317     addrinfo sentinel = {};  in android_getaddrinfofornetcontext()  local
318     addrinfo* cur = &sentinel;  in android_getaddrinfofornetcontext()
371         if (sentinel.ai_next) break;  in android_getaddrinfofornetcontext()
386         freeaddrinfo(sentinel.ai_next);  in android_getaddrinfofornetcontext()
389         *res = sentinel.ai_next;  in android_getaddrinfofornetcontext()
413     addrinfo sentinel = {};  in resolv_getaddrinfo()  local
414     addrinfo* cur = &sentinel;  in resolv_getaddrinfo()
437     if ((*res = sentinel.ai_next)) return 0;  in resolv_getaddrinfo()
440     freeaddrinfo(sentinel.ai_next);  in resolv_getaddrinfo()
488     struct addrinfo sentinel;  in explore_null()  local
498     sentinel.ai_next = NULL;  in explore_null()
499     cur = &sentinel;  in explore_null()
528     *res = sentinel.ai_next;  in explore_null()
532     freeaddrinfo(sentinel.ai_next);  in explore_null()
543     struct addrinfo sentinel;  in explore_numeric()  local
553     sentinel.ai_next = NULL;  in explore_numeric()
554     cur = &sentinel;  in explore_numeric()
576                     freeaddrinfo(sentinel.ai_next);  in explore_numeric()
585     *res = sentinel.ai_next;  in explore_numeric()
589     freeaddrinfo(sentinel.ai_next);  in explore_numeric()
818     struct addrinfo sentinel = {};  in getanswer()  local
836     cur = &sentinel;  in getanswer()
991             (void) get_canonname(pai, sentinel.ai_next, qname);  in getanswer()
993             (void) get_canonname(pai, sentinel.ai_next, canonname);  in getanswer()
995         return sentinel.ai_next;  in getanswer()
1440     addrinfo sentinel = {};  in dns_getaddrinfo()  local
1441     addrinfo* cur = &sentinel;  in dns_getaddrinfo()
1451     if (sentinel.ai_next == NULL) {  in dns_getaddrinfo()
1457     resolv_rfc6724_sort(&sentinel, netcontext->app_mark, netcontext->uid);  in dns_getaddrinfo()
1459     *rv = sentinel.ai_next;  in dns_getaddrinfo()
1530     struct addrinfo sentinel = {};  in getCustomHosts()  local
1532     res = &sentinel;  in getCustomHosts()
1542     return sentinel.ai_next;  in getCustomHosts()
1547     struct addrinfo sentinel = {};  in files_getaddrinfo()  local
1551     cur = &sentinel;  in files_getaddrinfo()
1563     *res = sentinel.ai_next;  in files_getaddrinfo()
1564     return sentinel.ai_next != nullptr;  in files_getaddrinfo()