78 const struct afd {  struct
134 static struct addrinfo* get_ai(const struct addrinfo*, const struct afd*, const char*);
137 static const struct afd* find_afd(int);
179 #define GET_AI(ai, afd, addr)                                \  argument
182         (ai) = get_ai(pai, (afd), (addr));                   \
486     const struct afd* afd;  in explore_null()  local
516     afd = find_afd(pai->ai_family);  in explore_null()
517     if (afd == NULL) return 0;  in explore_null()
520         GET_AI(cur->ai_next, afd, afd->a_addrany);  in explore_null()
523         GET_AI(cur->ai_next, afd, afd->a_loopback);  in explore_null()
541     const struct afd* afd;  in explore_numeric()  local
561     afd = find_afd(pai->ai_family);  in explore_numeric()
562     if (afd == NULL) return 0;  in explore_numeric()
564     if (inet_pton(afd->a_af, hostname, pton) == 1) {  in explore_numeric()
565         if (pai->ai_family == afd->a_af || pai->ai_family == PF_UNSPEC /*?*/) {  in explore_numeric()
566             GET_AI(cur->ai_next, afd, pton);  in explore_numeric()
598     const struct afd* afd;  in explore_numeric_scope()  local
616     afd = find_afd(pai->ai_family);  in explore_numeric_scope()
617     if (afd == NULL) return 0;  in explore_numeric_scope()
619     if (!afd->a_scoped) return explore_numeric(pai, hostname, servname, res, hostname);  in explore_numeric_scope()
666 static struct addrinfo* get_ai(const struct addrinfo* pai, const struct afd* afd,  in get_ai()  argument
672     assert(afd != NULL);  in get_ai()
680     ai->ai_addrlen = afd->a_socklen;  in get_ai()
681     ai->ai_addr->sa_family = ai->ai_family = afd->a_af;  in get_ai()
683     memcpy(p + afd->a_off, addr, (size_t) afd->a_addrlen);  in get_ai()
761 static const struct afd* find_afd(int af) {  in find_afd()
762     const struct afd* afd;  in find_afd()  local
765     for (afd = afdl; afd->a_af; afd++) {  in find_afd()
766         if (afd->a_af == af) return afd;  in find_afd()
821     const struct afd* afd;  in getanswer()  local
974                 afd = find_afd(ai.ai_family);  in getanswer()
975                 if (afd == NULL) {  in getanswer()
979                 cur->ai_next = get_ai(&ai, afd, (const char*) cp);  in getanswer()