Volodymyr Turanskyy 907eb11cc1
[libc] Add getc, ungetc, fflush to enable libc++ iostream on baremetal (#175530)
After https://github.com/llvm/llvm-project/pull/168931 landed getc,
ungetc and fflush are still missing at link time while trying to make
libc++ std::cout work with LLVM libc on baremetal.

ungetc implementation is very minimal only to cover the current standard
streams implementation from the patch above.
2026-02-12 10:29:34 +00:00
..