/* Plug-compatible with standard C library |bsearch()|. */
static void *
blp_bsearch (const void *key, const void *array, size_t count,
             size_t size, int (*compare) (const void *, const void *))
{
  int min = 0;
  int max = count;

  while (max >= min)
    {
      int i = (min + max) / 2;
      void *item = ((char *) array) + size * i;
      int cmp = compare (key, item);

      if (cmp < 0)
        max = i - 1;
      else if (cmp > 0)
        min = i + 1;
      else
        return item;
    }

  return NULL;
}