671 			const struct in_addr *addr4,  in port_in_use()  argument
676 	if (addr4 != NULL) {  in port_in_use()
680 		sa.sin_addr = *addr4;  in port_in_use()
706 static inline bool port_in_use(uint16_t proto, uint16_t port, const struct in_addr *addr4,  in port_in_use()  argument
710 	ARG_UNUSED(addr4);  in port_in_use()
717 int dns_sd_handle_ptr_query(const struct dns_sd_rec *inst, const struct in_addr *addr4,  in dns_sd_handle_ptr_query()  argument
766 	if (!port_in_use(proto, ntohs(*(inst->port)), addr4, addr6)) {  in dns_sd_handle_ptr_query()
810 	if (addr4 != NULL) {  in dns_sd_handle_ptr_query()
811 		tmp = htonl(*(addr4->s4_addr32));  in dns_sd_handle_ptr_query()
831 				    const struct in_addr *addr4, const struct in6_addr *addr6,  in dns_sd_handle_service_type_enum()  argument
865 	if (!port_in_use(proto, ntohs(*(inst->port)), addr4, addr6)) {  in dns_sd_handle_service_type_enum()