[libc-commits] [libc] [libc] add ioctl (PR #141393)

[W. Turner Abney via libc-commits]

cowtoolz wrote:

Via #85275
> I assume once ioctl is implemented, all of the above open coded calls should be replaced with the call to our internal wrapper.

I've already made these changes, should these be included in this PR?

https://github.com/llvm/llvm-project/pull/141393