509 				  struct key_vector *oldtnode,  in replace()  argument
512 	struct key_vector *tp = node_parent(oldtnode);  in replace()
523 	tnode_free(oldtnode);  in replace()
538 				  struct key_vector *oldtnode)  in inflate()  argument
546 	tn = tnode_new(oldtnode->key, oldtnode->pos - 1, oldtnode->bits + 1);  in inflate()
551 	tnode_free_init(oldtnode);  in inflate()
558 	for (i = child_length(oldtnode), m = 1u << tn->pos; i;) {  in inflate()
559 		struct key_vector *inode = get_child(oldtnode, --i);  in inflate()
568 		if (!tnode_full(oldtnode, inode)) {  in inflate()
574 		tnode_free_append(oldtnode, inode);  in inflate()
625 	return replace(t, oldtnode, tn);  in inflate()
634 				struct key_vector *oldtnode)  in halve()  argument
641 	tn = tnode_new(oldtnode->key, oldtnode->pos + 1, oldtnode->bits - 1);  in halve()
646 	tnode_free_init(oldtnode);  in halve()
653 	for (i = child_length(oldtnode); i;) {  in halve()
654 		struct key_vector *node1 = get_child(oldtnode, --i);  in halve()
655 		struct key_vector *node0 = get_child(oldtnode, --i);  in halve()
665 		inode = tnode_new(node0->key, oldtnode->pos, 1);  in halve()
680 	return replace(t, oldtnode, tn);  in halve()
689 				   struct key_vector *oldtnode)  in collapse()  argument
695 	for (n = NULL, i = child_length(oldtnode); !n && i;)  in collapse()
696 		n = get_child(oldtnode, --i);  in collapse()
699 	tp = node_parent(oldtnode);  in collapse()
700 	put_child_root(tp, oldtnode->key, n);  in collapse()
704 	node_free(oldtnode);  in collapse()