[libc-commits] [libc] [libc] implement ioctl (PR #85890)

[via libc-commits]

lntue wrote:

This PR was failed to build:
https://lab.llvm.org/buildbot/#/builders/78/builds/68827/steps/4/logs/stdio
https://lab.llvm.org/buildbot/#/builders/163/builds/54479/steps/4/logs/stdio

https://github.com/llvm/llvm-project/pull/85890