art_iter
art_iter_descend(struct art_iter *ai, art_heap_entry *heap,
art_iter_open(struct art *art, struct art_iter *ai)
art_iter_next(struct art_iter *ai)
art_iter_close(struct art_iter *ai)
struct art_iter ai;
struct art_node *art_iter_open(struct art *, struct art_iter *);
struct art_node *art_iter_next(struct art_iter *);
void art_iter_close(struct art_iter *);
struct art_iter ai;
struct art_iter ai;