143 static int dns_getaddrinfo(const char* name, const addrinfo* pai,
150 static bool files_getaddrinfo(const size_t netid, const char* name, const addrinfo* pai,
183         (ai) = get_ai(pai, (afd), (addr));                   \
461 static int explore_fqdn(const addrinfo* pai, const char* hostname, const char* servname,  in explore_fqdn()  argument
464     assert(pai != nullptr);  in explore_fqdn()
473     if ((error = get_portmatch(pai, servname))) return error;  in explore_fqdn()
475     if (!files_getaddrinfo(netcontext->dns_netid, hostname, pai, &result)) {  in explore_fqdn()
476         error = dns_getaddrinfo(hostname, pai, netcontext, &result, event);  in explore_fqdn()
499 static int explore_null(const struct addrinfo* pai, const char* servname, struct addrinfo** res) {  in explore_null()  argument
508     assert(pai != NULL);  in explore_null()
520     s = socket(pai->ai_family, SOCK_DGRAM | SOCK_CLOEXEC, 0);  in explore_null()
529     if (get_portmatch(pai, servname) != 0) return 0;  in explore_null()
531     afd = find_afd(pai->ai_family);  in explore_null()
534     if (pai->ai_flags & AI_PASSIVE) {  in explore_null()
554 static int explore_numeric(const struct addrinfo* pai, const char* hostname, const char* servname,  in explore_numeric()  argument
562     assert(pai != NULL);  in explore_numeric()
574     if (get_portmatch(pai, servname) != 0) return 0;  in explore_numeric()
576     afd = find_afd(pai->ai_family);  in explore_numeric()
580         if (pai->ai_family == afd->a_af || pai->ai_family == PF_UNSPEC /*?*/) {  in explore_numeric()
583             if ((pai->ai_flags & AI_CANONNAME)) {  in explore_numeric()
589                 error = get_canonname(pai, cur->ai_next, canonname);  in explore_numeric()
611 static int explore_numeric_scope(const struct addrinfo* pai, const char* hostname,  in explore_numeric_scope()  argument
621     assert(pai != NULL);  in explore_numeric_scope()
629     if (get_portmatch(pai, servname) != 0) return 0;  in explore_numeric_scope()
631     afd = find_afd(pai->ai_family);  in explore_numeric_scope()
634     if (!afd->a_scoped) return explore_numeric(pai, hostname, servname, res, hostname);  in explore_numeric_scope()
637     if (cp == NULL) return explore_numeric(pai, hostname, servname, res, hostname);  in explore_numeric_scope()
649     error = explore_numeric(pai, addr, servname, res, hostname);  in explore_numeric_scope()
669 static int get_canonname(const struct addrinfo* pai, struct addrinfo* ai, const char* str) {  in get_canonname()  argument
670     assert(pai != NULL);  in get_canonname()
674     if ((pai->ai_flags & AI_CANONNAME) != 0) {  in get_canonname()
681 static struct addrinfo* get_ai(const struct addrinfo* pai, const struct afd* afd,  in get_ai()  argument
686     assert(pai != NULL);  in get_ai()
693     memcpy(ai, pai, sizeof(struct addrinfo));  in get_ai()
841                                   int qtype, const struct addrinfo* pai, int* herrno) {  in getanswer()  argument
858     assert(pai != NULL);  in getanswer()
996                 ai = *pai;  in getanswer()
1015             (void) get_canonname(pai, sentinel.ai_next, qname);  in getanswer()
1017             (void) get_canonname(pai, sentinel.ai_next, canonname);  in getanswer()
1393 static int dns_getaddrinfo(const char* name, const addrinfo* pai,  in dns_getaddrinfo()  argument
1399     switch (pai->ai_family) {  in dns_getaddrinfo()
1405             if (pai->ai_flags & AI_ADDRCONFIG) {  in dns_getaddrinfo()
1450     addrinfo* ai = getanswer(q.answer, q.n, q.name, q.qtype, pai, &he);  in dns_getaddrinfo()
1456         ai = getanswer(q2.answer, q2.n, q2.name, q2.qtype, pai, &he);  in dns_getaddrinfo()
1485 static struct addrinfo* _gethtent(FILE** hostf, const char* name, const struct addrinfo* pai) {  in _gethtent()  argument
1494     assert(pai != NULL);  in _gethtent()
1520     error = getaddrinfo_numeric(addr, nullptr, *pai, &res0);  in _gethtent()
1524         res->ai_flags = pai->ai_flags;  in _gethtent()
1526         if (pai->ai_flags & AI_CANONNAME) {  in _gethtent()
1527             if (get_canonname(pai, res, cname) != 0) {  in _gethtent()
1537                                        const struct addrinfo* _Nonnull pai) {  in getCustomHosts()  argument
1543         int error = getaddrinfo_numeric(host.c_str(), nullptr, *pai, &res0);  in getCustomHosts()
1553 static bool files_getaddrinfo(const size_t netid, const char* name, const addrinfo* pai,  in files_getaddrinfo()  argument
1561     while ((p = _gethtent(&hostf, name, pai)) != nullptr) {  in files_getaddrinfo()
1567     if ((p = getCustomHosts(netid, name, pai)) != nullptr) {  in files_getaddrinfo()