434 	struct request *req = req_head, *const started_at = req_head;  in request_find_from_trans_id()  local
440 		} while (req != started_at);  in request_find_from_trans_id()
487 	struct request *req, *started_at;  in nameserver_failed()  local
519 	started_at = req_head;  in nameserver_failed()
528 		} while (req != started_at);  in nameserver_failed()
1102 		const struct request *req = req_head, *started_at;  in transaction_id_pick()  local
1107 		req = started_at = req_head;  in transaction_id_pick()
1112 			} while (req != started_at);  in transaction_id_pick()
1115 		if (req == started_at) return trans_id;  in transaction_id_pick()
1124 	struct nameserver *started_at = server_head, *picked;  in nameserver_pick()  local
1144 		if (server_head == started_at) {  in nameserver_pick()
2022 		struct request *const started_at = req_head, *req = req_head;  in evdns_transmit()  local
2031 		} while (req != started_at);  in evdns_transmit()
2056 	struct nameserver *server = server_head, *started_at = server_head;  in evdns_clear_nameservers_and_suspend()  local
2069 		if (next == started_at)  in evdns_clear_nameservers_and_suspend()
2116 	const struct nameserver *server = server_head, *const started_at = server_head;  in _evdns_nameserver_add_impl()  local
2123 		} while (server != started_at);  in _evdns_nameserver_add_impl()