[llvm] [clang] [flang] [clang-tools-extra] [flang ]GETLOG runtime and extension implementation: get login username (PR #70917)

[David Truby via cfe-commits]

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@@ -13,6 +13,44 @@
 #include "flang/Runtime/command.h"
 #include "flang/Runtime/descriptor.h"
 #include "flang/Runtime/io-api.h"
+#include <string.h>
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DavidTruby wrote:

We should use `cstring` instead of `string.h` and make sure all C standard functions are prefixed with `std::` since this is a C++ file

https://github.com/llvm/llvm-project/pull/70917