#include "stdio_impl.h"

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