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

[Volodymyr Turanskyy via libc-commits]

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voltur01 wrote:

Probably not, moved these into `file_internal.*` now.

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