101 		   unsigned long *key);
116 			      unsigned long *key, void *val, gfp_t gfp);
129 		 unsigned long *key, void *val);
141 		   unsigned long *key);
173 		 unsigned long *key);
187 		     unsigned long *key);
194 				  unsigned long *key, size_t index,
202 				       unsigned long *key,
216 #define btree_for_each_safel(head, key, val)	\  argument
217 	for (val = btree_lastl(head, &key);	\
219 	     val = btree_get_prevl(head, &key))
227 #define btree_for_each_safe32(head, key, val)	\  argument
228 	for (val = btree_last32(head, &key);	\
230 	     val = btree_get_prev32(head, &key))
239 #define btree_for_each_safe64(head, key, val)	\  argument
240 	for (val = btree_last64(head, &key);	\
242 	     val = btree_get_prev64(head, &key))