79     list->head->prev = NULL;  in Curl_llist_insert_next()
86     ne->prev = e;  in Curl_llist_insert_next()
88       list->head->prev = ne;  in Curl_llist_insert_next()
92       e->next->prev = ne;  in Curl_llist_insert_next()
122       e->next->prev = NULL;  in Curl_llist_remove()
125     e->prev->next = e->next;  in Curl_llist_remove()
127       list->tail = e->prev;  in Curl_llist_remove()
129       e->next->prev = e->prev;  in Curl_llist_remove()
135   e->prev = NULL;  in Curl_llist_remove()
178       e->next->prev = NULL;  in Curl_llist_move()
181     e->prev->next = e->next;  in Curl_llist_move()
183       list->tail = e->prev;  in Curl_llist_move()
185       e->next->prev = e->prev;  in Curl_llist_move()
193     to_list->head->prev = NULL;  in Curl_llist_move()
199     e->prev = to_e;  in Curl_llist_move()
201       to_e->next->prev = e;  in Curl_llist_move()