333     addrinfo sentinel = {};  in android_getaddrinfofornetcontext()  local
334     addrinfo* cur = &sentinel;  in android_getaddrinfofornetcontext()
387         if (sentinel.ai_next) break;  in android_getaddrinfofornetcontext()
402         freeaddrinfo(sentinel.ai_next);  in android_getaddrinfofornetcontext()
405         *res = sentinel.ai_next;  in android_getaddrinfofornetcontext()
429     addrinfo sentinel = {};  in resolv_getaddrinfo()  local
430     addrinfo* cur = &sentinel;  in resolv_getaddrinfo()
453     if ((*res = sentinel.ai_next)) return 0;  in resolv_getaddrinfo()
456     freeaddrinfo(sentinel.ai_next);  in resolv_getaddrinfo()
504     struct addrinfo sentinel;  in explore_null()  local
514     sentinel.ai_next = NULL;  in explore_null()
515     cur = &sentinel;  in explore_null()
544     *res = sentinel.ai_next;  in explore_null()
548     freeaddrinfo(sentinel.ai_next);  in explore_null()
559     struct addrinfo sentinel;  in explore_numeric()  local
569     sentinel.ai_next = NULL;  in explore_numeric()
570     cur = &sentinel;  in explore_numeric()
592                     freeaddrinfo(sentinel.ai_next);  in explore_numeric()
601     *res = sentinel.ai_next;  in explore_numeric()
605     freeaddrinfo(sentinel.ai_next);  in explore_numeric()
843     struct addrinfo sentinel = {};  in getanswer()  local
861     cur = &sentinel;  in getanswer()
1016             (void) get_canonname(pai, sentinel.ai_next, qname);  in getanswer()
1018             (void) get_canonname(pai, sentinel.ai_next, canonname);  in getanswer()
1020         return sentinel.ai_next;  in getanswer()
1450     addrinfo sentinel = {};  in dns_getaddrinfo()  local
1451     addrinfo* cur = &sentinel;  in dns_getaddrinfo()
1461     if (sentinel.ai_next == NULL) {  in dns_getaddrinfo()
1467     _rfc6724_sort(&sentinel, netcontext->app_mark, netcontext->uid);  in dns_getaddrinfo()
1469     *rv = sentinel.ai_next;  in dns_getaddrinfo()
1540     struct addrinfo sentinel = {};  in getCustomHosts()  local
1542     res = &sentinel;  in getCustomHosts()
1552     return sentinel.ai_next;  in getCustomHosts()
1557     struct addrinfo sentinel = {};  in files_getaddrinfo()  local
1561     cur = &sentinel;  in files_getaddrinfo()
1573     *res = sentinel.ai_next;  in files_getaddrinfo()
1574     return sentinel.ai_next != nullptr;  in files_getaddrinfo()