654 	if (hints->ai_socktype == 0 && hints->ai_protocol == 0) {  in evutil_new_addrinfo()
659 		tmp.ai_socktype = SOCK_STREAM; tmp.ai_protocol = IPPROTO_TCP;  in evutil_new_addrinfo()
663 		tmp.ai_socktype = SOCK_DGRAM; tmp.ai_protocol = IPPROTO_UDP;  in evutil_new_addrinfo()
684 	res->ai_protocol = hints->ai_protocol;  in evutil_new_addrinfo()
771 	if (!hints->ai_protocol && hints->ai_socktype) {  in evutil_getaddrinfo_infer_protocols()
773 			hints->ai_protocol = IPPROTO_UDP;  in evutil_getaddrinfo_infer_protocols()
775 			hints->ai_protocol = IPPROTO_TCP;  in evutil_getaddrinfo_infer_protocols()
779 	if (!hints->ai_socktype && hints->ai_protocol) {  in evutil_getaddrinfo_infer_protocols()
780 		if (hints->ai_protocol == IPPROTO_UDP)  in evutil_getaddrinfo_infer_protocols()
782 		else if (hints->ai_protocol == IPPROTO_TCP)  in evutil_getaddrinfo_infer_protocols()
785 		else if (hints->ai_protocol == IPPROTO_SCTP)  in evutil_getaddrinfo_infer_protocols()
826 	pname = evutil_unparse_protoname(hints->ai_protocol);  in evutil_getaddrinfo_common()
1111 	if (ai2 && ai2->ai_protocol == 0) {  in test_for_getaddrinfo_hacks()
1168 		if (ai->ai_socktype || ai->ai_protocol)  in apply_socktype_protocol_hack()
1175 		ai->ai_protocol = IPPROTO_TCP;  in apply_socktype_protocol_hack()
1177 		ai_new->ai_protocol = IPPROTO_UDP;  in apply_socktype_protocol_hack()