31 #define	INTERVAL_TREE_DEFINE(type, field, valtype, dummy, START, LAST, 	\  argument
33 	__IT_DEFINE_ITER_FROM(type, field, valtype, START, LAST, name)	\
36 	__IT_DEFINE_INSERT(type, field, START, attr, name)		\
39 #define	__IT_DEFINE_ITER_FROM(type, field, valtype, START, LAST, name)	\  argument
41 name##_iter_from(struct rb_node *rb, valtype start, valtype last)	\
47 		if (LAST(node) >= start && START(node) <= last)		\
49 		else if (START(node) > last)				\
58 name##_iter_first(struct rb_root_cached *root, valtype start, valtype last) \
60 	return (name##_iter_from(rb_first_cached(root), start, last));	\
65 name##_iter_next(type *node, valtype start, valtype last)		\
67 	return (name##_iter_from(rb_next(&node->field), start, last));	\
70 #define	__IT_DEFINE_INSERT(type, field, START, attr, name)		\  argument
82 		if (START(node) < START(iter_node))			\