#include "stdio_impl.h"

int fputc(int c, FILE* f) {
  if (f->lock < 0 || !__lockfile(f))
    return putc_unlocked(c, f);
  c = putc_unlocked(c, f);
  __unlockfile(f);
  return c;
}
