((struct sockaddr_in6 *)&myipnum)->sin6_port = 0;
myipnum.ss_family = AF_INET6;
SET_SS_LEN(&myipnum, sizeof(struct sockaddr_in6));
((struct sockaddr_in6 *)&myipnum)->sin6_port = 0;
myipnum.ss_family = AF_INET6;
SET_SS_LEN(&myipnum, sizeof(struct sockaddr_in6));