[libc] [llvm] Add sysexits.h header with BSD exit codes (total-18) (PR #126112)

[Ajay Raj via llvm-commits]

================
@@ -0,0 +1,21 @@
+#ifndef SYSEXITS_MACROS_H
----------------
ajayrajsaini wrote:

//===-- Macros defined in sysexits.h header file --------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//


is it correct license header @michaelrj-google ?

https://github.com/llvm/llvm-project/pull/126112