[libc-commits] [libc] [libc][darwin] add syscall numbers from macos sdk (PR #166354)

[Schrodinger ZHU Yifan via libc-commits]

SchrodingerZhu wrote:

Maybe mention the base version of the SDK. Sometimes darwin syscall may not be that stable. Leaving some information will make it easier to track.

https://github.com/llvm/llvm-project/pull/166354