231     it->next = it->prev = 0;  in do_item_alloc()
261         chunk->next = (item_chunk *) it->h_next;  in do_item_alloc()
265         chunk->next->prev = chunk;  in do_item_alloc()
266         chunk->size = chunk->next->size - ((char *)chunk - (char *)it);  in do_item_alloc()
315     it->next = *head;  in do_item_link_q()
316     if (it->next) it->next->prev = it;  in do_item_link_q()
337         *head = it->next;  in do_item_unlink_q()
340         assert(it->next == 0);  in do_item_unlink_q()
343     assert(it->next != it);  in do_item_unlink_q()
346     if (it->next) it->next->prev = it->prev;  in do_item_unlink_q()
347     if (it->prev) it->prev->next = it->next;  in do_item_unlink_q()
495             it = it->next;  in item_cachedump()
510         it = it->next;  in item_cachedump()
1208     it->next = 0;  in crawler_link_q()
1210         assert(it->prev->next == 0);  in crawler_link_q()
1211         it->prev->next = it;  in crawler_link_q()
1225         *head = it->next;  in crawler_unlink_q()
1228         assert(it->next == 0);  in crawler_unlink_q()
1231     assert(it->next != it);  in crawler_unlink_q()
1234     if (it->next) it->next->prev = it->prev;  in crawler_unlink_q()
1235     if (it->prev) it->prev->next = it->next;  in crawler_unlink_q()
1251         if (it->next) {  in crawler_crawl_q()
1252             *head = it->next;  in crawler_crawl_q()
1253             assert(it->next->prev == it);  in crawler_crawl_q()
1254             it->next->prev = 0;  in crawler_crawl_q()
1271         assert(it->next != it);  in crawler_crawl_q()
1272         if (it->next) {  in crawler_crawl_q()
1273             assert(it->prev->next == it);  in crawler_crawl_q()
1274             it->prev->next = it->next;  in crawler_crawl_q()
1275             it->next->prev = it->prev;  in crawler_crawl_q()
1278             it->prev->next = 0;  in crawler_crawl_q()
1281         it->next = it->prev;  in crawler_crawl_q()
1282         it->prev = it->next->prev;  in crawler_crawl_q()
1283         it->next->prev = it;  in crawler_crawl_q()
1286             it->prev->next = it;  in crawler_crawl_q()
1289     assert(it->next != it);  in crawler_crawl_q()
1292     return it->next; /* success */  in crawler_crawl_q()
1491             crawlers[sid].next = 0;  in do_lru_crawler_start()