[libc-commits] [libc] [libc][WIP] try to make sysconf work (PR #74166)

[Nick Desaulniers via libc-commits]

nickdesaulniers wrote:

It's ok, we'll get it cleaned up.  Does that plan I outlined above seem agreeable?

Do you @SchrodingerZhu  want to send a PR with the reverts or shall I?

https://github.com/llvm/llvm-project/pull/74166