-#if 0
-/* This code disabled until a need arises. */
-static avl_iterator_t *avl_create_iterator (avl_tree_t *t, avl_node_t *n)
-{
- avl_iterator_t *iter;
-
- iter = (avl_iterator_t *) malloc (sizeof (avl_iterator_t));
- if (iter == NULL)
- return (NULL);
-
- iter->tree = t;
- iter->node = n;
-
- return (iter);
-}
-#endif
-
-static void *avl_node_next (avl_tree_t *t, avl_node_t *n)