[libc-commits] [libc] [libc] add wmemchr, wcslen, wcschr, wcsrchr, wcspbrk, wcsstr (PR #121183)

[Nick Desaulniers via libc-commits]

nickdesaulniers wrote:

We can probably better document this code pattern in our first party developer docs, if it's not already...

https://github.com/llvm/llvm-project/pull/121183