142 struct node *merge_nodes(struct node *old_node, struct node *new_node)  in merge_nodes()  argument
151 	for_each_label_withdel(new_node->labels, l)  in merge_nodes()
156 	while (new_node->proplist) {  in merge_nodes()
158 		new_prop = new_node->proplist;  in merge_nodes()
159 		new_node->proplist = new_prop->next;  in merge_nodes()
192 	while (new_node->children) {  in merge_nodes()
194 		new_child = new_node->children;  in merge_nodes()
195 		new_node->children = new_child->next_sibling;  in merge_nodes()
219 	old_node->srcpos = srcpos_extend(old_node->srcpos, new_node->srcpos);  in merge_nodes()
223 	free(new_node);  in merge_nodes()
228 struct node * add_orphan_node(struct node *dt, struct node *new_node, char *ref)  in add_orphan_node()  argument
250 	name_node(new_node, "__overlay__");  in add_orphan_node()
251 	node = build_node(p, new_node, NULL);  in add_orphan_node()