2 sa_family_t sin6_family; /* AF_INET6 */
3 in_port_t sin6_port; /* port number */
4 uint32_t sin6_flowinfo; /* IPv6 flow information */
5 struct in6_addr sin6_addr; /* IPv6 address */
6 uint32_t sin6_scope_id; /* Scope id (new in 2.4) */
9 uint8_t s6_addr[16]; /* IPv6 address */