302 int icmp_sock;			/* receive (icmp) socket file descriptor */  variable
346 	icmp_sock = socket(AF_INET6, SOCK_RAW, IPPROTO_ICMPV6);  in main()
493 	if (icmp_sock < 0) {  in main()
500 	setsockopt(icmp_sock, SOL_IPV6, IPV6_RECVPKTINFO, &on, sizeof(on));  in main()
501 	setsockopt(icmp_sock, SOL_IPV6, IPV6_2292PKTINFO, &on, sizeof(on));  in main()
503 	setsockopt(icmp_sock, SOL_IPV6, IPV6_PKTINFO, &on, sizeof(on));  in main()
507 		setsockopt(icmp_sock, SOL_SOCKET, SO_DEBUG,  in main()
510 		setsockopt(icmp_sock, SOL_SOCKET, SO_DONTROUTE,  in main()
515 	if (setsockopt(icmp_sock, SOL_RAW, IPV6_CHECKSUM, &on, sizeof(on)) < 0) {  in main()
580 	if (bind(icmp_sock, (struct sockaddr *)&saddr, sizeof(saddr)) < 0) {  in main()
609 			while ((cc = wait_for_reply(icmp_sock, &from, &to, reset_timer)) != 0) {  in main()
700 		cc = recvmsg(icmp_sock, &msg, 0);