171                 int af, const union in_addr_union *match) {  in answer_add_addresses_ptr()  argument
183                 if (af != AF_UNSPEC) {  in answer_add_addresses_ptr()
185                         if (addresses[j].family != af)  in answer_add_addresses_ptr()
188                         if (match && !in_addr_equal(af, match, &addresses[j].address))  in answer_add_addresses_ptr()
212         int n = 0, af;  in synthesize_system_hostname_rr()  local
218         af = dns_type_to_af(key->type);  in synthesize_system_hostname_rr()
219         if (af >= 0) {  in synthesize_system_hostname_rr()
220                 n = local_addresses(m->rtnl, ifindex, af, &addresses);  in synthesize_system_hostname_rr()
230                         if (IN_SET(af, AF_INET, AF_UNSPEC))  in synthesize_system_hostname_rr()
237                         if (IN_SET(af, AF_INET6, AF_UNSPEC) && socket_ipv6_is_enabled())  in synthesize_system_hostname_rr()
253 static int synthesize_system_hostname_ptr(Manager *m, int af, const union in_addr_union *address, i…  in synthesize_system_hostname_ptr()  argument
262         if (af == AF_INET && address->in.s_addr == htobe32(0x7F000002)) {  in synthesize_system_hostname_ptr()
289         n = local_addresses(m->rtnl, ifindex, af, &addresses);  in synthesize_system_hostname_ptr()
293         r = answer_add_addresses_ptr(answer, m->full_hostname, addresses, n, af, address);  in synthesize_system_hostname_ptr()
299         r = answer_add_addresses_ptr(answer, m->llmnr_hostname, addresses, n, af, address);  in synthesize_system_hostname_ptr()
305         r = answer_add_addresses_ptr(answer, m->mdns_hostname, addresses, n, af, address);  in synthesize_system_hostname_ptr()
318 …int (*lookup)(sd_netlink *context, int ifindex, int af, struct local_address **ret), /* either loc…  in synthesize_gateway_rr()  argument
321         int n = 0, af, r;  in synthesize_gateway_rr()  local
328         af = dns_type_to_af(key->type);  in synthesize_gateway_rr()
329         if (af >= 0) {  in synthesize_gateway_rr()
330                 n = lookup(m->rtnl, ifindex, af, &addresses);  in synthesize_gateway_rr()
336                         if (af == AF_INET)  in synthesize_gateway_rr()
339                                 assert(af == AF_INET6);  in synthesize_gateway_rr()
358 static int synthesize_gateway_ptr(Manager *m, int af, const union in_addr_union *address, int ifind…  in synthesize_gateway_ptr()  argument
366         n = local_gateways(m->rtnl, ifindex, af, &addresses);  in synthesize_gateway_ptr()
370         return answer_add_addresses_ptr(answer, "_gateway", addresses, n, af, address);  in synthesize_gateway_ptr()
390                 int af;  in dns_synthesize_answer()  local
444                 } else if (dns_name_address(name, &af, &address) > 0) {  in dns_synthesize_answer()
447                         v = synthesize_system_hostname_ptr(m, af, &address, ifindex, &answer);  in dns_synthesize_answer()
451                         w = synthesize_gateway_ptr(m, af, &address, ifindex, &answer);  in dns_synthesize_answer()