hlist_nulls_entry
({ tpos = hlist_nulls_entry(pos, typeof(*tpos), member); 1;}); \
({ tpos = hlist_nulls_entry(pos, typeof(*tpos), member); 1;}); \
!is_a_nulls(____ptr) ? hlist_nulls_entry(____ptr, type, member) : NULL; \
({ tpos = hlist_nulls_entry(pos, typeof(*tpos), member); 1; }); \
({ tpos = hlist_nulls_entry(pos, typeof(*tpos), member); \
return hlist_nulls_entry(head->first, struct sock, sk_nulls_node);
hlist_nulls_entry(sk->sk_nulls_node.next,
h = hlist_nulls_entry(nf_conntrack_hash[i].first,