182 	for (node = tree->avl_root; node != NULL; node = node->avl_child[0])  in avl_first()
201 	for (node = tree->avl_root; node != NULL; node = node->avl_child[1])  in avl_last()
227 		ASSERT(tree->avl_root == NULL);  in avl_nearest()
256 	for (node = tree->avl_root; node != NULL;  in avl_find()
372 			tree->avl_root = child;  in avl_rotation()
453 		tree->avl_root = gchild;  in avl_rotation()
500 		ASSERT(tree->avl_root == NULL);  in avl_insert()
501 		tree->avl_root = node;  in avl_insert()
710 			tree->avl_root = node;  in avl_remove()
748 		tree->avl_root = node;  in avl_remove()
863 	temp_node = tree1->avl_root;  in avl_swap()
865 	tree1->avl_root = tree2->avl_root;  in avl_swap()
867 	tree2->avl_root = temp_node;  in avl_swap()
887 	tree->avl_root = NULL;  in avl_create()
900 	ASSERT(tree->avl_root == NULL);  in avl_destroy()
975 		if (tree->avl_root != NULL) {  in avl_destroy_nodes()
977 			tree->avl_root = NULL;  in avl_destroy_nodes()
1027 		ASSERT(node == tree->avl_root);  in avl_destroy_nodes()