49     l->next = l->prev = l;  in rt_list_init()
60     l->next->prev = n;  in rt_list_insert_after()
61     n->next = l->next;  in rt_list_insert_after()
63     l->next = n;  in rt_list_insert_after()
75     l->prev->next = n;  in rt_list_insert_before()
79     n->next = l;  in rt_list_insert_before()
88     n->next->prev = n->prev;  in rt_list_remove()
89     n->prev->next = n->next;  in rt_list_remove()
91     n->next = n->prev = n;  in rt_list_remove()
100     return l->next == l;  in rt_list_isempty()
111     while (p->next != l)  in rt_list_len()
113         p = p->next;  in rt_list_len()
135     for (pos = (head)->next; pos != (head); pos = pos->next)
144 	for (pos = (head)->next, n = pos->next; pos != (head); \
145 		pos = n, n = pos->next)
154     for (pos = rt_list_entry((head)->next, typeof(*pos), member); \
156          pos = rt_list_entry(pos->member.next, typeof(*pos), member))
166     for (pos = rt_list_entry((head)->next, typeof(*pos), member), \
167          n = rt_list_entry(pos->member.next, typeof(*pos), member); \
169          pos = n, n = rt_list_entry(n->member.next, typeof(*n), member))
180     rt_list_entry((ptr)->next, type, member)
191     l->next = RT_NULL;  in rt_slist_init()
199     while (node->next) node = node->next;  in rt_slist_append()
202     node->next = n;  in rt_slist_append()
203     n->next = RT_NULL;  in rt_slist_append()
208     n->next = l->next;  in rt_slist_insert()
209     l->next = n;  in rt_slist_insert()
215     const rt_slist_t *list = l->next;  in rt_slist_len()
218         list = list->next;  in rt_slist_len()
229     while (node->next && node->next != n) node = node->next;  in rt_slist_remove()
232     if (node->next != (rt_slist_t *)0) node->next = node->next->next;  in rt_slist_remove()
239     return l->next;  in rt_slist_first()
244     while (l->next) l = l->next;  in rt_slist_tail()
251     return n->next;  in rt_slist_next()
256     return l->next == RT_NULL;  in rt_slist_isempty()
274     for (pos = (head)->next; pos != RT_NULL; pos = pos->next)
283     for (pos = rt_slist_entry((head)->next, typeof(*pos), member); \
285          pos = rt_slist_entry(pos->member.next, typeof(*pos), member))
296     rt_slist_entry((ptr)->next, type, member)