284 create_spine(tree_node_t* w, callback_t cb)  in create_spine()  argument
292 	ntn->ft  = w->ft;  in create_spine()
294 	ntn->ev  = w->ev;  in create_spine()
295 	ntn->arg = w->arg;  in create_spine()
304 		ntn->ft = w->ft;  in create_spine()
305 		ntn->ev = w->ev;  in create_spine()
306 		ntn->arg = w->arg;  in create_spine()
314 	} while ((w = TREE_PARENT(w, link)));  in create_spine()
339 	TREE_DFS_FOREACH(w, stree->root, &stack, link) {
375 	tree_node_t *w, *w2, *ntree;  in RegCb()  local
414 	w = dforest_search(ev);  in RegCb()
416 	assert(w);  in RegCb()
417 	if ((ntree = create_spine(w, cb)) == NULL)  in RegCb()
447 			w = stree->root;  in RegCb()
448 			while (w) {  in RegCb()
452 				for (w2 = TREE_FIRSTBORN(w, link);  in RegCb()
482 				w = next_walk;  in RegCb()
489 			TREE_DFS_FOREACH(w, stree->root, &stack, link) {  in RegCb()
492 				if (sptr && w->ev == sptr->ev) {  in RegCb()
493 					if (w->cb != sptr->cb)  in RegCb()
494 						sptr->cb = w->cb;  in RegCb()
504 				ntn->ft  = w->ft;  in RegCb()
505 				ntn->cb  = w->cb;  in RegCb()
506 				ntn->ev  = w->ev;  in RegCb()
507 				ntn->arg = w->arg;  in RegCb()
509 				if (TREE_PARENT(w, link)) {  in RegCb()
510 					ptn = tree_search(ntree, TREE_PARENT(w, link)->ev);  in RegCb()
567 	tree_node_t *w, *target;  in UnregCb()  local
621 		TREE_DFS_FOREACH_SELECTIVE(w, stree->root, &stack, link, proceed) {  in UnregCb()
624 			if (w == sptr)  in UnregCb()
633 			ntn->ft = w->ft;  in UnregCb()
634 			ntn->cb = w->cb;  in UnregCb()
635 			ntn->ev = w->ev;  in UnregCb()
636 			ntn->arg = w->arg;  in UnregCb()
638 			if (TREE_PARENT(w, link)) {  in UnregCb()
640 				ptn = tree_search(ntree, TREE_PARENT(w, link)->ev);  in UnregCb()