[libc-commits] [libc] [libc] Add getc, ungetc, fflush to enable libc++ iostream on baremetal (PR #175530)

[Paul Kirth via libc-commits]

ilovepi wrote:

@voltur01 This is still beaking our builds on Windows. Can you take a look, and revert if the fix isn't obvious/fast? We haven't been able to qualify new toolchains because of this.

https://github.com/llvm/llvm-project/pull/175530