-#define list_each(type, item, list) (type *item = (type *)1; item; item = NULL) for(list_node_t *node = (list)->head, *next; item = node ? node->data : NULL, next = node ? node->next : NULL, node; node = next)
+#define list_each(type, item, list) (type *item = (type *)1; item; item = NULL) for(list_node_t *list_node = (list)->head, *list_next; item = list_node ? list_node->data : NULL, list_next = list_node ? list_node->next : NULL, list_node; list_node = list_next)