+/*
+ Iterates over a list.
+
+ CAUTION: while this construct supports deleting the current item,
+ it does *not* support deleting *other* nodes while iterating on the list.
+ */
+#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)
+
+#endif /* __TINC_LIST_H__ */