/* Comparison function for pointers to |int|s.
   |param| is not used. */
int
compare_ints (const void *pa, const void *pb, void *param)
{
  const int *a = pa;
  const int *b = pb;

  if (*a < *b)
    return -1;
  else if (*a > *b)
    return +1;
  else
    return 0;
}

