[libc-commits] [libc] [libc][docs] Add netinet/in header documentation by referring to POSIX standards (PR #122411)

[Nick Desaulniers via libc-commits]

https://github.com/nickdesaulniers approved this pull request.

lgtm; thanks! Need me to merge this?

https://github.com/llvm/llvm-project/pull/122411