+ avl_node_t *node, *next;
+ edge_t *e;
+ subnet_t *s;
+cp
+ for(node = n->subnet_tree->head; node; node = next)
+ {
+ next = node->next;
+ s = (subnet_t *)node->data;
+ subnet_del(n, s);
+ }
+
+ for(node = n->subnet_tree->head; node; node = next)
+ {
+ next = node->next;
+ e = (edge_t *)node->data;
+ edge_del(e);
+ }