[libc-commits] [libc] [libc] add wctype.h header (PR #149202)

[Prabhu Rajasekaran via libc-commits]

Prabhuk wrote:

> What about Linux (aarch64, arm, x86_64, riscv), Darwin aarch64, and Windows targets?

My focus was on baremetal 32 bit targets and was not sure if these platforms also needed this change. Added these entrypoints now. PTAL. Thank you.

https://github.com/llvm/llvm-project/pull/149202