00(int a, int b, char *file, int line)  {    int res;    if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b))    {       fprintf (stderr, "ADD00: inputs are not short: %d %d in %s: line %d\n", a, b, file, line);    }    res = a+b;    if (!VERIFY_SHORT(res))    {       fprintf (stderr, "ADD00: output is not 