[libc-commits] [libc] [libc][cpio] Add cpio.h header. (PR #123798)

[Nick Desaulniers via libc-commits]

https://github.com/nickdesaulniers requested changes to this pull request.

Thanks for the patch.  Something funny is going on here with this header.
https://pubs.opengroup.org/onlinepubs/9799919799/ doesn't show any of these functions or macros you listed...were they removed from posix?

https://github.com/llvm/llvm-project/pull/123798