+#define list_for_each_entry_continue(_list, _pos, _member) \
+ for (; _pos; _pos = list_next_entry(_list, _pos, _member))
+
+#define list_for_each_entry_safe(_list, _pos, _tmp, _member) \
+ for (_pos = list_entry((_list)->head.next, typeof(*_pos), _member, _list), \
+ _tmp = list_entry(_pos->_member.next, typeof(*_pos), _member, _list); \
+ _pos; \
+ _pos = _tmp, \
+ _tmp = _tmp ? list_entry(_tmp->_member.next, typeof(*_pos), _member, _list) : NULL)
+
+#define DEFINE_LIST(_list) struct list _list = { \
+ .head = { \
+ .next = &_list.head, \
+ .prev = &_list.head \
+ } \
+}