-#include <stdint.h>
+#include <cstddef>
+#include <cstdint>
namespace lldb_private {
class DataExtractor;
diff --git a/lldb/include/lldb/Core/dwarf.h b/lldb/include/lldb/Core/dwarf.h
index cd9cf249bc634..bdb6f27a45214 100644
--- a/lldb/include/lldb/Core/dwarf.h
+++ b/lldb/include/lldb/Core/dwarf.h
@@ -10,7 +10,7 @@
#define LLDB_CORE_DWARF_H
#include "lldb/Utility/RangeMap.h"
-#include <stdint.h>
+#include <cstdint>
// Get the DWARF constant definitions from llvm
#include "llvm/BinaryFormat/Dwarf.h"
diff --git a/lldb/include/lldb/DataFormatters/TypeSummary.h b/lldb/include/lldb/DataFormatters/TypeSummary.h
index ce3195dbb6933..48480d1d7e456 100644
--- a/lldb/include/lldb/DataFormatters/TypeSummary.h
+++ b/lldb/include/lldb/DataFormatters/TypeSummary.h
@@ -9,7 +9,7 @@
#ifndef LLDB_DATAFORMATTERS_TYPESUMMARY_H
#define LLDB_DATAFORMATTERS_TYPESUMMARY_H
-#include <stdint.h>
+#include <cstdint>
#include <functional>
#include <memory>
diff --git a/lldb/include/lldb/DataFormatters/TypeSynthetic.h b/lldb/include/lldb/DataFormatters/TypeSynthetic.h
index fa1458281f1ef..ea49e48a2d626 100644
--- a/lldb/include/lldb/DataFormatters/TypeSynthetic.h
+++ b/lldb/include/lldb/DataFormatters/TypeSynthetic.h
@@ -9,7 +9,7 @@
#ifndef LLDB_DATAFORMATTERS_TYPESYNTHETIC_H
#define LLDB_DATAFORMATTERS_TYPESYNTHETIC_H
-#include <stdint.h>
+#include <cstdint>
#include <functional>
#include <initializer_list>
diff --git a/lldb/include/lldb/Host/File.h b/lldb/include/lldb/Host/File.h
index d205a3fe6911b..28d5d9d09ca5e 100644
--- a/lldb/include/lldb/Host/File.h
+++ b/lldb/include/lldb/Host/File.h
@@ -15,9 +15,9 @@
#include "lldb/lldb-private.h"
#include "llvm/ADT/BitmaskEnum.h"
+#include <cstdarg>
+#include <cstdio>
#include <mutex>
-#include <stdarg.h>
-#include <stdio.h>
#include <sys/types.h>
namespace lldb_private {
diff --git a/lldb/include/lldb/Host/FileCache.h b/lldb/include/lldb/Host/FileCache.h
index df0d9a88c6df9..52baa643c091a 100644
--- a/lldb/include/lldb/Host/FileCache.h
+++ b/lldb/include/lldb/Host/FileCache.h
@@ -8,8 +8,8 @@
#ifndef LLDB_HOST_FILECACHE_H
#define LLDB_HOST_FILECACHE_H
+#include <cstdint>
#include <map>
-#include <stdint.h>
#include "lldb/lldb-forward.h"
#include "lldb/lldb-types.h"
diff --git a/lldb/include/lldb/Host/FileSystem.h b/lldb/include/lldb/Host/FileSystem.h
index 02ff5f3013363..02eba47772a47 100644
--- a/lldb/include/lldb/Host/FileSystem.h
+++ b/lldb/include/lldb/Host/FileSystem.h
@@ -21,8 +21,8 @@
#include "lldb/lldb-types.h"
-#include <stdint.h>
-#include <stdio.h>
+#include <cstdint>
+#include <cstdio>
#include <sys/stat.h>
namespace lldb_private {
diff --git a/lldb/include/lldb/Host/Host.h b/lldb/include/lldb/Host/Host.h
index 76792cc6eab56..1fdf7eab7eb88 100644
--- a/lldb/include/lldb/Host/Host.h
+++ b/lldb/include/lldb/Host/Host.h
@@ -17,8 +17,8 @@
#include "lldb/lldb-private-forward.h"
#include "lldb/lldb-private.h"
#include <cerrno>
+#include <cstdarg>
#include <map>
-#include <stdarg.h>
#include <string>
#include <type_traits>
diff --git a/lldb/include/lldb/Host/HostInfoBase.h b/lldb/include/lldb/Host/HostInfoBase.h
index b4fbd88c93044..f5c84ac6b7c65 100644
--- a/lldb/include/lldb/Host/HostInfoBase.h
+++ b/lldb/include/lldb/Host/HostInfoBase.h
@@ -17,7 +17,7 @@
#include "lldb/lldb-enumerations.h"
#include "llvm/ADT/StringRef.h"
-#include <stdint.h>
+#include <cstdint>
#include <string>
diff --git a/lldb/include/lldb/Host/ProcessRunLock.h b/lldb/include/lldb/Host/ProcessRunLock.h
index 43463d144de3d..56c8d91518908 100644
--- a/lldb/include/lldb/Host/ProcessRunLock.h
+++ b/lldb/include/lldb/Host/ProcessRunLock.h
@@ -9,8 +9,8 @@
#ifndef LLDB_HOST_PROCESSRUNLOCK_H
#define LLDB_HOST_PROCESSRUNLOCK_H
-#include <stdint.h>
-#include <time.h>
+#include <cstdint>
+#include <ctime>
#include "lldb/lldb-defines.h"
diff --git a/lldb/include/lldb/Host/SocketAddress.h b/lldb/include/lldb/Host/SocketAddress.h
index 862e1104a084d..c88cc12606544 100644
--- a/lldb/include/lldb/Host/SocketAddress.h
+++ b/lldb/include/lldb/Host/SocketAddress.h
@@ -9,7 +9,7 @@
#ifndef LLDB_HOST_SOCKETADDRESS_H
#define LLDB_HOST_SOCKETADDRESS_H
-#include <stdint.h>
+#include <cstdint>
#ifdef _WIN32
#include "lldb/Host/windows/windows.h"
diff --git a/lldb/include/lldb/Host/StringConvert.h b/lldb/include/lldb/Host/StringConvert.h
index ad629ff304292..33608a85ff42c 100644
--- a/lldb/include/lldb/Host/StringConvert.h
+++ b/lldb/include/lldb/Host/StringConvert.h
@@ -9,9 +9,7 @@
#ifndef LLDB_HOST_STRINGCONVERT_H
#define LLDB_HOST_STRINGCONVERT_H
-#include <stdint.h>
-
-
+#include <cstdint>
namespace lldb_private {
diff --git a/lldb/include/lldb/Host/Time.h b/lldb/include/lldb/Host/Time.h
index 83b76ec0f9d10..aee4c43247c5a 100644
--- a/lldb/include/lldb/Host/Time.h
+++ b/lldb/include/lldb/Host/Time.h
@@ -19,7 +19,7 @@
#include <time64.h>
extern time_t timegm(struct tm *t);
#else
-#include <time.h>
+#include <ctime>
#endif
#endif // LLDB_HOST_TIME_H
diff --git a/lldb/include/lldb/Host/windows/PosixApi.h b/lldb/include/lldb/Host/windows/PosixApi.h
index aee7394b03e3c..26398ac5eb115 100644
--- a/lldb/include/lldb/Host/windows/PosixApi.h
+++ b/lldb/include/lldb/Host/windows/PosixApi.h
@@ -16,10 +16,10 @@
#endif
// va_start, va_end, etc macros.
-#include <stdarg.h>
+#include <cstdarg>
// time_t, timespec, etc.
-#include <time.h>
+#include <ctime>
#ifndef PATH_MAX
#define PATH_MAX 32768
@@ -68,7 +68,7 @@
#ifdef _MSC_VER
// PRIxxx format macros for printf()
-#include <inttypes.h>
+#include <cinttypes>
// open(), close(), creat(), etc.
#include <io.h>
diff --git a/lldb/include/lldb/Symbol/LocateSymbolFile.h b/lldb/include/lldb/Symbol/LocateSymbolFile.h
index 93b76e53f41f1..2c3f6a7b7b595 100644
--- a/lldb/include/lldb/Symbol/LocateSymbolFile.h
+++ b/lldb/include/lldb/Symbol/LocateSymbolFile.h
@@ -9,7 +9,7 @@
#ifndef LLDB_SYMBOL_LOCATESYMBOLFILE_H
#define LLDB_SYMBOL_LOCATESYMBOLFILE_H
-#include <stdint.h>
+#include <cstdint>
#include "lldb/Core/FileSpecList.h"
#include "lldb/Utility/FileSpec.h"
diff --git a/lldb/include/lldb/Target/DynamicLoader.h b/lldb/include/lldb/Target/DynamicLoader.h
index 1e4038bb208e9..a904fac0c7790 100644
--- a/lldb/include/lldb/Target/DynamicLoader.h
+++ b/lldb/include/lldb/Target/DynamicLoader.h
@@ -18,8 +18,8 @@
#include "lldb/lldb-private-enumerations.h"
#include "lldb/lldb-types.h"
-#include <stddef.h>
-#include <stdint.h>
+#include <cstddef>
+#include <cstdint>
namespace lldb_private {
class ModuleList;
class Process;
diff --git a/lldb/include/lldb/Target/Process.h b/lldb/include/lldb/Target/Process.h
index 0a2a6f6dfb5b8..f6a5386fe511a 100644
--- a/lldb/include/lldb/Target/Process.h
+++ b/lldb/include/lldb/Target/Process.h
@@ -11,7 +11,7 @@
#include "lldb/Host/Config.h"
-#include <limits.h>
+#include <climits>
#include <chrono>
#include <list>
diff --git a/lldb/include/lldb/Utility/Connection.h b/lldb/include/lldb/Utility/Connection.h
index 39e6e40191b04..0b587b81c999d 100644
--- a/lldb/include/lldb/Utility/Connection.h
+++ b/lldb/include/lldb/Utility/Connection.h
@@ -18,7 +18,7 @@
#include <ratio>
#include <string>
-#include <stddef.h>
+#include <cstddef>
namespace lldb_private {
class Status;
diff --git a/lldb/include/lldb/Utility/ConstString.h b/lldb/include/lldb/Utility/ConstString.h
index 8a67faf5b54a4..52d3556418f6c 100644
--- a/lldb/include/lldb/Utility/ConstString.h
+++ b/lldb/include/lldb/Utility/ConstString.h
@@ -14,7 +14,7 @@
#include "llvm/Support/FormatVariadic.h"
#include "llvm/Support/YAMLTraits.h"
-#include <stddef.h>
+#include <cstddef>
namespace lldb_private {
class Stream;
diff --git a/lldb/include/lldb/Utility/DataBuffer.h b/lldb/include/lldb/Utility/DataBuffer.h
index 302b13307958d..b82e6f8fea707 100644
--- a/lldb/include/lldb/Utility/DataBuffer.h
+++ b/lldb/include/lldb/Utility/DataBuffer.h
@@ -10,8 +10,8 @@
#define LLDB_UTILITY_DATABUFFER_H
#if defined(__cplusplus)
-#include <stdint.h>
-#include <string.h>
+#include <cstdint>
+#include <cstring>
#include "lldb/lldb-types.h"
diff --git a/lldb/include/lldb/Utility/DataBufferLLVM.h b/lldb/include/lldb/Utility/DataBufferLLVM.h
index 4dc800c348c57..abb1bb40d534a 100644
--- a/lldb/include/lldb/Utility/DataBufferLLVM.h
+++ b/lldb/include/lldb/Utility/DataBufferLLVM.h
@@ -12,8 +12,8 @@
#include "lldb/Utility/DataBuffer.h"
#include "lldb/lldb-types.h"
+#include <cstdint>
#include <memory>
-#include <stdint.h>
namespace llvm {
class WritableMemoryBuffer;
diff --git a/lldb/include/lldb/Utility/DataEncoder.h b/lldb/include/lldb/Utility/DataEncoder.h
index 8edec54c36f55..64e75f9043406 100644
--- a/lldb/include/lldb/Utility/DataEncoder.h
+++ b/lldb/include/lldb/Utility/DataEncoder.h
@@ -16,8 +16,8 @@
#include "lldb/lldb-forward.h"
#include "lldb/lldb-types.h"
-#include <stddef.h>
-#include <stdint.h>
+#include <cstddef>
+#include <cstdint>
namespace lldb_private {
diff --git a/lldb/include/lldb/Utility/DataExtractor.h b/lldb/include/lldb/Utility/DataExtractor.h
index 0210af5cf6d18..d4d9200e9bcd4 100644
--- a/lldb/include/lldb/Utility/DataExtractor.h
+++ b/lldb/include/lldb/Utility/DataExtractor.h
@@ -19,8 +19,8 @@
#include "llvm/Support/SwapByteOrder.h"
#include <cassert>
-#include <stdint.h>
-#include <string.h>
+#include <cstdint>
+#include <cstring>
namespace lldb_private {
class Log;
diff --git a/lldb/include/lldb/Utility/Endian.h b/lldb/include/lldb/Utility/Endian.h
index 1d1f8fa333b8d..7822dfa766dcc 100644
--- a/lldb/include/lldb/Utility/Endian.h
+++ b/lldb/include/lldb/Utility/Endian.h
@@ -11,7 +11,7 @@
#include "lldb/lldb-enumerations.h"
-#include <stdint.h>
+#include <cstdint>
namespace lldb_private {
diff --git a/lldb/include/lldb/Utility/Event.h b/lldb/include/lldb/Utility/Event.h
index 06c02629d4482..27a0874729f6a 100644
--- a/lldb/include/lldb/Utility/Event.h
+++ b/lldb/include/lldb/Utility/Event.h
@@ -22,8 +22,8 @@
#include <memory>
#include <string>
-#include <stddef.h>
-#include <stdint.h>
+#include <cstddef>
+#include <cstdint>
namespace lldb_private {
class Event;
diff --git a/lldb/include/lldb/Utility/FileSpec.h b/lldb/include/lldb/Utility/FileSpec.h
index ef768089c3037..0f4e6505e4337 100644
--- a/lldb/include/lldb/Utility/FileSpec.h
+++ b/lldb/include/lldb/Utility/FileSpec.h
@@ -20,8 +20,8 @@
#include "llvm/Support/Path.h"
#include "llvm/Support/YAMLTraits.h"
-#include <stddef.h>
-#include <stdint.h>
+#include <cstddef>
+#include <cstdint>
namespace lldb_private {
class Stream;
diff --git a/lldb/include/lldb/Utility/GDBRemote.h b/lldb/include/lldb/Utility/GDBRemote.h
index 2ee706efbea23..f76085927aaad 100644
--- a/lldb/include/lldb/Utility/GDBRemote.h
+++ b/lldb/include/lldb/Utility/GDBRemote.h
@@ -17,8 +17,8 @@
#include "llvm/Support/YAMLTraits.h"
#include "llvm/Support/raw_ostream.h"
-#include <stddef.h>
-#include <stdint.h>
+#include <cstddef>
+#include <cstdint>
#include <string>
#include <vector>
diff --git a/lldb/include/lldb/Utility/IOObject.h b/lldb/include/lldb/Utility/IOObject.h
index 9b2b9cfcfec0f..8cf42992e7be5 100644
--- a/lldb/include/lldb/Utility/IOObject.h
+++ b/lldb/include/lldb/Utility/IOObject.h
@@ -9,8 +9,8 @@
#ifndef LLDB_UTILITY_IOOBJECT_H
#define LLDB_UTILITY_IOOBJECT_H
-#include <stdarg.h>
-#include <stdio.h>
+#include <cstdarg>
+#include <cstdio>
#include <sys/types.h>
#include "lldb/lldb-private.h"
diff --git a/lldb/include/lldb/Utility/Listener.h b/lldb/include/lldb/Utility/Listener.h
index 9d96e36c5abc0..d70e778c94803 100644
--- a/lldb/include/lldb/Utility/Listener.h
+++ b/lldb/include/lldb/Utility/Listener.h
@@ -23,8 +23,8 @@
#include <string>
#include <vector>
-#include <stddef.h>
-#include <stdint.h>
+#include <cstddef>
+#include <cstdint>
namespace lldb_private {
class ConstString;
diff --git a/lldb/include/lldb/Utility/Predicate.h b/lldb/include/lldb/Utility/Predicate.h
index a17ac05f6e56d..af16abc1a1d30 100644
--- a/lldb/include/lldb/Utility/Predicate.h
+++ b/lldb/include/lldb/Utility/Predicate.h
@@ -9,8 +9,8 @@
#ifndef LLDB_UTILITY_PREDICATE_H
#define LLDB_UTILITY_PREDICATE_H
-#include <stdint.h>
-#include <time.h>
+#include <cstdint>
+#include <ctime>
#include <condition_variable>
#include <mutex>
diff --git a/lldb/include/lldb/Utility/Status.h b/lldb/include/lldb/Utility/Status.h
index 9babad18edc0b..b5f90bea2eebb 100644
--- a/lldb/include/lldb/Utility/Status.h
+++ b/lldb/include/lldb/Utility/Status.h
@@ -15,7 +15,7 @@
#include "llvm/Support/Error.h"
#include "llvm/Support/FormatVariadic.h"
#include <cstdarg>
-#include <stdint.h>
+#include <cstdint>
#include <string>
#include <system_error>
#include <type_traits>
diff --git a/lldb/include/lldb/Utility/Stream.h b/lldb/include/lldb/Utility/Stream.h
index e7f065a1fc7bd..a5422f5f4c2aa 100644
--- a/lldb/include/lldb/Utility/Stream.h
+++ b/lldb/include/lldb/Utility/Stream.h
@@ -16,9 +16,9 @@
#include "llvm/Support/FormatVariadic.h"
#include "llvm/Support/raw_ostream.h"
-#include <stdarg.h>
-#include <stddef.h>
-#include <stdint.h>
+#include <cstdarg>
+#include <cstddef>
+#include <cstdint>
#include <type_traits>
namespace lldb_private {
diff --git a/lldb/include/lldb/Utility/StreamCallback.h b/lldb/include/lldb/Utility/StreamCallback.h
index d6d74fb847994..d234cbea85c61 100644
--- a/lldb/include/lldb/Utility/StreamCallback.h
+++ b/lldb/include/lldb/Utility/StreamCallback.h
@@ -12,8 +12,8 @@
#include "lldb/lldb-types.h"
#include "llvm/Support/raw_ostream.h"
-#include <stddef.h>
-#include <stdint.h>
+#include <cstddef>
+#include <cstdint>
namespace lldb_private {
diff --git a/lldb/include/lldb/Utility/StreamString.h b/lldb/include/lldb/Utility/StreamString.h
index b0be0f7dd76a6..4c568acdcc6f6 100644
--- a/lldb/include/lldb/Utility/StreamString.h
+++ b/lldb/include/lldb/Utility/StreamString.h
@@ -15,8 +15,8 @@
#include <string>
-#include <stddef.h>
-#include <stdint.h>
+#include <cstddef>
+#include <cstdint>
namespace lldb_private {
diff --git a/lldb/include/lldb/Utility/StreamTee.h b/lldb/include/lldb/Utility/StreamTee.h
index 2995bc07f42ac..cf410cb968428 100644
--- a/lldb/include/lldb/Utility/StreamTee.h
+++ b/lldb/include/lldb/Utility/StreamTee.h
@@ -9,7 +9,7 @@
#ifndef LLDB_UTILITY_STREAMTEE_H
#define LLDB_UTILITY_STREAMTEE_H
-#include <limits.h>
+#include <climits>
#include <mutex>
diff --git a/lldb/include/lldb/Utility/StringExtractor.h b/lldb/include/lldb/Utility/StringExtractor.h
index 6a5bb24779a46..996e59e84ec49 100644
--- a/lldb/include/lldb/Utility/StringExtractor.h
+++ b/lldb/include/lldb/Utility/StringExtractor.h
@@ -12,8 +12,8 @@
#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/StringRef.h"
-#include <stddef.h>
-#include <stdint.h>
+#include <cstddef>
+#include <cstdint>
#include <string>
class StringExtractor {
diff --git a/lldb/include/lldb/Utility/StringExtractorGDBRemote.h b/lldb/include/lldb/Utility/StringExtractorGDBRemote.h
index da73708b91d11..bf99593249b2d 100644
--- a/lldb/include/lldb/Utility/StringExtractorGDBRemote.h
+++ b/lldb/include/lldb/Utility/StringExtractorGDBRemote.h
@@ -15,8 +15,8 @@
#include <string>
-#include <stddef.h>
-#include <stdint.h>
+#include <cstddef>
+#include <cstdint>
class StringExtractorGDBRemote : public StringExtractor {
public:
diff --git a/lldb/include/lldb/Utility/StringList.h b/lldb/include/lldb/Utility/StringList.h
index 34930abeac3c1..70f4654a6ac90 100644
--- a/lldb/include/lldb/Utility/StringList.h
+++ b/lldb/include/lldb/Utility/StringList.h
@@ -11,7 +11,7 @@
#include "llvm/ADT/StringRef.h"
-#include <stddef.h>
+#include <cstddef>
#include <string>
#include <vector>
diff --git a/lldb/include/lldb/Utility/Timer.h b/lldb/include/lldb/Utility/Timer.h
index 0249c697b8ed5..2b39881de89ec 100644
--- a/lldb/include/lldb/Utility/Timer.h
+++ b/lldb/include/lldb/Utility/Timer.h
@@ -12,7 +12,7 @@
#include "lldb/lldb-defines.h"
#include "llvm/Support/Chrono.h"
#include <atomic>
-#include <stdint.h>
+#include <cstdint>
namespace lldb_private {
class Stream;
diff --git a/lldb/include/lldb/Utility/UUID.h b/lldb/include/lldb/Utility/UUID.h
index f2107d9b135ba..1c7c04758da02 100644
--- a/lldb/include/lldb/Utility/UUID.h
+++ b/lldb/include/lldb/Utility/UUID.h
@@ -12,8 +12,8 @@
#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/Support/Endian.h"
-#include <stddef.h>
-#include <stdint.h>
+#include <cstddef>
+#include <cstdint>
#include <string>
namespace lldb_private {
diff --git a/lldb/include/lldb/Utility/VMRange.h b/lldb/include/lldb/Utility/VMRange.h
index 4b01cd86da2c3..d1dfa3adb0c35 100644
--- a/lldb/include/lldb/Utility/VMRange.h
+++ b/lldb/include/lldb/Utility/VMRange.h
@@ -12,8 +12,8 @@
#include "lldb/lldb-types.h"
#include "llvm/Support/raw_ostream.h"
-#include <stddef.h>
-#include <stdint.h>
+#include <cstddef>
+#include <cstdint>
#include <vector>
namespace lldb_private {
diff --git a/lldb/include/lldb/lldb-types.h b/lldb/include/lldb/lldb-types.h
index c3e2f07acc45d..976da35b11dd5 100644
--- a/lldb/include/lldb/lldb-types.h
+++ b/lldb/include/lldb/lldb-types.h
@@ -12,7 +12,7 @@
#include "lldb/lldb-enumerations.h"
#include "lldb/lldb-forward.h"
-#include <stdint.h>
+#include <cstdint>
// All host systems must define:
// lldb::thread_t The native thread type for spawned threads on the
diff --git a/lldb/source/API/SBDeclaration.cpp b/lldb/source/API/SBDeclaration.cpp
index 2748190f2e810..1496096e46d1e 100644
--- a/lldb/source/API/SBDeclaration.cpp
+++ b/lldb/source/API/SBDeclaration.cpp
@@ -14,7 +14,7 @@
#include "lldb/Host/PosixApi.h"
#include "lldb/Utility/Stream.h"
-#include <limits.h>
+#include <climits>
using namespace lldb;
using namespace lldb_private;
diff --git a/lldb/source/API/SBError.cpp b/lldb/source/API/SBError.cpp
index f979572778e07..89b5f26fd80cb 100644
--- a/lldb/source/API/SBError.cpp
+++ b/lldb/source/API/SBError.cpp
@@ -12,7 +12,7 @@
#include "lldb/API/SBStream.h"
#include "lldb/Utility/Status.h"
-#include <stdarg.h>
+#include <cstdarg>
using namespace lldb;
using namespace lldb_private;
diff --git a/lldb/source/API/SBFileSpec.cpp b/lldb/source/API/SBFileSpec.cpp
index 7bfb665df4fba..0a6b63bb460c7 100644
--- a/lldb/source/API/SBFileSpec.cpp
+++ b/lldb/source/API/SBFileSpec.cpp
@@ -17,8 +17,8 @@
#include "llvm/ADT/SmallString.h"
-#include <inttypes.h>
-#include <limits.h>
+#include <cinttypes>
+#include <climits>
using namespace lldb;
using namespace lldb_private;
diff --git a/lldb/source/API/SBFileSpecList.cpp b/lldb/source/API/SBFileSpecList.cpp
index 7afa343632719..768ff0affd15a 100644
--- a/lldb/source/API/SBFileSpecList.cpp
+++ b/lldb/source/API/SBFileSpecList.cpp
@@ -16,7 +16,7 @@
#include "lldb/Utility/FileSpec.h"
#include "lldb/Utility/Stream.h"
-#include <limits.h>
+#include <climits>
using namespace lldb;
using namespace lldb_private;
diff --git a/lldb/source/API/SBLineEntry.cpp b/lldb/source/API/SBLineEntry.cpp
index 9866acbcbec35..29ffda9b04719 100644
--- a/lldb/source/API/SBLineEntry.cpp
+++ b/lldb/source/API/SBLineEntry.cpp
@@ -14,7 +14,7 @@
#include "lldb/Symbol/LineEntry.h"
#include "lldb/Utility/StreamString.h"
-#include <limits.h>
+#include <climits>
using namespace lldb;
using namespace lldb_private;
diff --git a/lldb/source/API/SBProcess.cpp b/lldb/source/API/SBProcess.cpp
index d7b7fd7cacadf..be20e8f0e43a9 100644
--- a/lldb/source/API/SBProcess.cpp
+++ b/lldb/source/API/SBProcess.cpp
@@ -9,7 +9,7 @@
#include "lldb/API/SBProcess.h"
#include "SBReproducerPrivate.h"
-#include <inttypes.h>
+#include <cinttypes>
#include "lldb/lldb-defines.h"
#include "lldb/lldb-types.h"
diff --git a/lldb/source/API/SBQueue.cpp b/lldb/source/API/SBQueue.cpp
index 2e6571392ea16..75674dbc00bb0 100644
--- a/lldb/source/API/SBQueue.cpp
+++ b/lldb/source/API/SBQueue.cpp
@@ -6,7 +6,7 @@
//
//===----------------------------------------------------------------------===//
-#include <inttypes.h>
+#include <cinttypes>
#include "SBReproducerPrivate.h"
#include "lldb/API/SBQueue.h"
diff --git a/lldb/source/Breakpoint/BreakpointID.cpp b/lldb/source/Breakpoint/BreakpointID.cpp
index a37abcfa52aba..f205721440687 100644
--- a/lldb/source/Breakpoint/BreakpointID.cpp
+++ b/lldb/source/Breakpoint/BreakpointID.cpp
@@ -6,7 +6,7 @@
//
//===----------------------------------------------------------------------===//
-#include <stdio.h>
+#include <cstdio>
#include "lldb/Breakpoint/Breakpoint.h"
#include "lldb/Breakpoint/BreakpointID.h"
diff --git a/lldb/source/Breakpoint/BreakpointSite.cpp b/lldb/source/Breakpoint/BreakpointSite.cpp
index fb3f0cd068971..1a4c1a7ef0dce 100644
--- a/lldb/source/Breakpoint/BreakpointSite.cpp
+++ b/lldb/source/Breakpoint/BreakpointSite.cpp
@@ -6,7 +6,7 @@
//
//===----------------------------------------------------------------------===//
-#include <inttypes.h>
+#include <cinttypes>
#include "lldb/Breakpoint/BreakpointSite.h"
diff --git a/lldb/source/Core/Address.cpp b/lldb/source/Core/Address.cpp
index 6079d0e7a3367..f0c7e2b34f99c 100644
--- a/lldb/source/Core/Address.cpp
+++ b/lldb/source/Core/Address.cpp
@@ -43,9 +43,9 @@
#include <memory>
#include <vector>
-#include <assert.h>
-#include <inttypes.h>
-#include <string.h>
+#include <cassert>
+#include <cinttypes>
+#include <cstring>
namespace lldb_private {
class CompileUnit;
diff --git a/lldb/source/Core/AddressRange.cpp b/lldb/source/Core/AddressRange.cpp
index aeb99f857a787..7f3162a9f53d8 100644
--- a/lldb/source/Core/AddressRange.cpp
+++ b/lldb/source/Core/AddressRange.cpp
@@ -19,7 +19,7 @@
#include <memory>
-#include <inttypes.h>
+#include <cinttypes>
namespace lldb_private {
class SectionList;
diff --git a/lldb/source/Core/AddressResolverFileLine.cpp b/lldb/source/Core/AddressResolverFileLine.cpp
index 8137eb0c69707..635479291c502 100644
--- a/lldb/source/Core/AddressResolverFileLine.cpp
+++ b/lldb/source/Core/AddressResolverFileLine.cpp
@@ -21,7 +21,7 @@
#include "lldb/lldb-enumerations.h"
#include "lldb/lldb-types.h"
-#include <inttypes.h>
+#include <cinttypes>
#include <vector>
using namespace lldb;
diff --git a/lldb/source/Core/Communication.cpp b/lldb/source/Core/Communication.cpp
index b50cd0ecab5ce..5640e0510cf1c 100644
--- a/lldb/source/Core/Communication.cpp
+++ b/lldb/source/Core/Communication.cpp
@@ -27,9 +27,9 @@
#include <cstring>
#include <memory>
-#include <errno.h>
-#include <inttypes.h>
-#include <stdio.h>
+#include <cerrno>
+#include <cinttypes>
+#include <cstdio>
using namespace lldb;
using namespace lldb_private;
diff --git a/lldb/source/Core/Debugger.cpp b/lldb/source/Core/Debugger.cpp
index d3b2cc62b6767..735e6f43ac69f 100644
--- a/lldb/source/Core/Debugger.cpp
+++ b/lldb/source/Core/Debugger.cpp
@@ -64,13 +64,13 @@
#include "llvm/Support/Threading.h"
#include "llvm/Support/raw_ostream.h"
+#include <cstdio>
+#include <cstdlib>
+#include <cstring>
#include <list>
#include <memory>
#include <mutex>
#include <set>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
#include <string>
#include <system_error>
diff --git a/lldb/source/Core/Disassembler.cpp b/lldb/source/Core/Disassembler.cpp
index 60c41e1d00ed9..704b3df4b2ac8 100644
--- a/lldb/source/Core/Disassembler.cpp
+++ b/lldb/source/Core/Disassembler.cpp
@@ -48,7 +48,7 @@
#include <cstring>
#include <utility>
-#include <assert.h>
+#include <cassert>
#define DEFAULT_DISASM_BYTE_SIZE 32
diff --git a/lldb/source/Core/DumpDataExtractor.cpp b/lldb/source/Core/DumpDataExtractor.cpp
index 63e2cf2f2cc1e..66fcfbd43bd29 100644
--- a/lldb/source/Core/DumpDataExtractor.cpp
+++ b/lldb/source/Core/DumpDataExtractor.cpp
@@ -34,9 +34,9 @@
#include <memory>
#include <string>
-#include <assert.h>
-#include <ctype.h>
-#include <inttypes.h>
+#include <cassert>
+#include <cctype>
+#include <cinttypes>
#include <cmath>
#include <bitset>
diff --git a/lldb/source/Core/DynamicLoader.cpp b/lldb/source/Core/DynamicLoader.cpp
index 22cb9f18147ab..10d2b72070181 100644
--- a/lldb/source/Core/DynamicLoader.cpp
+++ b/lldb/source/Core/DynamicLoader.cpp
@@ -24,7 +24,7 @@
#include <memory>
-#include <assert.h>
+#include <cassert>
using namespace lldb;
using namespace lldb_private;
diff --git a/lldb/source/Core/EmulateInstruction.cpp b/lldb/source/Core/EmulateInstruction.cpp
index f7f56e9fc54ff..9b9111408209b 100644
--- a/lldb/source/Core/EmulateInstruction.cpp
+++ b/lldb/source/Core/EmulateInstruction.cpp
@@ -30,8 +30,8 @@
#include <cstring>
#include <memory>
-#include <inttypes.h>
-#include <stdio.h>
+#include <cinttypes>
+#include <cstdio>
namespace lldb_private {
class Target;
diff --git a/lldb/source/Core/FileSpecList.cpp b/lldb/source/Core/FileSpecList.cpp
index 3ada7b495fdb4..1a1cf284ea07c 100644
--- a/lldb/source/Core/FileSpecList.cpp
+++ b/lldb/source/Core/FileSpecList.cpp
@@ -13,7 +13,7 @@
#include <utility>
-#include <stdint.h>
+#include <cstdint>
using namespace lldb_private;
using namespace std;
diff --git a/lldb/source/Core/FormatEntity.cpp b/lldb/source/Core/FormatEntity.cpp
index 77b6b1682a9cd..6e6255b903bb5 100644
--- a/lldb/source/Core/FormatEntity.cpp
+++ b/lldb/source/Core/FormatEntity.cpp
@@ -59,12 +59,12 @@
#include "llvm/ADT/Triple.h"
#include "llvm/Support/Compiler.h"
-#include <ctype.h>
-#include <inttypes.h>
+#include <cctype>
+#include <cinttypes>
+#include <cstdio>
+#include <cstdlib>
+#include <cstring>
#include <memory>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
#include <type_traits>
#include <utility>
diff --git a/lldb/source/Core/IOHandler.cpp b/lldb/source/Core/IOHandler.cpp
index 22c39effce714..c6f05d43a2a70 100644
--- a/lldb/source/Core/IOHandler.cpp
+++ b/lldb/source/Core/IOHandler.cpp
@@ -38,13 +38,13 @@
#include <memory>
#include <mutex>
-#include <assert.h>
-#include <ctype.h>
-#include <errno.h>
-#include <locale.h>
-#include <stdint.h>
-#include <stdio.h>
-#include <string.h>
+#include <cassert>
+#include <cctype>
+#include <cerrno>
+#include <clocale>
+#include <cstdint>
+#include <cstdio>
+#include <cstring>
#include <type_traits>
using namespace lldb;
diff --git a/lldb/source/Core/IOHandlerCursesGUI.cpp b/lldb/source/Core/IOHandlerCursesGUI.cpp
index 1de83d896bf3b..112c257a62fff 100644
--- a/lldb/source/Core/IOHandlerCursesGUI.cpp
+++ b/lldb/source/Core/IOHandlerCursesGUI.cpp
@@ -64,13 +64,13 @@
#include <memory>
#include <mutex>
-#include <assert.h>
-#include <ctype.h>
-#include <errno.h>
-#include <locale.h>
-#include <stdint.h>
-#include <stdio.h>
-#include <string.h>
+#include <cassert>
+#include <cctype>
+#include <cerrno>
+#include <clocale>
+#include <cstdint>
+#include <cstdio>
+#include <cstring>
#include <type_traits>
using namespace lldb;
diff --git a/lldb/source/Core/Mangled.cpp b/lldb/source/Core/Mangled.cpp
index 627be94a303c6..3919cb440ab40 100644
--- a/lldb/source/Core/Mangled.cpp
+++ b/lldb/source/Core/Mangled.cpp
@@ -27,8 +27,8 @@
#include <string>
#include <utility>
-#include <stdlib.h>
-#include <string.h>
+#include <cstdlib>
+#include <cstring>
using namespace lldb_private;
static inline bool cstring_is_mangled(llvm::StringRef s) {
diff --git a/lldb/source/Core/Module.cpp b/lldb/source/Core/Module.cpp
index 50a1f8da911e1..117b0bfd5aae3 100644
--- a/lldb/source/Core/Module.cpp
+++ b/lldb/source/Core/Module.cpp
@@ -59,12 +59,12 @@
#include "llvm/Support/Signals.h"
#include "llvm/Support/raw_ostream.h"
-#include <assert.h>
+#include <cassert>
+#include <cinttypes>
+#include <cstdarg>
#include <cstdint>
-#include <inttypes.h>
+#include <cstring>
#include <map>
-#include <stdarg.h>
-#include <string.h>
#include <type_traits>
#include <utility>
diff --git a/lldb/source/Core/Opcode.cpp b/lldb/source/Core/Opcode.cpp
index b544064b061e3..a3fc97f95266d 100644
--- a/lldb/source/Core/Opcode.cpp
+++ b/lldb/source/Core/Opcode.cpp
@@ -16,7 +16,7 @@
#include <memory>
-#include <inttypes.h>
+#include <cinttypes>
using namespace lldb;
using namespace lldb_private;
diff --git a/lldb/source/Core/PluginManager.cpp b/lldb/source/Core/PluginManager.cpp
index a826e123459f9..a224ba173677b 100644
--- a/lldb/source/Core/PluginManager.cpp
+++ b/lldb/source/Core/PluginManager.cpp
@@ -20,7 +20,7 @@
#include "llvm/Support/DynamicLibrary.h"
#include "llvm/Support/FileSystem.h"
#include "llvm/Support/raw_ostream.h"
-#include <assert.h>
+#include <cassert>
#include <map>
#include <memory>
#include <mutex>
diff --git a/lldb/source/Core/SearchFilter.cpp b/lldb/source/Core/SearchFilter.cpp
index e3327ff5e7505..4f9519b5cc9a7 100644
--- a/lldb/source/Core/SearchFilter.cpp
+++ b/lldb/source/Core/SearchFilter.cpp
@@ -27,8 +27,8 @@
#include <mutex>
#include <string>
-#include <inttypes.h>
-#include <string.h>
+#include <cinttypes>
+#include <cstring>
namespace lldb_private {
class Address;
diff --git a/lldb/source/Core/Section.cpp b/lldb/source/Core/Section.cpp
index 9bf1c62c5ab89..a5a10141aa649 100644
--- a/lldb/source/Core/Section.cpp
+++ b/lldb/source/Core/Section.cpp
@@ -15,7 +15,7 @@
#include "lldb/Utility/FileSpec.h"
#include "lldb/Utility/VMRange.h"
-#include <inttypes.h>
+#include <cinttypes>
#include <limits>
#include <utility>
diff --git a/lldb/source/Core/SourceManager.cpp b/lldb/source/Core/SourceManager.cpp
index e79fcb48742d8..691bda6592e2e 100644
--- a/lldb/source/Core/SourceManager.cpp
+++ b/lldb/source/Core/SourceManager.cpp
@@ -35,8 +35,8 @@
#include <memory>
#include <utility>
-#include <assert.h>
-#include <stdio.h>
+#include <cassert>
+#include <cstdio>
namespace lldb_private {
class ExecutionContext;
diff --git a/lldb/source/Core/StreamFile.cpp b/lldb/source/Core/StreamFile.cpp
index 43a9df802f7e9..d736dfd48ebf3 100644
--- a/lldb/source/Core/StreamFile.cpp
+++ b/lldb/source/Core/StreamFile.cpp
@@ -10,7 +10,7 @@
#include "lldb/Host/FileSystem.h"
#include "lldb/Utility/Log.h"
-#include <stdio.h>
+#include <cstdio>
using namespace lldb;
using namespace lldb_private;
diff --git a/lldb/source/Core/Value.cpp b/lldb/source/Core/Value.cpp
index b5af03c0d001c..6ce01d893c640 100644
--- a/lldb/source/Core/Value.cpp
+++ b/lldb/source/Core/Value.cpp
@@ -33,7 +33,7 @@
#include <memory>
#include <string>
-#include <inttypes.h>
+#include <cinttypes>
using namespace lldb;
using namespace lldb_private;
diff --git a/lldb/source/Core/ValueObject.cpp b/lldb/source/Core/ValueObject.cpp
index 83c2098bede1f..a6020d285c831 100644
--- a/lldb/source/Core/ValueObject.cpp
+++ b/lldb/source/Core/ValueObject.cpp
@@ -57,10 +57,10 @@
#include <memory>
#include <tuple>
-#include <assert.h>
-#include <inttypes.h>
-#include <stdio.h>
-#include <string.h>
+#include <cassert>
+#include <cinttypes>
+#include <cstdio>
+#include <cstring>
#include <lldb/Core/ValueObject.h>
diff --git a/lldb/source/Core/ValueObjectChild.cpp b/lldb/source/Core/ValueObjectChild.cpp
index 60d1b2e8a841a..b26a0aa7e58bc 100644
--- a/lldb/source/Core/ValueObjectChild.cpp
+++ b/lldb/source/Core/ValueObjectChild.cpp
@@ -21,8 +21,8 @@
#include <memory>
#include <vector>
-#include <stdio.h>
-#include <string.h>
+#include <cstdio>
+#include <cstring>
using namespace lldb_private;
diff --git a/lldb/source/Core/ValueObjectDynamicValue.cpp b/lldb/source/Core/ValueObjectDynamicValue.cpp
index 1c25b8c85a059..d775094965094 100644
--- a/lldb/source/Core/ValueObjectDynamicValue.cpp
+++ b/lldb/source/Core/ValueObjectDynamicValue.cpp
@@ -22,7 +22,7 @@
#include "lldb/Utility/Status.h"
#include "lldb/lldb-types.h"
-#include <string.h>
+#include <cstring>
namespace lldb_private {
class Declaration;
}
diff --git a/lldb/source/Core/ValueObjectMemory.cpp b/lldb/source/Core/ValueObjectMemory.cpp
index e3f9668b49cfe..badc22e2cdcc8 100644
--- a/lldb/source/Core/ValueObjectMemory.cpp
+++ b/lldb/source/Core/ValueObjectMemory.cpp
@@ -18,7 +18,7 @@
#include "lldb/lldb-types.h"
#include "llvm/Support/ErrorHandling.h"
-#include <assert.h>
+#include <cassert>
#include <memory>
namespace lldb_private {
diff --git a/lldb/source/Core/ValueObjectRegister.cpp b/lldb/source/Core/ValueObjectRegister.cpp
index 1abba1a9aa627..38bbe26461d06 100644
--- a/lldb/source/Core/ValueObjectRegister.cpp
+++ b/lldb/source/Core/ValueObjectRegister.cpp
@@ -25,7 +25,7 @@
#include "llvm/ADT/StringRef.h"
-#include <assert.h>
+#include <cassert>
#include <memory>
namespace lldb_private {
diff --git a/lldb/source/Core/ValueObjectVariable.cpp b/lldb/source/Core/ValueObjectVariable.cpp
index 751b502d6b996..87e4db59d6ff8 100644
--- a/lldb/source/Core/ValueObjectVariable.cpp
+++ b/lldb/source/Core/ValueObjectVariable.cpp
@@ -33,7 +33,7 @@
#include "llvm/ADT/StringRef.h"
-#include <assert.h>
+#include <cassert>
#include <memory>
namespace lldb_private {
diff --git a/lldb/source/DataFormatters/StringPrinter.cpp b/lldb/source/DataFormatters/StringPrinter.cpp
index 139f1ec0554f9..0c6438f7dd868 100644
--- a/lldb/source/DataFormatters/StringPrinter.cpp
+++ b/lldb/source/DataFormatters/StringPrinter.cpp
@@ -18,7 +18,7 @@
#include "llvm/ADT/StringExtras.h"
#include "llvm/Support/ConvertUTF.h"
-#include <ctype.h>
+#include <cctype>
#include <locale>
#include <memory>
diff --git a/lldb/source/Expression/DWARFExpression.cpp b/lldb/source/Expression/DWARFExpression.cpp
index 776d7f253a8ff..75bad047e095f 100644
--- a/lldb/source/Expression/DWARFExpression.cpp
+++ b/lldb/source/Expression/DWARFExpression.cpp
@@ -8,7 +8,7 @@
#include "lldb/Expression/DWARFExpression.h"
-#include <inttypes.h>
+#include <cinttypes>
#include <vector>
diff --git a/lldb/source/Expression/UserExpression.cpp b/lldb/source/Expression/UserExpression.cpp
index 6d39950679441..bf44f1ba47e23 100644
--- a/lldb/source/Expression/UserExpression.cpp
+++ b/lldb/source/Expression/UserExpression.cpp
@@ -8,7 +8,7 @@
#include "lldb/Host/Config.h"
-#include <stdio.h>
+#include <cstdio>
#if HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
diff --git a/lldb/source/Expression/UtilityFunction.cpp b/lldb/source/Expression/UtilityFunction.cpp
index 7ad25f5aa7fe9..d7a89a8e14468 100644
--- a/lldb/source/Expression/UtilityFunction.cpp
+++ b/lldb/source/Expression/UtilityFunction.cpp
@@ -8,7 +8,7 @@
#include "lldb/Host/Config.h"
-#include <stdio.h>
+#include <cstdio>
#if HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
diff --git a/lldb/source/Host/android/LibcGlue.cpp b/lldb/source/Host/android/LibcGlue.cpp
index f7e0bf3a99d1e..877d735823fee 100644
--- a/lldb/source/Host/android/LibcGlue.cpp
+++ b/lldb/source/Host/android/LibcGlue.cpp
@@ -14,8 +14,8 @@
#if __ANDROID_API__ < 21
+#include <csignal>
#include <fcntl.h>
-#include <signal.h>
#include <sys/stat.h>
#include <sys/types.h>
diff --git a/lldb/source/Host/common/Editline.cpp b/lldb/source/Host/common/Editline.cpp
index 2cfcf2ab1432e..a5598c387b8c7 100644
--- a/lldb/source/Host/common/Editline.cpp
+++ b/lldb/source/Host/common/Editline.cpp
@@ -6,8 +6,8 @@
//
//===----------------------------------------------------------------------===//
+#include <climits>
#include <iomanip>
-#include <limits.h>
#include "lldb/Host/Editline.h"
diff --git a/lldb/source/Host/common/File.cpp b/lldb/source/Host/common/File.cpp
index a5b970907e64b..e302e0a0de096 100644
--- a/lldb/source/Host/common/File.cpp
+++ b/lldb/source/Host/common/File.cpp
@@ -8,11 +8,11 @@
#include "lldb/Host/File.h"
-#include <errno.h>
+#include <cerrno>
+#include <climits>
+#include <cstdarg>
+#include <cstdio>
#include <fcntl.h>
-#include <limits.h>
-#include <stdarg.h>
-#include <stdio.h>
#ifdef _WIN32
#include "lldb/Host/windows/windows.h"
diff --git a/lldb/source/Host/common/FileSystem.cpp b/lldb/source/Host/common/FileSystem.cpp
index 9076188168b6d..a2c3b3556a6cf 100644
--- a/lldb/source/Host/common/FileSystem.cpp
+++ b/lldb/source/Host/common/FileSystem.cpp
@@ -19,11 +19,11 @@
#include "llvm/Support/Program.h"
#include "llvm/Support/Threading.h"
-#include <errno.h>
+#include <cerrno>
+#include <climits>
+#include <cstdarg>
+#include <cstdio>
#include <fcntl.h>
-#include <limits.h>
-#include <stdarg.h>
-#include <stdio.h>
#ifdef _WIN32
#include "lldb/Host/windows/windows.h"
diff --git a/lldb/source/Host/common/GetOptInc.cpp b/lldb/source/Host/common/GetOptInc.cpp
index 62ce7428e8cce..c2044b6873221 100644
--- a/lldb/source/Host/common/GetOptInc.cpp
+++ b/lldb/source/Host/common/GetOptInc.cpp
@@ -12,9 +12,9 @@
defined(REPLACE_GETOPT_LONG_ONLY)
// getopt.cpp
-#include <errno.h>
-#include <stdlib.h>
-#include <string.h>
+#include <cerrno>
+#include <cstdlib>
+#include <cstring>
#if defined(REPLACE_GETOPT)
int opterr = 1; /* if error message should be printed */
diff --git a/lldb/source/Host/common/Host.cpp b/lldb/source/Host/common/Host.cpp
index 99316660908ed..ad7743c92e715 100644
--- a/lldb/source/Host/common/Host.cpp
+++ b/lldb/source/Host/common/Host.cpp
@@ -7,9 +7,9 @@
//===----------------------------------------------------------------------===//
// C includes
-#include <errno.h>
-#include <limits.h>
-#include <stdlib.h>
+#include <cerrno>
+#include <climits>
+#include <cstdlib>
#include <sys/types.h>
#ifndef _WIN32
#include <dlfcn.h>
diff --git a/lldb/source/Host/common/MainLoop.cpp b/lldb/source/Host/common/MainLoop.cpp
index cdcb052217960..d36587ce2346e 100644
--- a/lldb/source/Host/common/MainLoop.cpp
+++ b/lldb/source/Host/common/MainLoop.cpp
@@ -16,7 +16,7 @@
#include <cassert>
#include <cerrno>
#include <csignal>
-#include <time.h>
+#include <ctime>
#include <vector>
// Multiplexing is implemented using kqueue on systems that support it (BSD
diff --git a/lldb/source/Host/common/ProcessLaunchInfo.cpp b/lldb/source/Host/common/ProcessLaunchInfo.cpp
index d42687e9a4e32..8becd5aadecab 100644
--- a/lldb/source/Host/common/ProcessLaunchInfo.cpp
+++ b/lldb/source/Host/common/ProcessLaunchInfo.cpp
@@ -20,7 +20,7 @@
#include "llvm/Support/FileSystem.h"
#if !defined(_WIN32)
-#include <limits.h>
+#include <climits>
#endif
using namespace lldb;
diff --git a/lldb/source/Host/common/PseudoTerminal.cpp b/lldb/source/Host/common/PseudoTerminal.cpp
index de76e8ab4f68e..ce062afb9c5ab 100644
--- a/lldb/source/Host/common/PseudoTerminal.cpp
+++ b/lldb/source/Host/common/PseudoTerminal.cpp
@@ -11,11 +11,11 @@
#include "llvm/Support/Errc.h"
#include "llvm/Support/Errno.h"
#include <cassert>
-#include <limits.h>
+#include <climits>
+#include <cstdio>
+#include <cstdlib>
+#include <cstring>
#include <mutex>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
#if defined(TIOCSCTTY)
#include <sys/ioctl.h>
#endif
diff --git a/lldb/source/Host/common/Socket.cpp b/lldb/source/Host/common/Socket.cpp
index 4bcf34a6b4567..d1c327dcb7905 100644
--- a/lldb/source/Host/common/Socket.cpp
+++ b/lldb/source/Host/common/Socket.cpp
@@ -41,9 +41,9 @@
#ifdef __ANDROID__
#include <arpa/inet.h>
#include <asm-generic/errno-base.h>
-#include <errno.h>
-#include <linux/tcp.h>
+#include <cerrno>
#include <fcntl.h>
+#include <linux/tcp.h>
#include <sys/syscall.h>
#include <unistd.h>
#endif // __ANDROID__
diff --git a/lldb/source/Host/common/SocketAddress.cpp b/lldb/source/Host/common/SocketAddress.cpp
index e98944d6cdc81..25f95b7394e0a 100644
--- a/lldb/source/Host/common/SocketAddress.cpp
+++ b/lldb/source/Host/common/SocketAddress.cpp
@@ -17,15 +17,15 @@
#endif
#include "lldb/Host/SocketAddress.h"
-#include <stddef.h>
-#include <stdio.h>
+#include <cstddef>
+#include <cstdio>
#if !defined(_WIN32)
#include <arpa/inet.h>
#endif
-#include <assert.h>
-#include <string.h>
+#include <cassert>
+#include <cstring>
#include "lldb/Host/PosixApi.h"
diff --git a/lldb/source/Host/common/StringConvert.cpp b/lldb/source/Host/common/StringConvert.cpp
index e5f05e628c7cc..b4eb927553677 100644
--- a/lldb/source/Host/common/StringConvert.cpp
+++ b/lldb/source/Host/common/StringConvert.cpp
@@ -6,7 +6,7 @@
//
//===----------------------------------------------------------------------===//
-#include <stdlib.h>
+#include <cstdlib>
#include "lldb/Host/StringConvert.h"
diff --git a/lldb/source/Host/common/Terminal.cpp b/lldb/source/Host/common/Terminal.cpp
index 9990dbf74356b..c9999bd7f8351 100644
--- a/lldb/source/Host/common/Terminal.cpp
+++ b/lldb/source/Host/common/Terminal.cpp
@@ -12,8 +12,8 @@
#include "lldb/Host/PosixApi.h"
#include "llvm/ADT/STLExtras.h"
+#include <csignal>
#include <fcntl.h>
-#include <signal.h>
#if LLDB_ENABLE_TERMIOS
#include <termios.h>
diff --git a/lldb/source/Host/freebsd/Host.cpp b/lldb/source/Host/freebsd/Host.cpp
index c0cc74a5f6cc9..f935816512738 100644
--- a/lldb/source/Host/freebsd/Host.cpp
+++ b/lldb/source/Host/freebsd/Host.cpp
@@ -16,9 +16,9 @@
#include <machine/elf.h>
+#include <cstdio>
#include <dlfcn.h>
#include <execinfo.h>
-#include <stdio.h>
#include "lldb/Host/Host.h"
#include "lldb/Host/HostInfo.h"
diff --git a/lldb/source/Host/freebsd/HostInfoFreeBSD.cpp b/lldb/source/Host/freebsd/HostInfoFreeBSD.cpp
index 2db97dbcd74cb..1b9e3ccaf1818 100644
--- a/lldb/source/Host/freebsd/HostInfoFreeBSD.cpp
+++ b/lldb/source/Host/freebsd/HostInfoFreeBSD.cpp
@@ -8,8 +8,8 @@
#include "lldb/Host/freebsd/HostInfoFreeBSD.h"
-#include <stdio.h>
-#include <string.h>
+#include <cstdio>
+#include <cstring>
#include <sys/sysctl.h>
#include <sys/types.h>
#include <sys/utsname.h>
diff --git a/lldb/source/Host/linux/Host.cpp b/lldb/source/Host/linux/Host.cpp
index 334634a357f57..dabebf50b52d5 100644
--- a/lldb/source/Host/linux/Host.cpp
+++ b/lldb/source/Host/linux/Host.cpp
@@ -6,11 +6,11 @@
//
//===----------------------------------------------------------------------===//
+#include <cerrno>
+#include <cstdio>
+#include <cstring>
#include <dirent.h>
-#include <errno.h>
#include <fcntl.h>
-#include <stdio.h>
-#include <string.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/utsname.h>
diff --git a/lldb/source/Host/linux/HostInfoLinux.cpp b/lldb/source/Host/linux/HostInfoLinux.cpp
index 9e8a00f4fac1b..5f314cc7b50d9 100644
--- a/lldb/source/Host/linux/HostInfoLinux.cpp
+++ b/lldb/source/Host/linux/HostInfoLinux.cpp
@@ -13,9 +13,9 @@
#include "llvm/Support/Threading.h"
-#include <limits.h>
-#include <stdio.h>
-#include <string.h>
+#include <climits>
+#include <cstdio>
+#include <cstring>
#include <sys/utsname.h>
#include <unistd.h>
diff --git a/lldb/source/Host/macosx/cfcpp/CFCReleaser.h b/lldb/source/Host/macosx/cfcpp/CFCReleaser.h
index 23e6073cb8090..cef7748a67110 100644
--- a/lldb/source/Host/macosx/cfcpp/CFCReleaser.h
+++ b/lldb/source/Host/macosx/cfcpp/CFCReleaser.h
@@ -13,7 +13,7 @@
#ifdef __cplusplus
-#include <assert.h>
+#include <cassert>
// Templatized CF helper class that can own any CF pointer and will
// call CFRelease() on any valid pointer it owns unless that pointer is
diff --git a/lldb/source/Host/macosx/objcxx/Host.mm b/lldb/source/Host/macosx/objcxx/Host.mm
index 907be0a716c24..7225979c09227 100644
--- a/lldb/source/Host/macosx/objcxx/Host.mm
+++ b/lldb/source/Host/macosx/objcxx/Host.mm
@@ -38,13 +38,13 @@
#include <asl.h>
#include <crt_externs.h>
+#include <cstdio>
+#include <cstdlib>
#include <dlfcn.h>
#include <grp.h>
#include <libproc.h>
#include <pwd.h>
#include <spawn.h>
-#include <stdio.h>
-#include <stdlib.h>
#include <sys/proc.h>
#include <sys/stat.h>
#include <sys/sysctl.h>
diff --git a/lldb/source/Host/macosx/objcxx/HostInfoMacOSX.mm b/lldb/source/Host/macosx/objcxx/HostInfoMacOSX.mm
index 72924515d8817..4c396c3fe016d 100644
--- a/lldb/source/Host/macosx/objcxx/HostInfoMacOSX.mm
+++ b/lldb/source/Host/macosx/objcxx/HostInfoMacOSX.mm
@@ -25,7 +25,7 @@
#include <string>
// C inclues
-#include <stdlib.h>
+#include <cstdlib>
#include <sys/sysctl.h>
#include <sys/syslimits.h>
#include <sys/types.h>
diff --git a/lldb/source/Host/netbsd/HostInfoNetBSD.cpp b/lldb/source/Host/netbsd/HostInfoNetBSD.cpp
index cc01ec35a5bc4..bddd46cec3ee4 100644
--- a/lldb/source/Host/netbsd/HostInfoNetBSD.cpp
+++ b/lldb/source/Host/netbsd/HostInfoNetBSD.cpp
@@ -8,11 +8,11 @@
#include "lldb/Host/netbsd/HostInfoNetBSD.h"
-#include <inttypes.h>
-#include <limits.h>
+#include <cinttypes>
+#include <climits>
+#include <cstdio>
+#include <cstring>
#include <pthread.h>
-#include <stdio.h>
-#include <string.h>
#include <sys/sysctl.h>
#include <sys/types.h>
#include <sys/utsname.h>
diff --git a/lldb/source/Host/netbsd/HostNetBSD.cpp b/lldb/source/Host/netbsd/HostNetBSD.cpp
index 1945f9f9052f7..af31a11a20a01 100644
--- a/lldb/source/Host/netbsd/HostNetBSD.cpp
+++ b/lldb/source/Host/netbsd/HostNetBSD.cpp
@@ -6,14 +6,14 @@
//
//===----------------------------------------------------------------------===//
+#include <cstdio>
#include <dlfcn.h>
#include <execinfo.h>
-#include <stdio.h>
#include <sys/proc.h>
#include <sys/sysctl.h>
#include <sys/types.h>
-#include <limits.h>
+#include <climits>
#include <kvm.h>
#include <sys/exec.h>
diff --git a/lldb/source/Host/openbsd/Host.cpp b/lldb/source/Host/openbsd/Host.cpp
index 4ce549522908a..799a61adbf262 100644
--- a/lldb/source/Host/openbsd/Host.cpp
+++ b/lldb/source/Host/openbsd/Host.cpp
@@ -15,7 +15,7 @@
#include <sys/sysctl.h>
#include <sys/user.h>
-#include <stdio.h>
+#include <cstdio>
#include "lldb/Host/Host.h"
#include "lldb/Host/HostInfo.h"
diff --git a/lldb/source/Host/openbsd/HostInfoOpenBSD.cpp b/lldb/source/Host/openbsd/HostInfoOpenBSD.cpp
index 58836333b63c6..9617375babe1f 100644
--- a/lldb/source/Host/openbsd/HostInfoOpenBSD.cpp
+++ b/lldb/source/Host/openbsd/HostInfoOpenBSD.cpp
@@ -8,8 +8,8 @@
#include "lldb/Host/openbsd/HostInfoOpenBSD.h"
-#include <stdio.h>
-#include <string.h>
+#include <cstdio>
+#include <cstring>
#include <sys/sysctl.h>
#include <sys/types.h>
#include <sys/utsname.h>
diff --git a/lldb/source/Host/posix/ConnectionFileDescriptorPosix.cpp b/lldb/source/Host/posix/ConnectionFileDescriptorPosix.cpp
index 3a547ce128d8f..548a3767e3173 100644
--- a/lldb/source/Host/posix/ConnectionFileDescriptorPosix.cpp
+++ b/lldb/source/Host/posix/ConnectionFileDescriptorPosix.cpp
@@ -20,10 +20,10 @@
#include "lldb/Utility/SelectHelper.h"
#include "lldb/Utility/Timeout.h"
-#include <errno.h>
+#include <cerrno>
+#include <cstdlib>
+#include <cstring>
#include <fcntl.h>
-#include <stdlib.h>
-#include <string.h>
#include <sys/types.h>
#if LLDB_ENABLE_POSIX
diff --git a/lldb/source/Host/posix/DomainSocket.cpp b/lldb/source/Host/posix/DomainSocket.cpp
index 5a396906fdf6c..7322b15200b4d 100644
--- a/lldb/source/Host/posix/DomainSocket.cpp
+++ b/lldb/source/Host/posix/DomainSocket.cpp
@@ -11,7 +11,7 @@
#include "llvm/Support/Errno.h"
#include "llvm/Support/FileSystem.h"
-#include <stddef.h>
+#include <cstddef>
#include <sys/socket.h>
#include <sys/un.h>
diff --git a/lldb/source/Host/posix/HostInfoPosix.cpp b/lldb/source/Host/posix/HostInfoPosix.cpp
index 7e110f07d7cfa..b633acf6fec6e 100644
--- a/lldb/source/Host/posix/HostInfoPosix.cpp
+++ b/lldb/source/Host/posix/HostInfoPosix.cpp
@@ -15,11 +15,11 @@
#include "llvm/Support/Path.h"
#include "llvm/Support/raw_ostream.h"
+#include <climits>
+#include <cstdlib>
#include <grp.h>
-#include <limits.h>
#include <mutex>
#include <pwd.h>
-#include <stdlib.h>
#include <sys/types.h>
#include <unistd.h>
diff --git a/lldb/source/Host/posix/HostProcessPosix.cpp b/lldb/source/Host/posix/HostProcessPosix.cpp
index 69a049bcf7a2e..8fd3a44e9426a 100644
--- a/lldb/source/Host/posix/HostProcessPosix.cpp
+++ b/lldb/source/Host/posix/HostProcessPosix.cpp
@@ -12,8 +12,8 @@
#include "llvm/ADT/STLExtras.h"
+#include <climits>
#include <csignal>
-#include <limits.h>
#include <unistd.h>
using namespace lldb_private;
diff --git a/lldb/source/Host/posix/HostThreadPosix.cpp b/lldb/source/Host/posix/HostThreadPosix.cpp
index 31c7c7f8e2f36..fcb8805e7d7c1 100644
--- a/lldb/source/Host/posix/HostThreadPosix.cpp
+++ b/lldb/source/Host/posix/HostThreadPosix.cpp
@@ -9,7 +9,7 @@
#include "lldb/Host/posix/HostThreadPosix.h"
#include "lldb/Utility/Status.h"
-#include <errno.h>
+#include <cerrno>
#include <pthread.h>
using namespace lldb;
diff --git a/lldb/source/Host/posix/PipePosix.cpp b/lldb/source/Host/posix/PipePosix.cpp
index 2ccf0007a770a..a8cce573f12a7 100644
--- a/lldb/source/Host/posix/PipePosix.cpp
+++ b/lldb/source/Host/posix/PipePosix.cpp
@@ -15,9 +15,9 @@
#include <functional>
#include <thread>
-#include <errno.h>
+#include <cerrno>
+#include <climits>
#include <fcntl.h>
-#include <limits.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
diff --git a/lldb/source/Host/posix/ProcessLauncherPosixFork.cpp b/lldb/source/Host/posix/ProcessLauncherPosixFork.cpp
index 35482341d3e6a..25dcf1e592c57 100644
--- a/lldb/source/Host/posix/ProcessLauncherPosixFork.cpp
+++ b/lldb/source/Host/posix/ProcessLauncherPosixFork.cpp
@@ -15,7 +15,7 @@
#include "lldb/Utility/Log.h"
#include "llvm/Support/Errno.h"
-#include <limits.h>
+#include <climits>
#include <sys/ptrace.h>
#include <sys/wait.h>
#include <unistd.h>
diff --git a/lldb/source/Host/windows/Host.cpp b/lldb/source/Host/windows/Host.cpp
index 50617a8c4bb0c..f663b35dded5c 100644
--- a/lldb/source/Host/windows/Host.cpp
+++ b/lldb/source/Host/windows/Host.cpp
@@ -8,7 +8,7 @@
#include "lldb/Host/windows/AutoHandle.h"
#include "lldb/Host/windows/windows.h"
-#include <stdio.h>
+#include <cstdio>
#include "lldb/Host/FileSystem.h"
#include "lldb/Host/Host.h"
diff --git a/lldb/source/Host/windows/Windows.cpp b/lldb/source/Host/windows/Windows.cpp
index 4e6437f1c9ec9..787f35930baf7 100644
--- a/lldb/source/Host/windows/Windows.cpp
+++ b/lldb/source/Host/windows/Windows.cpp
@@ -13,14 +13,14 @@
#include "llvm/Support/ConvertUTF.h"
-#include <assert.h>
+#include <cassert>
+#include <cctype>
#include <cerrno>
-#include <ctype.h>
+#include <cstdarg>
+#include <cstdio>
+#include <cstdlib>
+#include <cstring>
#include <io.h>
-#include <stdarg.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
int vasprintf(char **ret, const char *fmt, va_list ap) {
char *buf;
diff --git a/lldb/source/Interpreter/CommandHistory.cpp b/lldb/source/Interpreter/CommandHistory.cpp
index ffdcbbfb4831e..8f399840b8023 100644
--- a/lldb/source/Interpreter/CommandHistory.cpp
+++ b/lldb/source/Interpreter/CommandHistory.cpp
@@ -6,7 +6,7 @@
//
//===----------------------------------------------------------------------===//
-#include <inttypes.h>
+#include <cinttypes>
#include "lldb/Interpreter/CommandHistory.h"
diff --git a/lldb/source/Interpreter/CommandInterpreter.cpp b/lldb/source/Interpreter/CommandInterpreter.cpp
index 81220843a008d..3398ec2595d67 100644
--- a/lldb/source/Interpreter/CommandInterpreter.cpp
+++ b/lldb/source/Interpreter/CommandInterpreter.cpp
@@ -6,9 +6,9 @@
//
//===----------------------------------------------------------------------===//
+#include <cstdlib>
#include <limits>
#include <memory>
-#include <stdlib.h>
#include <string>
#include <vector>
diff --git a/lldb/source/Interpreter/CommandObject.cpp b/lldb/source/Interpreter/CommandObject.cpp
index 22effff9bf44b..09a8b05a77440 100644
--- a/lldb/source/Interpreter/CommandObject.cpp
+++ b/lldb/source/Interpreter/CommandObject.cpp
@@ -12,8 +12,8 @@
#include <sstream>
#include <string>
-#include <ctype.h>
-#include <stdlib.h>
+#include <cctype>
+#include <cstdlib>
#include "lldb/Core/Address.h"
#include "lldb/Interpreter/Options.h"
diff --git a/lldb/source/Interpreter/ScriptInterpreter.cpp b/lldb/source/Interpreter/ScriptInterpreter.cpp
index d822ea23a10a7..2b70a9172938e 100644
--- a/lldb/source/Interpreter/ScriptInterpreter.cpp
+++ b/lldb/source/Interpreter/ScriptInterpreter.cpp
@@ -18,9 +18,9 @@
#if defined(_WIN32)
#include "lldb/Host/windows/ConnectionGenericFileWindows.h"
#endif
+#include <cstdio>
+#include <cstdlib>
#include <memory>
-#include <stdio.h>
-#include <stdlib.h>
#include <string>
using namespace lldb;
diff --git a/lldb/source/Plugins/DynamicLoader/Darwin-Kernel/DynamicLoaderDarwinKernel.cpp b/lldb/source/Plugins/DynamicLoader/Darwin-Kernel/DynamicLoaderDarwinKernel.cpp
index 575a882697e07..c3ff9d8e9ce77 100644
--- a/lldb/source/Plugins/DynamicLoader/Darwin-Kernel/DynamicLoaderDarwinKernel.cpp
+++ b/lldb/source/Plugins/DynamicLoader/Darwin-Kernel/DynamicLoaderDarwinKernel.cpp
@@ -35,7 +35,7 @@
//#define ENABLE_DEBUG_PRINTF // COMMENT THIS LINE OUT PRIOR TO CHECKIN
#ifdef ENABLE_DEBUG_PRINTF
-#include <stdio.h>
+#include <cstdio>
#define DEBUG_PRINTF(fmt, ...) printf(fmt, ##__VA_ARGS__)
#else
#define DEBUG_PRINTF(fmt, ...)
diff --git a/lldb/source/Plugins/DynamicLoader/MacOSX-DYLD/DynamicLoaderDarwin.cpp b/lldb/source/Plugins/DynamicLoader/MacOSX-DYLD/DynamicLoaderDarwin.cpp
index ac43112606002..eed0339a058dc 100644
--- a/lldb/source/Plugins/DynamicLoader/MacOSX-DYLD/DynamicLoaderDarwin.cpp
+++ b/lldb/source/Plugins/DynamicLoader/MacOSX-DYLD/DynamicLoaderDarwin.cpp
@@ -36,7 +36,7 @@
//#define ENABLE_DEBUG_PRINTF // COMMENT THIS LINE OUT PRIOR TO CHECKIN
#ifdef ENABLE_DEBUG_PRINTF
-#include <stdio.h>
+#include <cstdio>
#define DEBUG_PRINTF(fmt, ...) printf(fmt, ##__VA_ARGS__)
#else
#define DEBUG_PRINTF(fmt, ...)
diff --git a/lldb/source/Plugins/DynamicLoader/MacOSX-DYLD/DynamicLoaderMacOSXDYLD.cpp b/lldb/source/Plugins/DynamicLoader/MacOSX-DYLD/DynamicLoaderMacOSXDYLD.cpp
index 6872dd72efad8..91b1682ad0016 100644
--- a/lldb/source/Plugins/DynamicLoader/MacOSX-DYLD/DynamicLoaderMacOSXDYLD.cpp
+++ b/lldb/source/Plugins/DynamicLoader/MacOSX-DYLD/DynamicLoaderMacOSXDYLD.cpp
@@ -32,7 +32,7 @@
//#define ENABLE_DEBUG_PRINTF // COMMENT THIS LINE OUT PRIOR TO CHECKIN
#ifdef ENABLE_DEBUG_PRINTF
-#include <stdio.h>
+#include <cstdio>
#define DEBUG_PRINTF(fmt, ...) printf(fmt, ##__VA_ARGS__)
#else
#define DEBUG_PRINTF(fmt, ...)
diff --git a/lldb/source/Plugins/ExpressionParser/Clang/ASTResultSynthesizer.cpp b/lldb/source/Plugins/ExpressionParser/Clang/ASTResultSynthesizer.cpp
index 3edbc4ab98c06..1ab8dafcbab49 100644
--- a/lldb/source/Plugins/ExpressionParser/Clang/ASTResultSynthesizer.cpp
+++ b/lldb/source/Plugins/ExpressionParser/Clang/ASTResultSynthesizer.cpp
@@ -15,7 +15,6 @@
#include "lldb/Target/Target.h"
#include "lldb/Utility/LLDBAssert.h"
#include "lldb/Utility/Log.h"
-#include "stdlib.h"
#include "clang/AST/ASTContext.h"
#include "clang/AST/Decl.h"
#include "clang/AST/DeclCXX.h"
@@ -27,6 +26,7 @@
#include "clang/Sema/SemaDiagnostic.h"
#include "llvm/Support/Casting.h"
#include "llvm/Support/raw_ostream.h"
+#include <cstdlib>
using namespace llvm;
using namespace clang;
diff --git a/lldb/source/Plugins/ExpressionParser/Clang/ASTStructExtractor.cpp b/lldb/source/Plugins/ExpressionParser/Clang/ASTStructExtractor.cpp
index 40f0de40da529..81e3b277d79f4 100644
--- a/lldb/source/Plugins/ExpressionParser/Clang/ASTStructExtractor.cpp
+++ b/lldb/source/Plugins/ExpressionParser/Clang/ASTStructExtractor.cpp
@@ -9,7 +9,6 @@
#include "ASTStructExtractor.h"
#include "lldb/Utility/Log.h"
-#include "stdlib.h"
#include "clang/AST/ASTContext.h"
#include "clang/AST/Decl.h"
#include "clang/AST/DeclCXX.h"
@@ -21,6 +20,7 @@
#include "clang/Sema/Sema.h"
#include "llvm/Support/Casting.h"
#include "llvm/Support/raw_ostream.h"
+#include <cstdlib>
using namespace llvm;
using namespace clang;
diff --git a/lldb/source/Plugins/ExpressionParser/Clang/ClangExpressionDeclMap.h b/lldb/source/Plugins/ExpressionParser/Clang/ClangExpressionDeclMap.h
index f1a0e21452d9b..e3d2f449683d9 100644
--- a/lldb/source/Plugins/ExpressionParser/Clang/ClangExpressionDeclMap.h
+++ b/lldb/source/Plugins/ExpressionParser/Clang/ClangExpressionDeclMap.h
@@ -9,8 +9,8 @@
#ifndef LLDB_SOURCE_PLUGINS_EXPRESSIONPARSER_CLANG_CLANGEXPRESSIONDECLMAP_H
#define LLDB_SOURCE_PLUGINS_EXPRESSIONPARSER_CLANG_CLANGEXPRESSIONDECLMAP_H
-#include <signal.h>
-#include <stdint.h>
+#include <csignal>
+#include <cstdint>
#include <vector>
diff --git a/lldb/source/Plugins/ExpressionParser/Clang/ClangExpressionVariable.h b/lldb/source/Plugins/ExpressionParser/Clang/ClangExpressionVariable.h
index 58d589962abeb..6bae52edd5a26 100644
--- a/lldb/source/Plugins/ExpressionParser/Clang/ClangExpressionVariable.h
+++ b/lldb/source/Plugins/ExpressionParser/Clang/ClangExpressionVariable.h
@@ -9,9 +9,9 @@
#ifndef LLDB_SOURCE_PLUGINS_EXPRESSIONPARSER_CLANG_CLANGEXPRESSIONVARIABLE_H
#define LLDB_SOURCE_PLUGINS_EXPRESSIONPARSER_CLANG_CLANGEXPRESSIONVARIABLE_H
-#include <signal.h>
-#include <stdint.h>
-#include <string.h>
+#include <csignal>
+#include <cstdint>
+#include <cstring>
#include <map>
#include <string>
diff --git a/lldb/source/Plugins/ExpressionParser/Clang/ClangUserExpression.cpp b/lldb/source/Plugins/ExpressionParser/Clang/ClangUserExpression.cpp
index d18b2396375bd..978eb7d0a4f10 100644
--- a/lldb/source/Plugins/ExpressionParser/Clang/ClangUserExpression.cpp
+++ b/lldb/source/Plugins/ExpressionParser/Clang/ClangUserExpression.cpp
@@ -8,7 +8,7 @@
#include "lldb/Host/Config.h"
-#include <stdio.h>
+#include <cstdio>
#if HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
diff --git a/lldb/source/Plugins/ExpressionParser/Clang/ClangUtilityFunction.cpp b/lldb/source/Plugins/ExpressionParser/Clang/ClangUtilityFunction.cpp
index 5d56bd7285f78..39c6ad2474033 100644
--- a/lldb/source/Plugins/ExpressionParser/Clang/ClangUtilityFunction.cpp
+++ b/lldb/source/Plugins/ExpressionParser/Clang/ClangUtilityFunction.cpp
@@ -14,7 +14,7 @@
#include "ClangExpressionSourceCode.h"
#include "ClangPersistentVariables.h"
-#include <stdio.h>
+#include <cstdio>
#if HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
diff --git a/lldb/source/Plugins/Instruction/ARM/EmulateInstructionARM.cpp b/lldb/source/Plugins/Instruction/ARM/EmulateInstructionARM.cpp
index 555912780df96..bf0bbdab740f4 100644
--- a/lldb/source/Plugins/Instruction/ARM/EmulateInstructionARM.cpp
+++ b/lldb/source/Plugins/Instruction/ARM/EmulateInstructionARM.cpp
@@ -6,7 +6,7 @@
//
//===----------------------------------------------------------------------===//
-#include <stdlib.h>
+#include <cstdlib>
#include "EmulateInstructionARM.h"
#include "EmulationStateARM.h"
diff --git a/lldb/source/Plugins/Instruction/MIPS/EmulateInstructionMIPS.cpp b/lldb/source/Plugins/Instruction/MIPS/EmulateInstructionMIPS.cpp
index a266450829a99..a1a93c0b5a5fb 100644
--- a/lldb/source/Plugins/Instruction/MIPS/EmulateInstructionMIPS.cpp
+++ b/lldb/source/Plugins/Instruction/MIPS/EmulateInstructionMIPS.cpp
@@ -8,7 +8,7 @@
#include "EmulateInstructionMIPS.h"
-#include <stdlib.h>
+#include <cstdlib>
#include "lldb/Core/Address.h"
#include "lldb/Core/Opcode.h"
diff --git a/lldb/source/Plugins/Instruction/MIPS64/EmulateInstructionMIPS64.cpp b/lldb/source/Plugins/Instruction/MIPS64/EmulateInstructionMIPS64.cpp
index 06ebe484dbe99..6044d00c0cbf6 100644
--- a/lldb/source/Plugins/Instruction/MIPS64/EmulateInstructionMIPS64.cpp
+++ b/lldb/source/Plugins/Instruction/MIPS64/EmulateInstructionMIPS64.cpp
@@ -8,7 +8,7 @@
#include "EmulateInstructionMIPS64.h"
-#include <stdlib.h>
+#include <cstdlib>
#include "lldb/Core/Address.h"
#include "lldb/Core/Opcode.h"
diff --git a/lldb/source/Plugins/Instruction/PPC64/EmulateInstructionPPC64.cpp b/lldb/source/Plugins/Instruction/PPC64/EmulateInstructionPPC64.cpp
index 5d97513c0be73..4e78c369c128a 100644
--- a/lldb/source/Plugins/Instruction/PPC64/EmulateInstructionPPC64.cpp
+++ b/lldb/source/Plugins/Instruction/PPC64/EmulateInstructionPPC64.cpp
@@ -8,7 +8,7 @@
#include "EmulateInstructionPPC64.h"
-#include <stdlib.h>
+#include <cstdlib>
#include "lldb/Core/PluginManager.h"
#include "lldb/Symbol/UnwindPlan.h"
diff --git a/lldb/source/Plugins/InstrumentationRuntime/UBSan/InstrumentationRuntimeUBSan.cpp b/lldb/source/Plugins/InstrumentationRuntime/UBSan/InstrumentationRuntimeUBSan.cpp
index 5f27da609f84b..58bc38a551f0a 100644
--- a/lldb/source/Plugins/InstrumentationRuntime/UBSan/InstrumentationRuntimeUBSan.cpp
+++ b/lldb/source/Plugins/InstrumentationRuntime/UBSan/InstrumentationRuntimeUBSan.cpp
@@ -29,7 +29,7 @@
#include "lldb/Target/Thread.h"
#include "lldb/Utility/RegularExpression.h"
#include "lldb/Utility/Stream.h"
-#include <ctype.h>
+#include <cctype>
#include <memory>
diff --git a/lldb/source/Plugins/Language/ObjC/CoreMedia.cpp b/lldb/source/Plugins/Language/ObjC/CoreMedia.cpp
index efc80cc755577..a862da551813d 100644
--- a/lldb/source/Plugins/Language/ObjC/CoreMedia.cpp
+++ b/lldb/source/Plugins/Language/ObjC/CoreMedia.cpp
@@ -13,7 +13,7 @@
#include "lldb/Symbol/TypeSystem.h"
#include "lldb/Target/Target.h"
-#include <inttypes.h>
+#include <cinttypes>
using namespace lldb;
using namespace lldb_private;
diff --git a/lldb/source/Plugins/LanguageRuntime/CPlusPlus/CPPLanguageRuntime.cpp b/lldb/source/Plugins/LanguageRuntime/CPlusPlus/CPPLanguageRuntime.cpp
index ff2c064ee388a..bed2a98067e6f 100644
--- a/lldb/source/Plugins/LanguageRuntime/CPlusPlus/CPPLanguageRuntime.cpp
+++ b/lldb/source/Plugins/LanguageRuntime/CPlusPlus/CPPLanguageRuntime.cpp
@@ -6,7 +6,7 @@
//
//===----------------------------------------------------------------------===//
-#include <string.h>
+#include <cstring>
#include <memory>
diff --git a/lldb/source/Plugins/LanguageRuntime/ObjC/AppleObjCRuntime/AppleObjCRuntimeV2.cpp b/lldb/source/Plugins/LanguageRuntime/ObjC/AppleObjCRuntime/AppleObjCRuntimeV2.cpp
index b9151a01bbda6..ab9cfab850a5b 100644
--- a/lldb/source/Plugins/LanguageRuntime/ObjC/AppleObjCRuntime/AppleObjCRuntimeV2.cpp
+++ b/lldb/source/Plugins/LanguageRuntime/ObjC/AppleObjCRuntime/AppleObjCRuntimeV2.cpp
@@ -6,7 +6,7 @@
//
//===----------------------------------------------------------------------===//
-#include <stdint.h>
+#include <cstdint>
#include <memory>
#include <string>
diff --git a/lldb/source/Plugins/ObjectFile/ELF/ObjectFileELF.h b/lldb/source/Plugins/ObjectFile/ELF/ObjectFileELF.h
index 062271f1caf0f..4fde0d141727a 100644
--- a/lldb/source/Plugins/ObjectFile/ELF/ObjectFileELF.h
+++ b/lldb/source/Plugins/ObjectFile/ELF/ObjectFileELF.h
@@ -9,7 +9,7 @@
#ifndef LLDB_SOURCE_PLUGINS_OBJECTFILE_ELF_OBJECTFILEELF_H
#define LLDB_SOURCE_PLUGINS_OBJECTFILE_ELF_OBJECTFILEELF_H
-#include <stdint.h>
+#include <cstdint>
#include <vector>
diff --git a/lldb/source/Plugins/Platform/Android/AdbClient.cpp b/lldb/source/Plugins/Platform/Android/AdbClient.cpp
index ffccd6d628aad..a4f9c763a4723 100644
--- a/lldb/source/Plugins/Platform/Android/AdbClient.cpp
+++ b/lldb/source/Plugins/Platform/Android/AdbClient.cpp
@@ -24,7 +24,7 @@
#include "lldb/Utility/StreamString.h"
#include "lldb/Utility/Timeout.h"
-#include <limits.h>
+#include <climits>
#include <algorithm>
#include <cstdlib>
diff --git a/lldb/source/Plugins/Platform/FreeBSD/PlatformFreeBSD.cpp b/lldb/source/Plugins/Platform/FreeBSD/PlatformFreeBSD.cpp
index 6b39a83fd668a..7b3d8a375bf6b 100644
--- a/lldb/source/Plugins/Platform/FreeBSD/PlatformFreeBSD.cpp
+++ b/lldb/source/Plugins/Platform/FreeBSD/PlatformFreeBSD.cpp
@@ -9,7 +9,7 @@
#include "PlatformFreeBSD.h"
#include "lldb/Host/Config.h"
-#include <stdio.h>
+#include <cstdio>
#if LLDB_ENABLE_POSIX
#include <sys/utsname.h>
#endif
diff --git a/lldb/source/Plugins/Platform/Linux/PlatformLinux.cpp b/lldb/source/Plugins/Platform/Linux/PlatformLinux.cpp
index 2cb671fd4dc39..314730c562f67 100644
--- a/lldb/source/Plugins/Platform/Linux/PlatformLinux.cpp
+++ b/lldb/source/Plugins/Platform/Linux/PlatformLinux.cpp
@@ -9,7 +9,7 @@
#include "PlatformLinux.h"
#include "lldb/Host/Config.h"
-#include <stdio.h>
+#include <cstdio>
#if LLDB_ENABLE_POSIX
#include <sys/utsname.h>
#endif
diff --git a/lldb/source/Plugins/Platform/MacOSX/PlatformDarwin.cpp b/lldb/source/Plugins/Platform/MacOSX/PlatformDarwin.cpp
index f1ca859289041..7ddf4d496acb9 100644
--- a/lldb/source/Plugins/Platform/MacOSX/PlatformDarwin.cpp
+++ b/lldb/source/Plugins/Platform/MacOSX/PlatformDarwin.cpp
@@ -8,7 +8,7 @@
#include "PlatformDarwin.h"
-#include <string.h>
+#include <cstring>
#include <algorithm>
#include <memory>
diff --git a/lldb/source/Plugins/Platform/NetBSD/PlatformNetBSD.cpp b/lldb/source/Plugins/Platform/NetBSD/PlatformNetBSD.cpp
index a5d73c942830d..e3682b44e1414 100644
--- a/lldb/source/Plugins/Platform/NetBSD/PlatformNetBSD.cpp
+++ b/lldb/source/Plugins/Platform/NetBSD/PlatformNetBSD.cpp
@@ -9,7 +9,7 @@
#include "PlatformNetBSD.h"
#include "lldb/Host/Config.h"
-#include <stdio.h>
+#include <cstdio>
#if LLDB_ENABLE_POSIX
#include <sys/utsname.h>
#endif
diff --git a/lldb/source/Plugins/Platform/OpenBSD/PlatformOpenBSD.cpp b/lldb/source/Plugins/Platform/OpenBSD/PlatformOpenBSD.cpp
index 2cd024f56ec92..012b688231a03 100644
--- a/lldb/source/Plugins/Platform/OpenBSD/PlatformOpenBSD.cpp
+++ b/lldb/source/Plugins/Platform/OpenBSD/PlatformOpenBSD.cpp
@@ -9,7 +9,7 @@
#include "PlatformOpenBSD.h"
#include "lldb/Host/Config.h"
-#include <stdio.h>
+#include <cstdio>
#if LLDB_ENABLE_POSIX
#include <sys/utsname.h>
#endif
diff --git a/lldb/source/Plugins/Platform/Windows/PlatformWindows.cpp b/lldb/source/Plugins/Platform/Windows/PlatformWindows.cpp
index 3527fb18d8c47..fd28eec638086 100644
--- a/lldb/source/Plugins/Platform/Windows/PlatformWindows.cpp
+++ b/lldb/source/Plugins/Platform/Windows/PlatformWindows.cpp
@@ -8,7 +8,7 @@
#include "PlatformWindows.h"
-#include <stdio.h>
+#include <cstdio>
#if defined(_WIN32)
#include "lldb/Host/windows/windows.h"
#include <winsock2.h>
diff --git a/lldb/source/Plugins/Process/Linux/NativeProcessLinux.cpp b/lldb/source/Plugins/Process/Linux/NativeProcessLinux.cpp
index 963b4b84595f5..62c2a725779ee 100644
--- a/lldb/source/Plugins/Process/Linux/NativeProcessLinux.cpp
+++ b/lldb/source/Plugins/Process/Linux/NativeProcessLinux.cpp
@@ -8,9 +8,9 @@
#include "NativeProcessLinux.h"
-#include <errno.h>
-#include <stdint.h>
-#include <string.h>
+#include <cerrno>
+#include <cstdint>
+#include <cstring>
#include <unistd.h>
#include <fstream>
diff --git a/lldb/source/Plugins/Process/Linux/NativeThreadLinux.cpp b/lldb/source/Plugins/Process/Linux/NativeThreadLinux.cpp
index c44f10cc0a355..d8ba5415a983e 100644
--- a/lldb/source/Plugins/Process/Linux/NativeThreadLinux.cpp
+++ b/lldb/source/Plugins/Process/Linux/NativeThreadLinux.cpp
@@ -8,7 +8,7 @@
#include "NativeThreadLinux.h"
-#include <signal.h>
+#include <csignal>
#include <sstream>
#include "NativeProcessLinux.h"
diff --git a/lldb/source/Plugins/Process/Linux/SingleStepCheck.cpp b/lldb/source/Plugins/Process/Linux/SingleStepCheck.cpp
index f0c6bdc6cf8a4..5b337f1974ea5 100644
--- a/lldb/source/Plugins/Process/Linux/SingleStepCheck.cpp
+++ b/lldb/source/Plugins/Process/Linux/SingleStepCheck.cpp
@@ -8,8 +8,8 @@
#include "SingleStepCheck.h"
+#include <csignal>
#include <sched.h>
-#include <signal.h>
#include <sys/wait.h>
#include <unistd.h>
diff --git a/lldb/source/Plugins/Process/MacOSX-Kernel/CommunicationKDP.cpp b/lldb/source/Plugins/Process/MacOSX-Kernel/CommunicationKDP.cpp
index fc0539a089e29..d397d16876300 100644
--- a/lldb/source/Plugins/Process/MacOSX-Kernel/CommunicationKDP.cpp
+++ b/lldb/source/Plugins/Process/MacOSX-Kernel/CommunicationKDP.cpp
@@ -8,10 +8,9 @@
#include "CommunicationKDP.h"
-#include <errno.h>
-#include <limits.h>
-#include <string.h>
-
+#include <cerrno>
+#include <climits>
+#include <cstring>
#include "lldb/Core/DumpDataExtractor.h"
#include "lldb/Host/Host.h"
diff --git a/lldb/source/Plugins/Process/MacOSX-Kernel/ProcessKDP.cpp b/lldb/source/Plugins/Process/MacOSX-Kernel/ProcessKDP.cpp
index 913c889ae7db2..0f0e978349b1c 100644
--- a/lldb/source/Plugins/Process/MacOSX-Kernel/ProcessKDP.cpp
+++ b/lldb/source/Plugins/Process/MacOSX-Kernel/ProcessKDP.cpp
@@ -6,8 +6,8 @@
//
//===----------------------------------------------------------------------===//
-#include <errno.h>
-#include <stdlib.h>
+#include <cerrno>
+#include <cstdlib>
#include <memory>
#include <mutex>
diff --git a/lldb/source/Plugins/Process/NetBSD/NativeRegisterContextNetBSD_x86_64.cpp b/lldb/source/Plugins/Process/NetBSD/NativeRegisterContextNetBSD_x86_64.cpp
index 4caa548021d84..3d164eadbea70 100644
--- a/lldb/source/Plugins/Process/NetBSD/NativeRegisterContextNetBSD_x86_64.cpp
+++ b/lldb/source/Plugins/Process/NetBSD/NativeRegisterContextNetBSD_x86_64.cpp
@@ -29,8 +29,8 @@
#include <x86/specialreg.h>
#include <elf.h>
#include <err.h>
-#include <stdint.h>
-#include <stdlib.h>
+#include <cstdint>
+#include <cstdlib>
// clang-format on
using namespace lldb_private;
diff --git a/lldb/source/Plugins/Process/POSIX/CrashReason.h b/lldb/source/Plugins/Process/POSIX/CrashReason.h
index f5213891d976d..24acdc08e9007 100644
--- a/lldb/source/Plugins/Process/POSIX/CrashReason.h
+++ b/lldb/source/Plugins/Process/POSIX/CrashReason.h
@@ -11,7 +11,7 @@
#include "lldb/lldb-types.h"
-#include <signal.h>
+#include <csignal>
#include <string>
diff --git a/lldb/source/Plugins/Process/Utility/LinuxPTraceDefines_arm64sve.h b/lldb/source/Plugins/Process/Utility/LinuxPTraceDefines_arm64sve.h
index 7f6f7cf5832d1..9e2225fa91275 100644
--- a/lldb/source/Plugins/Process/Utility/LinuxPTraceDefines_arm64sve.h
+++ b/lldb/source/Plugins/Process/Utility/LinuxPTraceDefines_arm64sve.h
@@ -9,7 +9,7 @@
#ifndef LLDB_SOURCE_PLUGINS_PROCESS_UTILITY_LINUXPTRACEDEFINES_ARM64SVE_H
#define LLDB_SOURCE_PLUGINS_PROCESS_UTILITY_LINUXPTRACEDEFINES_ARM64SVE_H
-#include <stdint.h>
+#include <cstdint>
namespace lldb_private {
namespace sve {
diff --git a/lldb/source/Plugins/Process/Utility/RegisterContextDarwin_i386.cpp b/lldb/source/Plugins/Process/Utility/RegisterContextDarwin_i386.cpp
index c5ebddc56b6c9..07420a9096f91 100644
--- a/lldb/source/Plugins/Process/Utility/RegisterContextDarwin_i386.cpp
+++ b/lldb/source/Plugins/Process/Utility/RegisterContextDarwin_i386.cpp
@@ -15,7 +15,7 @@
#include "llvm/ADT/STLExtras.h"
#include "llvm/Support/Compiler.h"
-#include <stddef.h>
+#include <cstddef>
#include <memory>
diff --git a/lldb/source/Plugins/Process/Utility/RegisterContextDarwin_x86_64.cpp b/lldb/source/Plugins/Process/Utility/RegisterContextDarwin_x86_64.cpp
index 38cd00aea9cc8..39e2c6bbe8125 100644
--- a/lldb/source/Plugins/Process/Utility/RegisterContextDarwin_x86_64.cpp
+++ b/lldb/source/Plugins/Process/Utility/RegisterContextDarwin_x86_64.cpp
@@ -6,9 +6,9 @@
//
//===----------------------------------------------------------------------===//
-#include <inttypes.h>
-#include <stdarg.h>
-#include <stddef.h>
+#include <cinttypes>
+#include <cstdarg>
+#include <cstddef>
#include <memory>
diff --git a/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_arm.cpp b/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_arm.cpp
index 97a760396ba92..92553a8f958ed 100644
--- a/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_arm.cpp
+++ b/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_arm.cpp
@@ -6,9 +6,9 @@
//
//===----------------------------------------------------------------------===//
+#include <cerrno>
+#include <cstdint>
#include <cstring>
-#include <errno.h>
-#include <stdint.h>
#include "lldb/Target/Process.h"
#include "lldb/Target/Target.h"
diff --git a/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_arm64.cpp b/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_arm64.cpp
index c4e7eda1e5d69..38926f0abea3f 100644
--- a/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_arm64.cpp
+++ b/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_arm64.cpp
@@ -6,9 +6,9 @@
//
//===----------------------------------------------------------------------===//
+#include <cerrno>
+#include <cstdint>
#include <cstring>
-#include <errno.h>
-#include <stdint.h>
#include "lldb/Target/Process.h"
#include "lldb/Target/Target.h"
diff --git a/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_mips64.cpp b/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_mips64.cpp
index 261310cd5342b..e40542f724fcb 100644
--- a/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_mips64.cpp
+++ b/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_mips64.cpp
@@ -6,9 +6,9 @@
//
//===----------------------------------------------------------------------===//
+#include <cerrno>
+#include <cstdint>
#include <cstring>
-#include <errno.h>
-#include <stdint.h>
#include "lldb/Target/Process.h"
#include "lldb/Target/Target.h"
diff --git a/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_powerpc.cpp b/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_powerpc.cpp
index cd65b96d373e8..5c6855d753674 100644
--- a/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_powerpc.cpp
+++ b/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_powerpc.cpp
@@ -6,9 +6,9 @@
//
//===----------------------------------------------------------------------===//
+#include <cerrno>
+#include <cstdint>
#include <cstring>
-#include <errno.h>
-#include <stdint.h>
#include "lldb/Target/Process.h"
#include "lldb/Target/Target.h"
diff --git a/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_ppc64le.cpp b/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_ppc64le.cpp
index f670be2ef3c43..f70ddeba209c6 100644
--- a/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_ppc64le.cpp
+++ b/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_ppc64le.cpp
@@ -6,9 +6,9 @@
//
//===----------------------------------------------------------------------===//
+#include <cerrno>
+#include <cstdint>
#include <cstring>
-#include <errno.h>
-#include <stdint.h>
#include "lldb/Target/Process.h"
#include "lldb/Target/Target.h"
diff --git a/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_s390x.cpp b/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_s390x.cpp
index e746ec642b385..df5c33f6bb3a7 100644
--- a/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_s390x.cpp
+++ b/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_s390x.cpp
@@ -6,9 +6,9 @@
//
//===----------------------------------------------------------------------===//
+#include <cerrno>
+#include <cstdint>
#include <cstring>
-#include <errno.h>
-#include <stdint.h>
#include "lldb/Target/Process.h"
#include "lldb/Target/Target.h"
diff --git a/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_x86.cpp b/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_x86.cpp
index 2c7f63503d7c8..19e68f68284f8 100644
--- a/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_x86.cpp
+++ b/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_x86.cpp
@@ -6,9 +6,9 @@
//
//===----------------------------------------------------------------------===//
+#include <cerrno>
+#include <cstdint>
#include <cstring>
-#include <errno.h>
-#include <stdint.h>
#include "lldb/Target/Process.h"
#include "lldb/Target/Target.h"
diff --git a/lldb/source/Plugins/Process/Utility/RegisterInfoPOSIX_arm.cpp b/lldb/source/Plugins/Process/Utility/RegisterInfoPOSIX_arm.cpp
index 17b96f944cda2..63461f7ab2db5 100644
--- a/lldb/source/Plugins/Process/Utility/RegisterInfoPOSIX_arm.cpp
+++ b/lldb/source/Plugins/Process/Utility/RegisterInfoPOSIX_arm.cpp
@@ -7,7 +7,7 @@
//===---------------------------------------------------------------------===//
#include <cassert>
-#include <stddef.h>
+#include <cstddef>
#include <vector>
#include "lldb/lldb-defines.h"
diff --git a/lldb/source/Plugins/Process/Utility/RegisterInfoPOSIX_arm64.cpp b/lldb/source/Plugins/Process/Utility/RegisterInfoPOSIX_arm64.cpp
index 4a29c990ea134..b878534b39db8 100644
--- a/lldb/source/Plugins/Process/Utility/RegisterInfoPOSIX_arm64.cpp
+++ b/lldb/source/Plugins/Process/Utility/RegisterInfoPOSIX_arm64.cpp
@@ -7,7 +7,7 @@
//===---------------------------------------------------------------------===//
#include <cassert>
-#include <stddef.h>
+#include <cstddef>
#include <vector>
#include "lldb/lldb-defines.h"
diff --git a/lldb/source/Plugins/Process/Utility/RegisterInfoPOSIX_ppc64le.cpp b/lldb/source/Plugins/Process/Utility/RegisterInfoPOSIX_ppc64le.cpp
index 3461d38a3901a..159fd2856443c 100644
--- a/lldb/source/Plugins/Process/Utility/RegisterInfoPOSIX_ppc64le.cpp
+++ b/lldb/source/Plugins/Process/Utility/RegisterInfoPOSIX_ppc64le.cpp
@@ -7,7 +7,7 @@
//===---------------------------------------------------------------------===//
#include <cassert>
-#include <stddef.h>
+#include <cstddef>
#include <vector>
#include "lldb/lldb-defines.h"
diff --git a/lldb/source/Plugins/Process/Utility/RegisterInfos_arm.h b/lldb/source/Plugins/Process/Utility/RegisterInfos_arm.h
index 74b9e3b2db322..4af0069eb6f39 100644
--- a/lldb/source/Plugins/Process/Utility/RegisterInfos_arm.h
+++ b/lldb/source/Plugins/Process/Utility/RegisterInfos_arm.h
@@ -8,7 +8,7 @@
#ifdef DECLARE_REGISTER_INFOS_ARM_STRUCT
-#include <stddef.h>
+#include <cstddef>
#include "lldb/lldb-defines.h"
#include "lldb/lldb-enumerations.h"
diff --git a/lldb/source/Plugins/Process/Utility/RegisterInfos_arm64.h b/lldb/source/Plugins/Process/Utility/RegisterInfos_arm64.h
index 95b1f8f59bb46..47cedc31bcd7b 100644
--- a/lldb/source/Plugins/Process/Utility/RegisterInfos_arm64.h
+++ b/lldb/source/Plugins/Process/Utility/RegisterInfos_arm64.h
@@ -8,7 +8,7 @@
#ifdef DECLARE_REGISTER_INFOS_ARM64_STRUCT
-#include <stddef.h>
+#include <cstddef>
#include "lldb/lldb-defines.h"
#include "lldb/lldb-enumerations.h"
diff --git a/lldb/source/Plugins/Process/Utility/RegisterInfos_mips.h b/lldb/source/Plugins/Process/Utility/RegisterInfos_mips.h
index 08201fd1191c6..93f93d56fda2f 100644
--- a/lldb/source/Plugins/Process/Utility/RegisterInfos_mips.h
+++ b/lldb/source/Plugins/Process/Utility/RegisterInfos_mips.h
@@ -6,7 +6,7 @@
//
//===---------------------------------------------------------------------===//
-#include <stddef.h>
+#include <cstddef>
#include "lldb/Core/dwarf.h"
#include "llvm/Support/Compiler.h"
diff --git a/lldb/source/Plugins/Process/Utility/RegisterInfos_mips64.h b/lldb/source/Plugins/Process/Utility/RegisterInfos_mips64.h
index dc4da068dfa94..b28b91810e48a 100644
--- a/lldb/source/Plugins/Process/Utility/RegisterInfos_mips64.h
+++ b/lldb/source/Plugins/Process/Utility/RegisterInfos_mips64.h
@@ -6,7 +6,7 @@
//
//===----------------------------------------------------------------------===//
-#include <stddef.h>
+#include <cstddef>
#include "lldb/Core/dwarf.h"
#include "llvm/Support/Compiler.h"
diff --git a/lldb/source/Plugins/Process/Utility/RegisterInfos_powerpc.h b/lldb/source/Plugins/Process/Utility/RegisterInfos_powerpc.h
index 90863dfdb0906..04b4171b67229 100644
--- a/lldb/source/Plugins/Process/Utility/RegisterInfos_powerpc.h
+++ b/lldb/source/Plugins/Process/Utility/RegisterInfos_powerpc.h
@@ -6,7 +6,7 @@
//
//===---------------------------------------------------------------------===//
-#include <stddef.h>
+#include <cstddef>
// Computes the offset of the given GPR in the user data area.
#define GPR_OFFSET(regname) (offsetof(GPR, regname))
diff --git a/lldb/source/Plugins/Process/Utility/RegisterInfos_ppc64.h b/lldb/source/Plugins/Process/Utility/RegisterInfos_ppc64.h
index 1086d3db0b062..059dba45f9bb8 100644
--- a/lldb/source/Plugins/Process/Utility/RegisterInfos_ppc64.h
+++ b/lldb/source/Plugins/Process/Utility/RegisterInfos_ppc64.h
@@ -8,7 +8,7 @@
#ifdef DECLARE_REGISTER_INFOS_PPC64_STRUCT
-#include <stddef.h>
+#include <cstddef>
// Computes the offset of the given GPR_PPC64 in the user data area.
#define GPR_PPC64_OFFSET(regname) (offsetof(GPR_PPC64, regname))
diff --git a/lldb/source/Plugins/Process/Utility/RegisterInfos_ppc64le.h b/lldb/source/Plugins/Process/Utility/RegisterInfos_ppc64le.h
index 0b099a53d8755..9937da2f3050e 100644
--- a/lldb/source/Plugins/Process/Utility/RegisterInfos_ppc64le.h
+++ b/lldb/source/Plugins/Process/Utility/RegisterInfos_ppc64le.h
@@ -8,7 +8,7 @@
#ifdef DECLARE_REGISTER_INFOS_PPC64LE_STRUCT
-#include <stddef.h>
+#include <cstddef>
// Computes the offset of the given GPR in the user data area.
#define GPR_OFFSET(regname) (offsetof(GPR, regname))
diff --git a/lldb/source/Plugins/Process/Utility/RegisterInfos_s390x.h b/lldb/source/Plugins/Process/Utility/RegisterInfos_s390x.h
index 11344ff8ee797..d1df7c6062077 100644
--- a/lldb/source/Plugins/Process/Utility/RegisterInfos_s390x.h
+++ b/lldb/source/Plugins/Process/Utility/RegisterInfos_s390x.h
@@ -6,7 +6,7 @@
//
//===----------------------------------------------------------------------===//
-#include <stddef.h>
+#include <cstddef>
#include "llvm/Support/Compiler.h"
diff --git a/lldb/source/Plugins/Process/elf-core/ProcessElfCore.cpp b/lldb/source/Plugins/Process/elf-core/ProcessElfCore.cpp
index 78edd69d9aef1..21f1b93dc13a8 100644
--- a/lldb/source/Plugins/Process/elf-core/ProcessElfCore.cpp
+++ b/lldb/source/Plugins/Process/elf-core/ProcessElfCore.cpp
@@ -6,7 +6,7 @@
//
//===----------------------------------------------------------------------===//
-#include <stdlib.h>
+#include <cstdlib>
#include <memory>
#include <mutex>
diff --git a/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunication.cpp b/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunication.cpp
index 4981345d6a181..013d407c0fc11 100644
--- a/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunication.cpp
+++ b/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunication.cpp
@@ -8,9 +8,9 @@
#include "GDBRemoteCommunication.h"
+#include <climits>
+#include <cstring>
#include <future>
-#include <limits.h>
-#include <string.h>
#include <sys/stat.h>
#include "lldb/Core/StreamFile.h"
diff --git a/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.cpp b/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.cpp
index d709716d8e459..deb254e932a1a 100644
--- a/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.cpp
+++ b/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.cpp
@@ -8,7 +8,7 @@
#include "GDBRemoteCommunicationClient.h"
-#include <math.h>
+#include <cmath>
#include <sys/stat.h>
#include <numeric>
diff --git a/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationReplayServer.cpp b/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationReplayServer.cpp
index 920327e7d0abf..992adeea8fa1d 100644
--- a/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationReplayServer.cpp
+++ b/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationReplayServer.cpp
@@ -6,7 +6,7 @@
//
//===----------------------------------------------------------------------===//
-#include <errno.h>
+#include <cerrno>
#include "lldb/Host/Config.h"
#include "llvm/ADT/ScopeExit.h"
diff --git a/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServer.cpp b/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServer.cpp
index 2996717dae6a0..8b7231aa183e5 100644
--- a/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServer.cpp
+++ b/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServer.cpp
@@ -6,7 +6,7 @@
//
//===----------------------------------------------------------------------===//
-#include <errno.h>
+#include <cerrno>
#include "lldb/Host/Config.h"
diff --git a/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerCommon.cpp b/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerCommon.cpp
index 78ee77f787324..5ea7b09fe07f6 100644
--- a/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerCommon.cpp
+++ b/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerCommon.cpp
@@ -8,7 +8,7 @@
#include "GDBRemoteCommunicationServerCommon.h"
-#include <errno.h>
+#include <cerrno>
#ifdef __APPLE__
#include <TargetConditionals.h>
diff --git a/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerLLGS.cpp b/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerLLGS.cpp
index 1825bc8fa9e71..b6982f47df93b 100644
--- a/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerLLGS.cpp
+++ b/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerLLGS.cpp
@@ -6,7 +6,7 @@
//
//===----------------------------------------------------------------------===//
-#include <errno.h>
+#include <cerrno>
#include "lldb/Host/Config.h"
diff --git a/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerPlatform.cpp b/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerPlatform.cpp
index 3462fb7ec8b97..b7b6489394567 100644
--- a/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerPlatform.cpp
+++ b/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerPlatform.cpp
@@ -8,7 +8,7 @@
#include "GDBRemoteCommunicationServerPlatform.h"
-#include <errno.h>
+#include <cerrno>
#include <chrono>
#include <csignal>
diff --git a/lldb/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp b/lldb/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp
index f8e0567aeddb3..3028e2caa9a57 100644
--- a/lldb/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp
+++ b/lldb/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp
@@ -8,8 +8,8 @@
#include "lldb/Host/Config.h"
-#include <errno.h>
-#include <stdlib.h>
+#include <cerrno>
+#include <cstdlib>
#if LLDB_ENABLE_POSIX
#include <netinet/in.h>
#include <sys/mman.h>
@@ -20,8 +20,8 @@
#if defined(__APPLE__)
#include <sys/sysctl.h>
#endif
+#include <ctime>
#include <sys/types.h>
-#include <time.h>
#include <algorithm>
#include <csignal>
diff --git a/lldb/source/Plugins/Process/mach-core/ProcessMachCore.cpp b/lldb/source/Plugins/Process/mach-core/ProcessMachCore.cpp
index 44bdf0a6aba90..68c63b8902397 100644
--- a/lldb/source/Plugins/Process/mach-core/ProcessMachCore.cpp
+++ b/lldb/source/Plugins/Process/mach-core/ProcessMachCore.cpp
@@ -6,8 +6,8 @@
//
//===----------------------------------------------------------------------===//
-#include <errno.h>
-#include <stdlib.h>
+#include <cerrno>
+#include <cstdlib>
#include "llvm/Support/MathExtras.h"
#include "llvm/Support/Threading.h"
diff --git a/lldb/source/Plugins/Process/minidump/RegisterContextMinidump_ARM.cpp b/lldb/source/Plugins/Process/minidump/RegisterContextMinidump_ARM.cpp
index eb48785263fcb..7e309e8322a81 100644
--- a/lldb/source/Plugins/Process/minidump/RegisterContextMinidump_ARM.cpp
+++ b/lldb/source/Plugins/Process/minidump/RegisterContextMinidump_ARM.cpp
@@ -16,7 +16,7 @@
#include "lldb/lldb-enumerations.h"
// C includes
-#include <assert.h>
+#include <cassert>
// C++ includes
diff --git a/lldb/source/Plugins/Process/minidump/RegisterContextMinidump_ARM64.cpp b/lldb/source/Plugins/Process/minidump/RegisterContextMinidump_ARM64.cpp
index c7809c5f19b6c..e2b7c0e362a77 100644
--- a/lldb/source/Plugins/Process/minidump/RegisterContextMinidump_ARM64.cpp
+++ b/lldb/source/Plugins/Process/minidump/RegisterContextMinidump_ARM64.cpp
@@ -14,7 +14,7 @@
#include "lldb/lldb-enumerations.h"
// C includes
-#include <assert.h>
+#include <cassert>
// C++ includes
diff --git a/lldb/source/Plugins/ScriptInterpreter/Python/PythonDataObjects.cpp b/lldb/source/Plugins/ScriptInterpreter/Python/PythonDataObjects.cpp
index 7c49502f1b579..f51d9b3a796cb 100644
--- a/lldb/source/Plugins/ScriptInterpreter/Python/PythonDataObjects.cpp
+++ b/lldb/source/Plugins/ScriptInterpreter/Python/PythonDataObjects.cpp
@@ -24,7 +24,7 @@
#include "llvm/Support/ConvertUTF.h"
#include "llvm/Support/Errno.h"
-#include <stdio.h>
+#include <cstdio>
using namespace lldb_private;
using namespace lldb;
diff --git a/lldb/source/Plugins/ScriptInterpreter/Python/PythonReadline.cpp b/lldb/source/Plugins/ScriptInterpreter/Python/PythonReadline.cpp
index 5f6429f5cd0ec..95a3365ed983f 100644
--- a/lldb/source/Plugins/ScriptInterpreter/Python/PythonReadline.cpp
+++ b/lldb/source/Plugins/ScriptInterpreter/Python/PythonReadline.cpp
@@ -2,7 +2,7 @@
#ifdef LLDB_USE_LIBEDIT_READLINE_COMPAT_MODULE
-#include <stdio.h>
+#include <cstdio>
#include <editline/readline.h>
diff --git a/lldb/source/Plugins/ScriptInterpreter/Python/ScriptInterpreterPython.cpp b/lldb/source/Plugins/ScriptInterpreter/Python/ScriptInterpreterPython.cpp
index 5f3c0b27446ca..025c2eb4860de 100644
--- a/lldb/source/Plugins/ScriptInterpreter/Python/ScriptInterpreterPython.cpp
+++ b/lldb/source/Plugins/ScriptInterpreter/Python/ScriptInterpreterPython.cpp
@@ -45,10 +45,10 @@
#include "llvm/Support/FileSystem.h"
#include "llvm/Support/FormatAdapters.h"
+#include <cstdio>
+#include <cstdlib>
#include <memory>
#include <mutex>
-#include <stdio.h>
-#include <stdlib.h>
#include <string>
using namespace lldb;
diff --git a/lldb/source/Plugins/StructuredData/DarwinLog/StructuredDataDarwinLog.cpp b/lldb/source/Plugins/StructuredData/DarwinLog/StructuredDataDarwinLog.cpp
index f669e5873d2d0..ce9b346ae6bef 100644
--- a/lldb/source/Plugins/StructuredData/DarwinLog/StructuredDataDarwinLog.cpp
+++ b/lldb/source/Plugins/StructuredData/DarwinLog/StructuredDataDarwinLog.cpp
@@ -8,7 +8,7 @@
#include "StructuredDataDarwinLog.h"
-#include <string.h>
+#include <cstring>
#include <memory>
#include <sstream>
diff --git a/lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.cpp b/lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.cpp
index 744be00a99927..45c40c1c0c9ed 100644
--- a/lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.cpp
+++ b/lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.cpp
@@ -6,7 +6,7 @@
//
//===----------------------------------------------------------------------===//
-#include <stdlib.h>
+#include <cstdlib>
#include "DWARFASTParserClang.h"
#include "DWARFDebugInfo.h"
@@ -49,7 +49,7 @@
//#define ENABLE_DEBUG_PRINTF // COMMENT OUT THIS LINE PRIOR TO CHECKIN
#ifdef ENABLE_DEBUG_PRINTF
-#include <stdio.h>
+#include <cstdio>
#define DEBUG_PRINTF(fmt, ...) printf(fmt, __VA_ARGS__)
#else
#define DEBUG_PRINTF(fmt, ...)
diff --git a/lldb/source/Plugins/SymbolFile/DWARF/DWARFDebugInfoEntry.cpp b/lldb/source/Plugins/SymbolFile/DWARF/DWARFDebugInfoEntry.cpp
index a71babaadd1b2..39915aa889ff5 100644
--- a/lldb/source/Plugins/SymbolFile/DWARF/DWARFDebugInfoEntry.cpp
+++ b/lldb/source/Plugins/SymbolFile/DWARF/DWARFDebugInfoEntry.cpp
@@ -8,7 +8,7 @@
#include "DWARFDebugInfoEntry.h"
-#include <assert.h>
+#include <cassert>
#include <algorithm>
diff --git a/lldb/source/Plugins/SymbolFile/DWARF/DWARFDefines.h b/lldb/source/Plugins/SymbolFile/DWARF/DWARFDefines.h
index 1b7102cd7e317..2d0d5cad46122 100644
--- a/lldb/source/Plugins/SymbolFile/DWARF/DWARFDefines.h
+++ b/lldb/source/Plugins/SymbolFile/DWARF/DWARFDefines.h
@@ -10,7 +10,7 @@
#define LLDB_SOURCE_PLUGINS_SYMBOLFILE_DWARF_DWARFDEFINES_H
#include "lldb/Core/dwarf.h"
-#include <stdint.h>
+#include <cstdint>
namespace lldb_private {
diff --git a/lldb/source/Plugins/SymbolFile/DWARF/DWARFFormValue.cpp b/lldb/source/Plugins/SymbolFile/DWARF/DWARFFormValue.cpp
index ec78c5bbc9f4e..4c498705da45b 100644
--- a/lldb/source/Plugins/SymbolFile/DWARF/DWARFFormValue.cpp
+++ b/lldb/source/Plugins/SymbolFile/DWARF/DWARFFormValue.cpp
@@ -6,7 +6,7 @@
//
//===----------------------------------------------------------------------===//
-#include <assert.h>
+#include <cassert>
#include "lldb/Core/Module.h"
#include "lldb/Core/dwarf.h"
diff --git a/lldb/source/Plugins/SymbolFile/DWARF/DWARFFormValue.h b/lldb/source/Plugins/SymbolFile/DWARF/DWARFFormValue.h
index fe6a55520978f..9ca4cc1c8d970 100644
--- a/lldb/source/Plugins/SymbolFile/DWARF/DWARFFormValue.h
+++ b/lldb/source/Plugins/SymbolFile/DWARF/DWARFFormValue.h
@@ -10,8 +10,8 @@
#define LLDB_SOURCE_PLUGINS_SYMBOLFILE_DWARF_DWARFFORMVALUE_H
#include "DWARFDataExtractor.h"
-#include <stddef.h>
#include "llvm/ADT/Optional.h"
+#include <cstddef>
class DWARFUnit;
class SymbolFileDWARF;
diff --git a/lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp b/lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp
index 4b5f600bdb965..ec3bee2cbc5d5 100644
--- a/lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp
+++ b/lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp
@@ -81,13 +81,13 @@
#include <map>
#include <memory>
-#include <ctype.h>
-#include <string.h>
+#include <cctype>
+#include <cstring>
//#define ENABLE_DEBUG_PRINTF // COMMENT OUT THIS LINE PRIOR TO CHECKIN
#ifdef ENABLE_DEBUG_PRINTF
-#include <stdio.h>
+#include <cstdio>
#define DEBUG_PRINTF(fmt, ...) printf(fmt, __VA_ARGS__)
#else
#define DEBUG_PRINTF(fmt, ...)
diff --git a/lldb/source/Plugins/SymbolVendor/ELF/SymbolVendorELF.cpp b/lldb/source/Plugins/SymbolVendor/ELF/SymbolVendorELF.cpp
index 4df5140bd7e1a..9130eed63e43b 100644
--- a/lldb/source/Plugins/SymbolVendor/ELF/SymbolVendorELF.cpp
+++ b/lldb/source/Plugins/SymbolVendor/ELF/SymbolVendorELF.cpp
@@ -8,7 +8,7 @@
#include "SymbolVendorELF.h"
-#include <string.h>
+#include <cstring>
#include "Plugins/ObjectFile/ELF/ObjectFileELF.h"
#include "lldb/Core/Module.h"
diff --git a/lldb/source/Plugins/SymbolVendor/MacOSX/SymbolVendorMacOSX.cpp b/lldb/source/Plugins/SymbolVendor/MacOSX/SymbolVendorMacOSX.cpp
index 605a35dc62893..cd1acebd68057 100644
--- a/lldb/source/Plugins/SymbolVendor/MacOSX/SymbolVendorMacOSX.cpp
+++ b/lldb/source/Plugins/SymbolVendor/MacOSX/SymbolVendorMacOSX.cpp
@@ -8,7 +8,7 @@
#include "SymbolVendorMacOSX.h"
-#include <string.h>
+#include <cstring>
#include "Plugins/ObjectFile/Mach-O/ObjectFileMachO.h"
#include "lldb/Core/Module.h"
diff --git a/lldb/source/Plugins/SymbolVendor/wasm/SymbolVendorWasm.cpp b/lldb/source/Plugins/SymbolVendor/wasm/SymbolVendorWasm.cpp
index 67a1ef5e4e515..2b28407965795 100644
--- a/lldb/source/Plugins/SymbolVendor/wasm/SymbolVendorWasm.cpp
+++ b/lldb/source/Plugins/SymbolVendor/wasm/SymbolVendorWasm.cpp
@@ -8,7 +8,7 @@
#include "SymbolVendorWasm.h"
-#include <string.h>
+#include <cstring>
#include "Plugins/ObjectFile/wasm/ObjectFileWasm.h"
#include "lldb/Core/Module.h"
diff --git a/lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp b/lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp
index 6f13325824eae..c7bfdda2e13e2 100644
--- a/lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp
+++ b/lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp
@@ -75,7 +75,7 @@
#include "Plugins/SymbolFile/DWARF/DWARFASTParserClang.h"
#include "Plugins/SymbolFile/PDB/PDBASTParser.h"
-#include <stdio.h>
+#include <cstdio>
#include <mutex>
diff --git a/lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.h b/lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.h
index 45c84e7447acb..1a64a557e0a20 100644
--- a/lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.h
+++ b/lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.h
@@ -9,7 +9,7 @@
#ifndef LLDB_SOURCE_PLUGINS_TYPESYSTEM_CLANG_TYPESYSTEMCLANG_H
#define LLDB_SOURCE_PLUGINS_TYPESYSTEM_CLANG_TYPESYSTEMCLANG_H
-#include <stdint.h>
+#include <cstdint>
#include <functional>
#include <initializer_list>
diff --git a/lldb/source/Symbol/Type.cpp b/lldb/source/Symbol/Type.cpp
index 8c677485ffdf6..78419704cfee6 100644
--- a/lldb/source/Symbol/Type.cpp
+++ b/lldb/source/Symbol/Type.cpp
@@ -6,7 +6,7 @@
//
//===----------------------------------------------------------------------===//
-#include <stdio.h>
+#include <cstdio>
#include "lldb/Core/Module.h"
#include "lldb/Utility/DataBufferHeap.h"
diff --git a/lldb/source/Symbol/UnwindTable.cpp b/lldb/source/Symbol/UnwindTable.cpp
index 3faa528a339f9..5bc844982267f 100644
--- a/lldb/source/Symbol/UnwindTable.cpp
+++ b/lldb/source/Symbol/UnwindTable.cpp
@@ -8,7 +8,7 @@
#include "lldb/Symbol/UnwindTable.h"
-#include <stdio.h>
+#include <cstdio>
#include "lldb/Core/Module.h"
#include "lldb/Core/Section.h"
diff --git a/lldb/source/Target/ModuleCache.cpp b/lldb/source/Target/ModuleCache.cpp
index 20661a7b7a25e..dcdc0772b31a1 100644
--- a/lldb/source/Target/ModuleCache.cpp
+++ b/lldb/source/Target/ModuleCache.cpp
@@ -17,7 +17,7 @@
#include "llvm/Support/FileSystem.h"
#include "llvm/Support/FileUtilities.h"
-#include <assert.h>
+#include <cassert>
#include <cstdio>
diff --git a/lldb/source/Target/ThreadCollection.cpp b/lldb/source/Target/ThreadCollection.cpp
index 05b041c20dd0a..8c2309795a4c6 100644
--- a/lldb/source/Target/ThreadCollection.cpp
+++ b/lldb/source/Target/ThreadCollection.cpp
@@ -5,7 +5,7 @@
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
-#include <stdlib.h>
+#include <cstdlib>
#include <algorithm>
#include <mutex>
diff --git a/lldb/source/Target/ThreadList.cpp b/lldb/source/Target/ThreadList.cpp
index 032dcc9e5fbd8..df2cc8ef6328b 100644
--- a/lldb/source/Target/ThreadList.cpp
+++ b/lldb/source/Target/ThreadList.cpp
@@ -6,7 +6,7 @@
//
//===----------------------------------------------------------------------===//
-#include <stdlib.h>
+#include <cstdlib>
#include <algorithm>
diff --git a/lldb/source/Utility/Broadcaster.cpp b/lldb/source/Utility/Broadcaster.cpp
index 342548c0b0e61..6e06724963210 100644
--- a/lldb/source/Utility/Broadcaster.cpp
+++ b/lldb/source/Utility/Broadcaster.cpp
@@ -19,8 +19,8 @@
#include <memory>
#include <utility>
-#include <assert.h>
-#include <stddef.h>
+#include <cassert>
+#include <cstddef>
using namespace lldb;
using namespace lldb_private;
diff --git a/lldb/source/Utility/ConstString.cpp b/lldb/source/Utility/ConstString.cpp
index 11f48d0fcaba4..3f649b15ca2aa 100644
--- a/lldb/source/Utility/ConstString.cpp
+++ b/lldb/source/Utility/ConstString.cpp
@@ -21,9 +21,9 @@
#include <array>
#include <utility>
-#include <inttypes.h>
-#include <stdint.h>
-#include <string.h>
+#include <cinttypes>
+#include <cstdint>
+#include <cstring>
using namespace lldb_private;
diff --git a/lldb/source/Utility/DataBufferLLVM.cpp b/lldb/source/Utility/DataBufferLLVM.cpp
index 235123a31ceea..afd633ae677bd 100644
--- a/lldb/source/Utility/DataBufferLLVM.cpp
+++ b/lldb/source/Utility/DataBufferLLVM.cpp
@@ -10,7 +10,7 @@
#include "llvm/Support/MemoryBuffer.h"
-#include <assert.h>
+#include <cassert>
using namespace lldb_private;
diff --git a/lldb/source/Utility/DataEncoder.cpp b/lldb/source/Utility/DataEncoder.cpp
index 7532ac1fdcafc..9c8f10d8c142a 100644
--- a/lldb/source/Utility/DataEncoder.cpp
+++ b/lldb/source/Utility/DataEncoder.cpp
@@ -16,7 +16,7 @@
#include <cstddef>
-#include <string.h>
+#include <cstring>
using namespace lldb;
using namespace lldb_private;
diff --git a/lldb/source/Utility/DataExtractor.cpp b/lldb/source/Utility/DataExtractor.cpp
index 64b878d7dee74..b31f44c8f7f9c 100644
--- a/lldb/source/Utility/DataExtractor.cpp
+++ b/lldb/source/Utility/DataExtractor.cpp
@@ -33,9 +33,9 @@
#include <cstdint>
#include <string>
-#include <ctype.h>
-#include <inttypes.h>
-#include <string.h>
+#include <cctype>
+#include <cinttypes>
+#include <cstring>
using namespace lldb;
using namespace lldb_private;
diff --git a/lldb/source/Utility/Event.cpp b/lldb/source/Utility/Event.cpp
index 50cc7f061dc6a..3a4ef4d1e117c 100644
--- a/lldb/source/Utility/Event.cpp
+++ b/lldb/source/Utility/Event.cpp
@@ -17,7 +17,7 @@
#include <algorithm>
-#include <ctype.h>
+#include <cctype>
using namespace lldb;
using namespace lldb_private;
diff --git a/lldb/source/Utility/FileSpec.cpp b/lldb/source/Utility/FileSpec.cpp
index 1ec5d60e27804..39ad8fc8fa4c9 100644
--- a/lldb/source/Utility/FileSpec.cpp
+++ b/lldb/source/Utility/FileSpec.cpp
@@ -24,10 +24,10 @@
#include <system_error>
#include <vector>
-#include <assert.h>
-#include <limits.h>
-#include <stdio.h>
-#include <string.h>
+#include <cassert>
+#include <climits>
+#include <cstdio>
+#include <cstring>
using namespace lldb;
using namespace lldb_private;
diff --git a/lldb/source/Utility/GDBRemote.cpp b/lldb/source/Utility/GDBRemote.cpp
index 40448257b9e09..659ab2e75add8 100644
--- a/lldb/source/Utility/GDBRemote.cpp
+++ b/lldb/source/Utility/GDBRemote.cpp
@@ -11,7 +11,7 @@
#include "lldb/Utility/Flags.h"
#include "lldb/Utility/Stream.h"
-#include <stdio.h>
+#include <cstdio>
using namespace lldb;
using namespace lldb_private::repro;
diff --git a/lldb/source/Utility/Log.cpp b/lldb/source/Utility/Log.cpp
index 4df82f2bf4d7b..1e19208df6b92 100644
--- a/lldb/source/Utility/Log.cpp
+++ b/lldb/source/Utility/Log.cpp
@@ -25,7 +25,7 @@
#include <mutex>
#include <utility>
-#include <assert.h>
+#include <cassert>
#if defined(_WIN32)
#include <process.h>
#else
diff --git a/lldb/source/Utility/Logging.cpp b/lldb/source/Utility/Logging.cpp
index 435017e9d7448..4648bec502c54 100644
--- a/lldb/source/Utility/Logging.cpp
+++ b/lldb/source/Utility/Logging.cpp
@@ -11,7 +11,7 @@
#include "llvm/ADT/ArrayRef.h"
-#include <stdarg.h>
+#include <cstdarg>
using namespace lldb_private;
diff --git a/lldb/source/Utility/RegisterValue.cpp b/lldb/source/Utility/RegisterValue.cpp
index 7848f784d8f2b..a298c70d370bc 100644
--- a/lldb/source/Utility/RegisterValue.cpp
+++ b/lldb/source/Utility/RegisterValue.cpp
@@ -24,9 +24,9 @@
#include <tuple>
#include <vector>
-#include <assert.h>
-#include <inttypes.h>
-#include <stdio.h>
+#include <cassert>
+#include <cinttypes>
+#include <cstdio>
using namespace lldb;
using namespace lldb_private;
diff --git a/lldb/source/Utility/ReproducerInstrumentation.cpp b/lldb/source/Utility/ReproducerInstrumentation.cpp
index b274a10c98fda..6b729dacb6e0a 100644
--- a/lldb/source/Utility/ReproducerInstrumentation.cpp
+++ b/lldb/source/Utility/ReproducerInstrumentation.cpp
@@ -8,9 +8,9 @@
#include "lldb/Utility/ReproducerInstrumentation.h"
#include "lldb/Utility/Reproducer.h"
+#include <cstdio>
+#include <cstdlib>
#include <limits>
-#include <stdio.h>
-#include <stdlib.h>
#include <thread>
using namespace lldb_private;
diff --git a/lldb/source/Utility/SelectHelper.cpp b/lldb/source/Utility/SelectHelper.cpp
index 40c85bee60728..059f810e21949 100644
--- a/lldb/source/Utility/SelectHelper.cpp
+++ b/lldb/source/Utility/SelectHelper.cpp
@@ -25,7 +25,7 @@
#include <algorithm>
#include <chrono>
-#include <errno.h>
+#include <cerrno>
#if defined(_WIN32)
// Define NOMINMAX to avoid macros that conflict with std::min and std::max
#define NOMINMAX
diff --git a/lldb/source/Utility/Status.cpp b/lldb/source/Utility/Status.cpp
index e3c4284a8e8a5..02e2697488680 100644
--- a/lldb/source/Utility/Status.cpp
+++ b/lldb/source/Utility/Status.cpp
@@ -28,7 +28,7 @@
#ifdef _WIN32
#include <windows.h>
#endif
-#include <stdint.h>
+#include <cstdint>
namespace llvm {
class raw_ostream;
diff --git a/lldb/source/Utility/Stream.cpp b/lldb/source/Utility/Stream.cpp
index a0623bfa6e54a..ea9c2dabdfa73 100644
--- a/lldb/source/Utility/Stream.cpp
+++ b/lldb/source/Utility/Stream.cpp
@@ -16,8 +16,8 @@
#include <string>
-#include <inttypes.h>
-#include <stddef.h>
+#include <cinttypes>
+#include <cstddef>
using namespace lldb;
using namespace lldb_private;
diff --git a/lldb/source/Utility/StringExtractor.cpp b/lldb/source/Utility/StringExtractor.cpp
index 0553a63a021e2..f5d3577c4a9cb 100644
--- a/lldb/source/Utility/StringExtractor.cpp
+++ b/lldb/source/Utility/StringExtractor.cpp
@@ -11,9 +11,9 @@
#include <tuple>
-#include <ctype.h>
-#include <stdlib.h>
-#include <string.h>
+#include <cctype>
+#include <cstdlib>
+#include <cstring>
static inline int xdigit_to_sint(char ch) {
if (ch >= 'a' && ch <= 'f')
diff --git a/lldb/source/Utility/StringExtractorGDBRemote.cpp b/lldb/source/Utility/StringExtractorGDBRemote.cpp
index dd8064ffc5900..ea4b9ef95a382 100644
--- a/lldb/source/Utility/StringExtractorGDBRemote.cpp
+++ b/lldb/source/Utility/StringExtractorGDBRemote.cpp
@@ -8,8 +8,8 @@
#include "lldb/Utility/StringExtractorGDBRemote.h"
-#include <ctype.h>
-#include <string.h>
+#include <cctype>
+#include <cstring>
constexpr lldb::pid_t StringExtractorGDBRemote::AllProcesses;
constexpr lldb::tid_t StringExtractorGDBRemote::AllThreads;
diff --git a/lldb/source/Utility/StringLexer.cpp b/lldb/source/Utility/StringLexer.cpp
index 26185517e2753..bda6e25ce7a35 100644
--- a/lldb/source/Utility/StringLexer.cpp
+++ b/lldb/source/Utility/StringLexer.cpp
@@ -9,7 +9,7 @@
#include "lldb/Utility/StringLexer.h"
#include <algorithm>
-#include <assert.h>
+#include <cassert>
#include <utility>
using namespace lldb_private;
diff --git a/lldb/source/Utility/StringList.cpp b/lldb/source/Utility/StringList.cpp
index d3896ca60ac9c..fc097dd9dba59 100644
--- a/lldb/source/Utility/StringList.cpp
+++ b/lldb/source/Utility/StringList.cpp
@@ -14,8 +14,8 @@
#include "llvm/ADT/ArrayRef.h"
#include <algorithm>
-#include <stdint.h>
-#include <string.h>
+#include <cstdint>
+#include <cstring>
using namespace lldb_private;
diff --git a/lldb/source/Utility/StructuredData.cpp b/lldb/source/Utility/StructuredData.cpp
index b349de7b0b781..fc10fa539e9e5 100644
--- a/lldb/source/Utility/StructuredData.cpp
+++ b/lldb/source/Utility/StructuredData.cpp
@@ -11,8 +11,8 @@
#include "lldb/Utility/Status.h"
#include "llvm/Support/MemoryBuffer.h"
#include <cerrno>
+#include <cinttypes>
#include <cstdlib>
-#include <inttypes.h>
using namespace lldb_private;
using namespace llvm;
diff --git a/lldb/source/Utility/TildeExpressionResolver.cpp b/lldb/source/Utility/TildeExpressionResolver.cpp
index 75d9c47e656dd..29dc7f4370440 100644
--- a/lldb/source/Utility/TildeExpressionResolver.cpp
+++ b/lldb/source/Utility/TildeExpressionResolver.cpp
@@ -8,7 +8,7 @@
#include "lldb/Utility/TildeExpressionResolver.h"
-#include <assert.h>
+#include <cassert>
#include <system_error>
#include "llvm/ADT/STLExtras.h"
diff --git a/lldb/source/Utility/Timer.cpp b/lldb/source/Utility/Timer.cpp
index 7ead51069529f..2f3afe4c87037 100644
--- a/lldb/source/Utility/Timer.cpp
+++ b/lldb/source/Utility/Timer.cpp
@@ -16,10 +16,10 @@
#include <utility>
#include <vector>
-#include <assert.h>
-#include <inttypes.h>
-#include <stdarg.h>
-#include <stdio.h>
+#include <cassert>
+#include <cinttypes>
+#include <cstdarg>
+#include <cstdio>
using namespace lldb_private;
diff --git a/lldb/source/Utility/UUID.cpp b/lldb/source/Utility/UUID.cpp
index 73088fb22db84..0adeb06e4c048 100644
--- a/lldb/source/Utility/UUID.cpp
+++ b/lldb/source/Utility/UUID.cpp
@@ -12,9 +12,9 @@
#include "llvm/ADT/StringRef.h"
#include "llvm/Support/Format.h"
-#include <ctype.h>
-#include <stdio.h>
-#include <string.h>
+#include <cctype>
+#include <cstdio>
+#include <cstring>
using namespace lldb_private;
diff --git a/lldb/source/Utility/UriParser.cpp b/lldb/source/Utility/UriParser.cpp
index 8169b0eee121a..c6ed249858965 100644
--- a/lldb/source/Utility/UriParser.cpp
+++ b/lldb/source/Utility/UriParser.cpp
@@ -10,7 +10,7 @@
#include <string>
-#include <stdint.h>
+#include <cstdint>
#include <tuple>
using namespace lldb_private;
diff --git a/lldb/source/Utility/UserID.cpp b/lldb/source/Utility/UserID.cpp
index 8e0146b934982..5bae91a912885 100644
--- a/lldb/source/Utility/UserID.cpp
+++ b/lldb/source/Utility/UserID.cpp
@@ -9,7 +9,7 @@
#include "lldb/Utility/UserID.h"
#include "lldb/Utility/Stream.h"
-#include <inttypes.h>
+#include <cinttypes>
using namespace lldb;
using namespace lldb_private;
diff --git a/lldb/source/Utility/VASprintf.cpp b/lldb/source/Utility/VASprintf.cpp
index aea68dfff9f11..5d361edf06e6c 100644
--- a/lldb/source/Utility/VASprintf.cpp
+++ b/lldb/source/Utility/VASprintf.cpp
@@ -12,9 +12,9 @@
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/StringRef.h"
-#include <assert.h>
-#include <stdarg.h>
-#include <stdio.h>
+#include <cassert>
+#include <cstdarg>
+#include <cstdio>
bool lldb_private::VASprintf(llvm::SmallVectorImpl<char> &buf, const char *fmt,
va_list args) {
diff --git a/lldb/source/Utility/VMRange.cpp b/lldb/source/Utility/VMRange.cpp
index 16c50d6e81b89..184531b4bb272 100644
--- a/lldb/source/Utility/VMRange.cpp
+++ b/lldb/source/Utility/VMRange.cpp
@@ -15,8 +15,8 @@
#include <iterator>
#include <vector>
-#include <stddef.h>
-#include <stdint.h>
+#include <cstddef>
+#include <cstdint>
using namespace lldb;
using namespace lldb_private;
diff --git a/lldb/tools/darwin-debug/darwin-debug.cpp b/lldb/tools/darwin-debug/darwin-debug.cpp
index b184cb5a65248..435a3d11424b5 100644
--- a/lldb/tools/darwin-debug/darwin-debug.cpp
+++ b/lldb/tools/darwin-debug/darwin-debug.cpp
@@ -21,15 +21,15 @@
// on other systems.
#if defined(__APPLE__)
+#include <climits>
#include <crt_externs.h>
+#include <csignal>
+#include <cstdio>
+#include <cstdlib>
+#include <cstring>
#include <getopt.h>
-#include <limits.h>
#include <mach/machine.h>
-#include <signal.h>
#include <spawn.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include <sys/types.h>
diff --git a/lldb/tools/debugserver/source/DNB.cpp b/lldb/tools/debugserver/source/DNB.cpp
index 37c8cf5e6542c..858e6af72745c 100644
--- a/lldb/tools/debugserver/source/DNB.cpp
+++ b/lldb/tools/debugserver/source/DNB.cpp
@@ -11,12 +11,12 @@
//===----------------------------------------------------------------------===//
#include "DNB.h"
-#include <inttypes.h>
+#include <cinttypes>
+#include <csignal>
+#include <cstdio>
+#include <cstdlib>
#include <libproc.h>
#include <map>
-#include <signal.h>
-#include <stdio.h>
-#include <stdlib.h>
#include <sys/resource.h>
#include <sys/stat.h>
#include <sys/sysctl.h>
diff --git a/lldb/tools/debugserver/source/DNBArch.cpp b/lldb/tools/debugserver/source/DNBArch.cpp
index f3848bc19bf9c..54a055def9b62 100644
--- a/lldb/tools/debugserver/source/DNBArch.cpp
+++ b/lldb/tools/debugserver/source/DNBArch.cpp
@@ -11,7 +11,7 @@
//===----------------------------------------------------------------------===//
#include "DNBArch.h"
-#include <assert.h>
+#include <cassert>
#include <mach/mach.h>
#include <map>
diff --git a/lldb/tools/debugserver/source/DNBArch.h b/lldb/tools/debugserver/source/DNBArch.h
index 1bea583dede4b..b673e403feb43 100644
--- a/lldb/tools/debugserver/source/DNBArch.h
+++ b/lldb/tools/debugserver/source/DNBArch.h
@@ -16,8 +16,8 @@
#include "DNBDefs.h"
#include "MacOSX/MachException.h"
+#include <cstdio>
#include <mach/mach.h>
-#include <stdio.h>
struct DNBRegisterValue;
struct DNBRegisterSetInfo;
diff --git a/lldb/tools/debugserver/source/DNBBreakpoint.cpp b/lldb/tools/debugserver/source/DNBBreakpoint.cpp
index 890bde024bf0c..9f402b4f0b1ab 100644
--- a/lldb/tools/debugserver/source/DNBBreakpoint.cpp
+++ b/lldb/tools/debugserver/source/DNBBreakpoint.cpp
@@ -14,8 +14,8 @@
#include "DNBLog.h"
#include "MachProcess.h"
#include <algorithm>
-#include <assert.h>
-#include <inttypes.h>
+#include <cassert>
+#include <cinttypes>
#pragma mark-- DNBBreakpoint
DNBBreakpoint::DNBBreakpoint(nub_addr_t addr, nub_size_t byte_size,
diff --git a/lldb/tools/debugserver/source/DNBDataRef.cpp b/lldb/tools/debugserver/source/DNBDataRef.cpp
index f19c913f65d3b..c6355f167dc4b 100644
--- a/lldb/tools/debugserver/source/DNBDataRef.cpp
+++ b/lldb/tools/debugserver/source/DNBDataRef.cpp
@@ -12,8 +12,8 @@
#include "DNBDataRef.h"
#include "DNBLog.h"
-#include <assert.h>
-#include <ctype.h>
+#include <cassert>
+#include <cctype>
#include <libkern/OSByteOrder.h>
// Constructor
diff --git a/lldb/tools/debugserver/source/DNBDataRef.h b/lldb/tools/debugserver/source/DNBDataRef.h
index 4a79dc442be21..c8688eb6a1d89 100644
--- a/lldb/tools/debugserver/source/DNBDataRef.h
+++ b/lldb/tools/debugserver/source/DNBDataRef.h
@@ -23,10 +23,10 @@
#define LLDB_TOOLS_DEBUGSERVER_SOURCE_DNBDATAREF_H
#include "DNBDefs.h"
-#include <limits.h>
-#include <stdint.h>
-#include <stdio.h>
-#include <string.h>
+#include <climits>
+#include <cstdint>
+#include <cstdio>
+#include <cstring>
class DNBDataRef {
public:
diff --git a/lldb/tools/debugserver/source/DNBDefs.h b/lldb/tools/debugserver/source/DNBDefs.h
index 49f8d6decb3cf..c6b894521a711 100644
--- a/lldb/tools/debugserver/source/DNBDefs.h
+++ b/lldb/tools/debugserver/source/DNBDefs.h
@@ -13,9 +13,9 @@
#ifndef LLDB_TOOLS_DEBUGSERVER_SOURCE_DNBDEFS_H
#define LLDB_TOOLS_DEBUGSERVER_SOURCE_DNBDEFS_H
-#include <signal.h>
-#include <stdint.h>
-#include <stdio.h>
+#include <csignal>
+#include <cstdint>
+#include <cstdio>
#include <sys/syslimits.h>
#include <unistd.h>
diff --git a/lldb/tools/debugserver/source/DNBError.h b/lldb/tools/debugserver/source/DNBError.h
index 8da3f6c1e3a13..9b6b0c7bcaf83 100644
--- a/lldb/tools/debugserver/source/DNBError.h
+++ b/lldb/tools/debugserver/source/DNBError.h
@@ -13,9 +13,9 @@
#ifndef LLDB_TOOLS_DEBUGSERVER_SOURCE_DNBERROR_H
#define LLDB_TOOLS_DEBUGSERVER_SOURCE_DNBERROR_H
-#include <errno.h>
+#include <cerrno>
+#include <cstdio>
#include <mach/mach.h>
-#include <stdio.h>
#include <string>
class DNBError {
diff --git a/lldb/tools/debugserver/source/DNBLog.cpp b/lldb/tools/debugserver/source/DNBLog.cpp
index 11b2d0a04b763..d3045ace16f3d 100644
--- a/lldb/tools/debugserver/source/DNBLog.cpp
+++ b/lldb/tools/debugserver/source/DNBLog.cpp
@@ -18,11 +18,11 @@ static int g_verbose = 0;
#if defined(DNBLOG_ENABLED)
#include "PThreadMutex.h"
+#include <cstdarg>
+#include <cstdio>
+#include <cstdlib>
#include <mach/mach.h>
#include <pthread.h>
-#include <stdarg.h>
-#include <stdio.h>
-#include <stdlib.h>
#include <sys/time.h>
#include <unistd.h>
diff --git a/lldb/tools/debugserver/source/DNBLog.h b/lldb/tools/debugserver/source/DNBLog.h
index 6a3e34c1383ec..3b17b46eebff3 100644
--- a/lldb/tools/debugserver/source/DNBLog.h
+++ b/lldb/tools/debugserver/source/DNBLog.h
@@ -14,8 +14,8 @@
#define LLDB_TOOLS_DEBUGSERVER_SOURCE_DNBLOG_H
#include "DNBDefs.h"
-#include <stdint.h>
-#include <stdio.h>
+#include <cstdint>
+#include <cstdio>
#ifdef __cplusplus
extern "C" {
diff --git a/lldb/tools/debugserver/source/DNBRegisterInfo.cpp b/lldb/tools/debugserver/source/DNBRegisterInfo.cpp
index c224fc7056dcf..e6b8e1b6426e7 100644
--- a/lldb/tools/debugserver/source/DNBRegisterInfo.cpp
+++ b/lldb/tools/debugserver/source/DNBRegisterInfo.cpp
@@ -12,7 +12,7 @@
#include "DNBRegisterInfo.h"
#include "DNBLog.h"
-#include <string.h>
+#include <cstring>
DNBRegisterValueClass::DNBRegisterValueClass(const DNBRegisterInfo *regInfo) {
Clear();
diff --git a/lldb/tools/debugserver/source/DNBRegisterInfo.h b/lldb/tools/debugserver/source/DNBRegisterInfo.h
index c17ce3a7e18e9..05992b9f15db8 100644
--- a/lldb/tools/debugserver/source/DNBRegisterInfo.h
+++ b/lldb/tools/debugserver/source/DNBRegisterInfo.h
@@ -14,8 +14,8 @@
#define LLDB_TOOLS_DEBUGSERVER_SOURCE_DNBREGISTERINFO_H
#include "DNBDefs.h"
-#include <stdint.h>
-#include <stdio.h>
+#include <cstdint>
+#include <cstdio>
struct DNBRegisterValueClass : public DNBRegisterValue {
#ifdef __cplusplus
diff --git a/lldb/tools/debugserver/source/DNBTimer.h b/lldb/tools/debugserver/source/DNBTimer.h
index 80232494b5f8a..a6570b2e8ea62 100644
--- a/lldb/tools/debugserver/source/DNBTimer.h
+++ b/lldb/tools/debugserver/source/DNBTimer.h
@@ -15,8 +15,8 @@
#include "DNBDefs.h"
#include "PThreadMutex.h"
+#include <cstdint>
#include <memory>
-#include <stdint.h>
#include <sys/time.h>
class DNBTimer {
diff --git a/lldb/tools/debugserver/source/JSON.cpp b/lldb/tools/debugserver/source/JSON.cpp
index 12d96d4ed4dbd..5eff683a080b8 100644
--- a/lldb/tools/debugserver/source/JSON.cpp
+++ b/lldb/tools/debugserver/source/JSON.cpp
@@ -9,8 +9,8 @@
#include "JSON.h"
// C includes
-#include <assert.h>
-#include <limits.h>
+#include <cassert>
+#include <climits>
// C++ includes
#include "lldb/Host/StringConvert.h"
diff --git a/lldb/tools/debugserver/source/JSON.h b/lldb/tools/debugserver/source/JSON.h
index 5bcc67c18b947..b2214d43e42f2 100644
--- a/lldb/tools/debugserver/source/JSON.h
+++ b/lldb/tools/debugserver/source/JSON.h
@@ -12,8 +12,8 @@
#include "StdStringExtractor.h"
// C includes
-#include <inttypes.h>
-#include <stdint.h>
+#include <cinttypes>
+#include <cstdint>
// C++ includes
#include <map>
diff --git a/lldb/tools/debugserver/source/MacOSX/MachException.cpp b/lldb/tools/debugserver/source/MacOSX/MachException.cpp
index 8690960e4cd44..db154d160b41a 100644
--- a/lldb/tools/debugserver/source/MacOSX/MachException.cpp
+++ b/lldb/tools/debugserver/source/MacOSX/MachException.cpp
@@ -17,7 +17,7 @@
#include "MachProcess.h"
#include "PThreadMutex.h"
#include "SysSignal.h"
-#include <errno.h>
+#include <cerrno>
#include <sys/ptrace.h>
#include <sys/types.h>
diff --git a/lldb/tools/debugserver/source/MacOSX/MachThread.cpp b/lldb/tools/debugserver/source/MacOSX/MachThread.cpp
index d2423a5decaa0..d34914be80204 100644
--- a/lldb/tools/debugserver/source/MacOSX/MachThread.cpp
+++ b/lldb/tools/debugserver/source/MacOSX/MachThread.cpp
@@ -15,8 +15,8 @@
#include "DNBLog.h"
#include "MachProcess.h"
#include "ThreadInfo.h"
+#include <cinttypes>
#include <dlfcn.h>
-#include <inttypes.h>
#include <mach/thread_policy.h>
static uint32_t GetSequenceID() {
diff --git a/lldb/tools/debugserver/source/MacOSX/MachThreadList.cpp b/lldb/tools/debugserver/source/MacOSX/MachThreadList.cpp
index ce63b0fd63447..71a33adf3e515 100644
--- a/lldb/tools/debugserver/source/MacOSX/MachThreadList.cpp
+++ b/lldb/tools/debugserver/source/MacOSX/MachThreadList.cpp
@@ -17,7 +17,7 @@
#include "DNBThreadResumeActions.h"
#include "MachProcess.h"
-#include <inttypes.h>
+#include <cinttypes>
#include <sys/sysctl.h>
#include <memory>
diff --git a/lldb/tools/debugserver/source/MacOSX/MachVMRegion.cpp b/lldb/tools/debugserver/source/MacOSX/MachVMRegion.cpp
index 6cb3429225253..ed2964cbc43a7 100644
--- a/lldb/tools/debugserver/source/MacOSX/MachVMRegion.cpp
+++ b/lldb/tools/debugserver/source/MacOSX/MachVMRegion.cpp
@@ -12,7 +12,7 @@
#include "MachVMRegion.h"
#include "DNBLog.h"
-#include <assert.h>
+#include <cassert>
#include <mach/mach_vm.h>
MachVMRegion::MachVMRegion(task_t task)
diff --git a/lldb/tools/debugserver/source/MacOSX/arm/DNBArchImpl.cpp b/lldb/tools/debugserver/source/MacOSX/arm/DNBArchImpl.cpp
index 6a6f2fd09bd3d..0748223c4217e 100644
--- a/lldb/tools/debugserver/source/MacOSX/arm/DNBArchImpl.cpp
+++ b/lldb/tools/debugserver/source/MacOSX/arm/DNBArchImpl.cpp
@@ -22,7 +22,7 @@
#include "MacOSX/MachProcess.h"
#include "MacOSX/MachThread.h"
-#include <inttypes.h>
+#include <cinttypes>
#include <sys/sysctl.h>
// BCR address match type
diff --git a/lldb/tools/debugserver/source/MacOSX/arm64/DNBArchImplARM64.cpp b/lldb/tools/debugserver/source/MacOSX/arm64/DNBArchImplARM64.cpp
index bed54f93e29cb..69a833303c932 100644
--- a/lldb/tools/debugserver/source/MacOSX/arm64/DNBArchImplARM64.cpp
+++ b/lldb/tools/debugserver/source/MacOSX/arm64/DNBArchImplARM64.cpp
@@ -23,7 +23,7 @@
#include "MacOSX/MachProcess.h"
#include "MacOSX/MachThread.h"
-#include <inttypes.h>
+#include <cinttypes>
#include <sys/sysctl.h>
#if __has_feature(ptrauth_calls)
diff --git a/lldb/tools/debugserver/source/MacOSX/i386/MachRegisterStatesI386.h b/lldb/tools/debugserver/source/MacOSX/i386/MachRegisterStatesI386.h
index 8458a283e848f..ba76925369c53 100644
--- a/lldb/tools/debugserver/source/MacOSX/i386/MachRegisterStatesI386.h
+++ b/lldb/tools/debugserver/source/MacOSX/i386/MachRegisterStatesI386.h
@@ -13,7 +13,7 @@
#ifndef LLDB_TOOLS_DEBUGSERVER_SOURCE_MACOSX_I386_MACHREGISTERSTATESI386_H
#define LLDB_TOOLS_DEBUGSERVER_SOURCE_MACOSX_I386_MACHREGISTERSTATESI386_H
-#include <inttypes.h>
+#include <cinttypes>
#define __i386_THREAD_STATE 1
#define __i386_FLOAT_STATE 2
diff --git a/lldb/tools/debugserver/source/MacOSX/x86_64/DNBArchImplX86_64.cpp b/lldb/tools/debugserver/source/MacOSX/x86_64/DNBArchImplX86_64.cpp
index a633ed26fb6d0..7270ecb55cc06 100644
--- a/lldb/tools/debugserver/source/MacOSX/x86_64/DNBArchImplX86_64.cpp
+++ b/lldb/tools/debugserver/source/MacOSX/x86_64/DNBArchImplX86_64.cpp
@@ -20,8 +20,8 @@
#include "MacOSX/x86_64/DNBArchImplX86_64.h"
#include "MachProcess.h"
#include "MachThread.h"
+#include <cstdlib>
#include <mach/mach.h>
-#include <stdlib.h>
#if defined(LLDB_DEBUGSERVER_RELEASE) || defined(LLDB_DEBUGSERVER_DEBUG)
enum debugState { debugStateUnknown, debugStateOff, debugStateOn };
diff --git a/lldb/tools/debugserver/source/MacOSX/x86_64/MachRegisterStatesX86_64.h b/lldb/tools/debugserver/source/MacOSX/x86_64/MachRegisterStatesX86_64.h
index f53e0a753c32d..b566accd39728 100644
--- a/lldb/tools/debugserver/source/MacOSX/x86_64/MachRegisterStatesX86_64.h
+++ b/lldb/tools/debugserver/source/MacOSX/x86_64/MachRegisterStatesX86_64.h
@@ -14,7 +14,7 @@
#ifndef LLDB_TOOLS_DEBUGSERVER_SOURCE_MACOSX_X86_64_MACHREGISTERSTATESX86_64_H
#define LLDB_TOOLS_DEBUGSERVER_SOURCE_MACOSX_X86_64_MACHREGISTERSTATESX86_64_H
-#include <inttypes.h>
+#include <cinttypes>
#define __x86_64_THREAD_STATE 4
#define __x86_64_FLOAT_STATE 5
diff --git a/lldb/tools/debugserver/source/PThreadEvent.cpp b/lldb/tools/debugserver/source/PThreadEvent.cpp
index 82d1d2278676a..e77c7511ae5ba 100644
--- a/lldb/tools/debugserver/source/PThreadEvent.cpp
+++ b/lldb/tools/debugserver/source/PThreadEvent.cpp
@@ -12,7 +12,7 @@
#include "PThreadEvent.h"
#include "DNBLog.h"
-#include "errno.h"
+#include <cerrno>
PThreadEvent::PThreadEvent(uint32_t bits, uint32_t validBits)
: m_mutex(), m_set_condition(), m_reset_condition(), m_bits(bits),
diff --git a/lldb/tools/debugserver/source/PThreadEvent.h b/lldb/tools/debugserver/source/PThreadEvent.h
index da3d9d4767766..20faf82e4fff7 100644
--- a/lldb/tools/debugserver/source/PThreadEvent.h
+++ b/lldb/tools/debugserver/source/PThreadEvent.h
@@ -14,8 +14,8 @@
#define LLDB_TOOLS_DEBUGSERVER_SOURCE_PTHREADEVENT_H
#include "PThreadCondition.h"
#include "PThreadMutex.h"
-#include <stdint.h>
-#include <time.h>
+#include <cstdint>
+#include <ctime>
class PThreadEvent {
public:
diff --git a/lldb/tools/debugserver/source/PThreadMutex.h b/lldb/tools/debugserver/source/PThreadMutex.h
index dce2e561b93ce..a4535dd79172c 100644
--- a/lldb/tools/debugserver/source/PThreadMutex.h
+++ b/lldb/tools/debugserver/source/PThreadMutex.h
@@ -13,9 +13,9 @@
#ifndef LLDB_TOOLS_DEBUGSERVER_SOURCE_PTHREADMUTEX_H
#define LLDB_TOOLS_DEBUGSERVER_SOURCE_PTHREADMUTEX_H
-#include <assert.h>
+#include <cassert>
+#include <cstdint>
#include <pthread.h>
-#include <stdint.h>
//#define DEBUG_PTHREAD_MUTEX_DEADLOCKS 1
diff --git a/lldb/tools/debugserver/source/PseudoTerminal.cpp b/lldb/tools/debugserver/source/PseudoTerminal.cpp
index fb91d74a6cc49..059b562766872 100644
--- a/lldb/tools/debugserver/source/PseudoTerminal.cpp
+++ b/lldb/tools/debugserver/source/PseudoTerminal.cpp
@@ -11,7 +11,7 @@
//===----------------------------------------------------------------------===//
#include "PseudoTerminal.h"
-#include <stdlib.h>
+#include <cstdlib>
#include <sys/ioctl.h>
#include <unistd.h>
diff --git a/lldb/tools/debugserver/source/RNBRemote.cpp b/lldb/tools/debugserver/source/RNBRemote.cpp
index 876681aa5d6ec..9e89ab9539ec2 100644
--- a/lldb/tools/debugserver/source/RNBRemote.cpp
+++ b/lldb/tools/debugserver/source/RNBRemote.cpp
@@ -14,13 +14,13 @@
#include <bsm/audit.h>
#include <bsm/audit_session.h>
-#include <errno.h>
+#include <cerrno>
+#include <csignal>
#include <libproc.h>
#include <mach-o/loader.h>
#include <mach/exception_types.h>
#include <mach/task_info.h>
#include <pwd.h>
-#include <signal.h>
#include <sys/stat.h>
#include <sys/sysctl.h>
#include <unistd.h>
diff --git a/lldb/tools/debugserver/source/RNBSocket.cpp b/lldb/tools/debugserver/source/RNBSocket.cpp
index 80b55b5de3b79..f2c4880fd4157 100644
--- a/lldb/tools/debugserver/source/RNBSocket.cpp
+++ b/lldb/tools/debugserver/source/RNBSocket.cpp
@@ -14,7 +14,7 @@
#include "DNBError.h"
#include "DNBLog.h"
#include <arpa/inet.h>
-#include <errno.h>
+#include <cerrno>
#include <fcntl.h>
#include <map>
#include <netdb.h>
diff --git a/lldb/tools/debugserver/source/StdStringExtractor.cpp b/lldb/tools/debugserver/source/StdStringExtractor.cpp
index a4cad2d4bbf33..2035394bba1c8 100644
--- a/lldb/tools/debugserver/source/StdStringExtractor.cpp
+++ b/lldb/tools/debugserver/source/StdStringExtractor.cpp
@@ -8,8 +8,7 @@
#include "StdStringExtractor.h"
-#include <stdlib.h>
-
+#include <cstdlib>
static inline int xdigit_to_sint(char ch) {
if (ch >= 'a' && ch <= 'f')
diff --git a/lldb/tools/debugserver/source/StdStringExtractor.h b/lldb/tools/debugserver/source/StdStringExtractor.h
index 88544dc66382b..c9ffeefc95b09 100644
--- a/lldb/tools/debugserver/source/StdStringExtractor.h
+++ b/lldb/tools/debugserver/source/StdStringExtractor.h
@@ -9,7 +9,7 @@
#ifndef LLDB_TOOLS_DEBUGSERVER_SOURCE_STDSTRINGEXTRACTOR_H
#define LLDB_TOOLS_DEBUGSERVER_SOURCE_STDSTRINGEXTRACTOR_H
-#include <stdint.h>
+#include <cstdint>
#include <string>
diff --git a/lldb/tools/debugserver/source/SysSignal.cpp b/lldb/tools/debugserver/source/SysSignal.cpp
index 9afbbec0987dc..da41cae8e9b2a 100644
--- a/lldb/tools/debugserver/source/SysSignal.cpp
+++ b/lldb/tools/debugserver/source/SysSignal.cpp
@@ -11,8 +11,8 @@
//===----------------------------------------------------------------------===//
#include "SysSignal.h"
-#include <signal.h>
-#include <stddef.h>
+#include <csignal>
+#include <cstddef>
const char *SysSignal::Name(int signal) {
switch (signal) {
diff --git a/lldb/tools/debugserver/source/TTYState.h b/lldb/tools/debugserver/source/TTYState.h
index ac70417c3a226..8229a7cd5731a 100644
--- a/lldb/tools/debugserver/source/TTYState.h
+++ b/lldb/tools/debugserver/source/TTYState.h
@@ -13,7 +13,7 @@
#ifndef LLDB_TOOLS_DEBUGSERVER_SOURCE_TTYSTATE_H
#define LLDB_TOOLS_DEBUGSERVER_SOURCE_TTYSTATE_H
-#include <stdint.h>
+#include <cstdint>
#include <termios.h>
class TTYState {
diff --git a/lldb/tools/debugserver/source/debugserver.cpp b/lldb/tools/debugserver/source/debugserver.cpp
index a0a30473254a7..853dcd5b06e37 100644
--- a/lldb/tools/debugserver/source/debugserver.cpp
+++ b/lldb/tools/debugserver/source/debugserver.cpp
@@ -8,8 +8,8 @@
#include <arpa/inet.h>
#include <asl.h>
+#include <cerrno>
#include <crt_externs.h>
-#include <errno.h>
#include <getopt.h>
#include <netdb.h>
#include <netinet/in.h>
diff --git a/lldb/tools/debugserver/source/libdebugserver.cpp b/lldb/tools/debugserver/source/libdebugserver.cpp
index 0c53fa4039c55..6da3708b4240b 100644
--- a/lldb/tools/debugserver/source/libdebugserver.cpp
+++ b/lldb/tools/debugserver/source/libdebugserver.cpp
@@ -6,7 +6,7 @@
//
//===----------------------------------------------------------------------===//
-#include <errno.h>
+#include <cerrno>
#include <getopt.h>
#include <netinet/in.h>
#include <sys/select.h>
diff --git a/lldb/tools/driver/Driver.cpp b/lldb/tools/driver/Driver.cpp
index b91e930f3d845..bfd1347dca2a1 100644
--- a/lldb/tools/driver/Driver.cpp
+++ b/lldb/tools/driver/Driver.cpp
@@ -36,11 +36,11 @@
#include <thread>
#include <utility>
+#include <climits>
+#include <cstdio>
+#include <cstdlib>
+#include <cstring>
#include <fcntl.h>
-#include <limits.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
// Includes for pipe()
#if defined(_WIN32)
diff --git a/lldb/tools/driver/Platform.cpp b/lldb/tools/driver/Platform.cpp
index f3a71eb79dec3..0891cfa1fa8df 100644
--- a/lldb/tools/driver/Platform.cpp
+++ b/lldb/tools/driver/Platform.cpp
@@ -9,9 +9,9 @@
// this file is only relevant for Visual C++
#if defined(_WIN32)
-#include <assert.h>
+#include <cassert>
+#include <cstdlib>
#include <process.h>
-#include <stdlib.h>
#include "Platform.h"
#include "llvm/Support/ErrorHandling.h"
diff --git a/lldb/tools/driver/Platform.h b/lldb/tools/driver/Platform.h
index 6b893f91f4426..d7573b75bf32f 100644
--- a/lldb/tools/driver/Platform.h
+++ b/lldb/tools/driver/Platform.h
@@ -15,13 +15,13 @@
#include <io.h>
#if defined(_MSC_VER)
-#include <signal.h>
+#include <csignal>
#endif
#if HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#include "lldb/Host/windows/windows.h"
-#include <inttypes.h>
+#include <cinttypes>
struct winsize {
long ws_col;
@@ -76,7 +76,7 @@ extern int tcsetattr(int fd, int optional_actions,
extern int tcgetattr(int fildes, struct termios *termios_p);
#else
-#include <inttypes.h>
+#include <cinttypes>
#include <libgen.h>
#include <sys/ioctl.h>
diff --git a/lldb/tools/lldb-server/lldb-gdbserver.cpp b/lldb/tools/lldb-server/lldb-gdbserver.cpp
index a9db73f900987..f0146461f36e0 100644
--- a/lldb/tools/lldb-server/lldb-gdbserver.cpp
+++ b/lldb/tools/lldb-server/lldb-gdbserver.cpp
@@ -6,14 +6,14 @@
//
//===----------------------------------------------------------------------===//
-#include <errno.h>
-#include <stdint.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
+#include <cerrno>
+#include <cstdint>
+#include <cstdio>
+#include <cstdlib>
+#include <cstring>
#ifndef _WIN32
-#include <signal.h>
+#include <csignal>
#include <unistd.h>
#endif
diff --git a/lldb/tools/lldb-server/lldb-platform.cpp b/lldb/tools/lldb-server/lldb-platform.cpp
index 131387c662eb1..d4b54362bb468 100644
--- a/lldb/tools/lldb-server/lldb-platform.cpp
+++ b/lldb/tools/lldb-server/lldb-platform.cpp
@@ -6,15 +6,15 @@
//
//===----------------------------------------------------------------------===//
-#include <errno.h>
+#include <cerrno>
#if defined(__APPLE__)
#include <netinet/in.h>
#endif
-#include <signal.h>
-#include <stdint.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
+#include <csignal>
+#include <cstdint>
+#include <cstdio>
+#include <cstdlib>
+#include <cstring>
#if !defined(_WIN32)
#include <sys/wait.h>
#endif
diff --git a/lldb/tools/lldb-server/lldb-server.cpp b/lldb/tools/lldb-server/lldb-server.cpp
index acf6780524e2f..1e001ac7185b8 100644
--- a/lldb/tools/lldb-server/lldb-server.cpp
+++ b/lldb/tools/lldb-server/lldb-server.cpp
@@ -17,8 +17,8 @@
#include "llvm/Support/PrettyStackTrace.h"
#include "llvm/Support/Signals.h"
-#include <stdio.h>
-#include <stdlib.h>
+#include <cstdio>
+#include <cstdlib>
static llvm::ManagedStatic<lldb_private::SystemLifetimeManager>
g_debugger_lifetime;
diff --git a/lldb/tools/lldb-vscode/JSONUtils.h b/lldb/tools/lldb-vscode/JSONUtils.h
index 21d0b3232d5a8..bb81b88895938 100644
--- a/lldb/tools/lldb-vscode/JSONUtils.h
+++ b/lldb/tools/lldb-vscode/JSONUtils.h
@@ -13,7 +13,7 @@
#include "lldb/API/SBModule.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/Support/JSON.h"
-#include <stdint.h>
+#include <cstdint>
namespace lldb_vscode {
diff --git a/lldb/tools/lldb-vscode/VSCode.cpp b/lldb/tools/lldb-vscode/VSCode.cpp
index 875be9a0e17e7..7e1154b32e39b 100644
--- a/lldb/tools/lldb-vscode/VSCode.cpp
+++ b/lldb/tools/lldb-vscode/VSCode.cpp
@@ -7,10 +7,10 @@
//===----------------------------------------------------------------------===//
#include <chrono>
+#include <cstdarg>
#include <fstream>
#include <mutex>
#include <sstream>
-#include <stdarg.h>
#include "LLDBUtils.h"
#include "VSCode.h"
diff --git a/lldb/tools/lldb-vscode/VSCode.h b/lldb/tools/lldb-vscode/VSCode.h
index 45250b958d001..1ae2d9786e349 100644
--- a/lldb/tools/lldb-vscode/VSCode.h
+++ b/lldb/tools/lldb-vscode/VSCode.h
@@ -12,10 +12,10 @@
#include "llvm/Config/llvm-config.h" // for LLVM_ON_UNIX
#include <condition_variable>
+#include <cstdio>
#include <iosfwd>
#include <map>
#include <set>
-#include <stdio.h>
#include <thread>
#include "llvm/ADT/DenseMap.h"
diff --git a/lldb/tools/lldb-vscode/lldb-vscode.cpp b/lldb/tools/lldb-vscode/lldb-vscode.cpp
index 823a8eb73bf05..29b4019379d83 100644
--- a/lldb/tools/lldb-vscode/lldb-vscode.cpp
+++ b/lldb/tools/lldb-vscode/lldb-vscode.cpp
@@ -8,12 +8,12 @@
#include "VSCode.h"
-#include <assert.h>
-#include <limits.h>
-#include <stdarg.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
+#include <cassert>
+#include <climits>
+#include <cstdarg>
+#include <cstdio>
+#include <cstdlib>
+#include <cstring>
#include <sys/stat.h>
#include <sys/types.h>
#if defined(_WIN32)
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