-_xcb_list *_xcb_list_new(void);
-void _xcb_list_delete(_xcb_list *list, XCBListFreeFunc do_free);
-int _xcb_list_insert(_xcb_list *list, void *data);
-int _xcb_list_append(_xcb_list *list, void *data);
-void *_xcb_list_peek_head(_xcb_list *list);
-void *_xcb_list_remove_head(_xcb_list *list);
-void *_xcb_list_remove(_xcb_list *list, int (*cmp)(const void *, const void *), const void *data);
-void *_xcb_list_find(_xcb_list *list, int (*cmp)(const void *, const void *), const void *data);
+#define container_of(pointer,type,member) ((type *)(((char *)(pointer)) - offsetof(type, member)))
+
+/* xcb_list.c */