#include "stdio_impl.h"

int getc(FILE* f) {
  int c;
  if (atomic_load(&f->lock) < 0 || !__lockfile(f))
    return getc_unlocked(f);
  c = getc_unlocked(f);
  __unlockfile(f);
  return c;
}

weak_alias(getc, _IO_getc);