224 	    int (*cmp)(struct rb_node *, const struct rb_node *))  in rb_find_add()
232 		c = cmp(node, parent);  in rb_find_add()
257 	int (*cmp)(const void *key, const struct rb_node *))  in rb_find()
262 		int c = cmp(key, node);  in rb_find()
285 	      int (*cmp)(const void *key, const struct rb_node *))  in rb_find_first()
291 		int c = cmp(key, node);  in rb_find_first()
315 	      int (*cmp)(const void *key, const struct rb_node *))  in rb_next_match()
318 	if (node && cmp(key, node))  in rb_next_match()
330 #define rb_for_each(node, key, tree, cmp) \  argument
331 	for ((node) = rb_find_first((key), (tree), (cmp)); \
332 	     (node); (node) = rb_next_match((key), (node), (cmp)))