rem: return 0;
add: return true;
context: print_factors (const char *s){  uintmax_t factors[MAX_N_FACTORS];  uintmax_t n;  int n_factors;  int i;  char buf[INT_BUFSIZE_BOUND (uintmax_t)];  if (xstrtoumax (s, NULL, 10, &n, "") != LONGINT_OK)    {      error (0, 0, _("`%s' is not a valid positive integer"), s);      return 1;    }  n_factors = factor (n, MAX_N_FACTORS, factors);  printf ("%s:", umaxtostr (n, buf));  for (i = 0; i < n_factors; i++)    printf (" %s", umaxtostr (factors[i], buf));  putchar ('\n');  return 0;}