void
rb_tree_del (rb_tree_t * rt, u32 key)
{
rb_node_t *n;
n = rb_tree_search_subtree (rt, rb_node (rt, rt->root), key);
if (rb_node_index (rt, n) != RBTREE_TNIL_INDEX)
void
rb_tree_del (rb_tree_t * rt, u32 key)
{
rb_node_t *n;
n = rb_tree_search_subtree (rt, rb_node (rt, rt->root), key);
if (rb_node_index (rt, n) != RBTREE_TNIL_INDEX)