81     list->head->prev = NULL;  in Curl_llist_insert_next()
88     ne->prev = e;  in Curl_llist_insert_next()
90       list->head->prev = ne;  in Curl_llist_insert_next()
94       e->next->prev = ne;  in Curl_llist_insert_next()
124       e->next->prev = NULL;  in Curl_llist_remove()
127     e->prev->next = e->next;  in Curl_llist_remove()
129       list->tail = e->prev;  in Curl_llist_remove()
131       e->next->prev = e->prev;  in Curl_llist_remove()
137   e->prev = NULL;  in Curl_llist_remove()
180       e->next->prev = NULL;  in Curl_llist_move()
183     e->prev->next = e->next;  in Curl_llist_move()
185       list->tail = e->prev;  in Curl_llist_move()
187       e->next->prev = e->prev;  in Curl_llist_move()
195     to_list->head->prev = NULL;  in Curl_llist_move()
201     e->prev = to_e;  in Curl_llist_move()
203       to_e->next->prev = e;  in Curl_llist_move()