60 #define nl_container_of(ptr, type, member) ({			\  argument
61         const typeof( ((type *)0)->member ) *__mptr = (ptr);	\
62         (type *)( (char *)__mptr - ((size_t) &((type *)0)->member));})
64 #define nl_list_entry(ptr, type, member) \  argument
65 	nl_container_of(ptr, type, member)
67 #define nl_list_at_tail(pos, head, member) \  argument
68 	((pos)->member.next == (head))
70 #define nl_list_at_head(pos, head, member) \  argument
71 	((pos)->member.prev == (head))
76 #define nl_list_first_entry(head, type, member)			\  argument
77 	nl_list_entry((head)->next, type, member)
79 #define nl_list_for_each_entry(pos, head, member)				\  argument
80 	for (pos = nl_list_entry((head)->next, typeof(*pos), member);	\
81 	     &(pos)->member != (head); 	\
82 	     (pos) = nl_list_entry((pos)->member.next, typeof(*(pos)), member))
84 #define nl_list_for_each_entry_safe(pos, n, head, member)			\  argument
85 	for (pos = nl_list_entry((head)->next, typeof(*pos), member),	\
86 		n = nl_list_entry(pos->member.next, typeof(*pos), member);	\
87 	     &(pos)->member != (head); 					\
88 	     pos = n, n = nl_list_entry(n->member.next, typeof(*n), member))