216 	(ai) = get_ai(pai, (afd), (addr)); \
234 	error = get_canonname(pai, (ai), (str)); \
299 	struct addrinfo *pai;  local
317 	pai = &ai;
318 	pai->ai_flags = 0;
319 	pai->ai_family = PF_UNSPEC;
320 	pai->ai_socktype = ANY;
321 	pai->ai_protocol = ANY;
322 	pai->ai_addrlen = 0;
323 	pai->ai_canonname = NULL;
324 	pai->ai_addr = NULL;
325 	pai->ai_next = NULL;
346 		memcpy(pai, hints, sizeof(*pai));
352 		if (pai->ai_socktype != ANY && pai->ai_protocol != ANY) {
354 				if (pai->ai_family != ex->e_af)
360 				if (pai->ai_socktype == ex->e_socktype
361 				 && pai->ai_protocol != ex->e_protocol) {
373 	if (MATCH_FAMILY(pai->ai_family, PF_INET, 1)
375 	 || MATCH_FAMILY(pai->ai_family, PF_INET6, 1)
378 		ai0 = *pai;
380 		if (pai->ai_family == PF_UNSPEC) {
382 			pai->ai_family = PF_INET6;
384 			pai->ai_family = PF_INET;
387 		error = get_portmatch(pai, servname);
391 		*pai = ai0;
394 	ai0 = *pai;
398 		*pai = ai0;
400 		if (!MATCH_FAMILY(pai->ai_family, ex->e_af, WILD_AF(ex)))
402 		if (!MATCH(pai->ai_socktype, ex->e_socktype, WILD_SOCKTYPE(ex)))
404 		if (!MATCH(pai->ai_protocol, ex->e_protocol, WILD_PROTOCOL(ex)))
407 		if (pai->ai_family == PF_UNSPEC)
408 			pai->ai_family = ex->e_af;
409 		if (pai->ai_socktype == ANY && ex->e_socktype != ANY)
410 			pai->ai_socktype = ex->e_socktype;
411 		if (pai->ai_protocol == ANY && ex->e_protocol != ANY)
412 			pai->ai_protocol = ex->e_protocol;
415 			error = explore_null(pai, hostname, servname, &cur->ai_next);
417 			error = explore_numeric_scope(pai, hostname, servname, &cur->ai_next);
434 	if (pai->ai_flags & AI_NUMERICHOST)
445 		*pai = ai0;
447 		if (!MATCH_FAMILY(pai->ai_family, afd->a_af, 1))
451 			*pai = ai0;
453 			if (pai->ai_family == PF_UNSPEC)
454 				pai->ai_family = afd->a_af;
456 			if (!MATCH_FAMILY(pai->ai_family, ex->e_af, WILD_AF(ex)))
458 			if (!MATCH(pai->ai_socktype, ex->e_socktype,
462 			if (!MATCH(pai->ai_protocol, ex->e_protocol,
467 			if (pai->ai_family == PF_UNSPEC)
468 				pai->ai_family = ex->e_af;
469 			if (pai->ai_socktype == ANY && ex->e_socktype != ANY)
470 				pai->ai_socktype = ex->e_socktype;
471 			if (pai->ai_protocol == ANY && ex->e_protocol != ANY)
472 				pai->ai_protocol = ex->e_protocol;
474 			error = explore_fqdn(pai, hostname, servname,
508 explore_fqdn(pai, hostname, servname, res)  in explore_fqdn()  argument
509 	const struct addrinfo *pai;  in explore_fqdn()
540 	if (get_portmatch(pai, servname) != 0)
543 	afd = find_afd(pai->ai_family);
551 	hp = getipnodebyname(hostname, pai->ai_family, AI_ADDRCONFIG, &h_error);
554 	hp = gethostbyname2(hostname, pai->ai_family);
556 	if (pai->ai_family != AF_INET)
634 		if (af != pai->ai_family)
637 		if ((pai->ai_flags & AI_CANONNAME) == 0) {
652 				ap, pai, servname);
682 explore_null(pai, hostname, servname, res)  in explore_null()  argument
683 	const struct addrinfo *pai;  in explore_null()
702 	s = socket(pai->ai_family, SOCK_DGRAM, 0);
712 	if (get_portmatch(pai, servname) != 0)
715 	afd = find_afd(pai->ai_family);
717 	if (pai->ai_flags & AI_PASSIVE) {
745 explore_numeric(pai, hostname, servname, res)  in explore_numeric()  argument
746 	const struct addrinfo *pai;  in explore_numeric()
765 	if (get_portmatch(pai, servname) != 0)
768 	afd = find_afd(pai->ai_family);
769 	flags = pai->ai_flags;
795 		if (pai->ai_family == afd->a_af ||
796 		    pai->ai_family == PF_UNSPEC /*?*/) {
812 					pton, pai, servname);
834 explore_numeric_scope(pai, hostname, servname, res)  in explore_numeric_scope()  argument
835 	const struct addrinfo *pai;  in explore_numeric_scope()
841 	return explore_numeric(pai, hostname, servname, res);
853 	if (get_portmatch(pai, servname) != 0)
856 	afd = find_afd(pai->ai_family);
858 		return explore_numeric(pai, hostname, servname, res);
862 		return explore_numeric(pai, hostname, servname, res);
874 	switch (pai->ai_family) {
886 	error = explore_numeric(pai, hostname2, servname, res);
905 get_name(addr, afd, res, numaddr, pai, servname)  in get_name()  argument
910 	const struct addrinfo *pai;
974 get_canonname(pai, ai, str)  in get_canonname()  argument
975 	const struct addrinfo *pai;  in get_canonname()
979 	if ((pai->ai_flags & AI_CANONNAME) != 0) {
989 get_ai(pai, afd, addr)  in get_ai()  argument
990 	const struct addrinfo *pai;  in get_ai()
1002 	memcpy(ai, pai, sizeof(struct addrinfo));