Socket Address structure for 4.3BSD-based HP-UX

<netinet/in.h>

struct sockaddr_in {
 short			 sin_family; /*AF_INET */
 u_short			 sin_port; /* transport layer port number */
struct in_addr  sin_addr; /* IPv4 */
char            sin_zero[8];         /* Unused */
};

struct sockaddr_in6 {

  sa_family_t 			 sin6_family;			 /*AF_INET6 */
	 in_port_t		 	 sin6_port; 			/* transport layer port number.* /
  uint32_t			 sin6_flowinfo; 			/* traffic class */
  struct in6_addr  sin6_addr; 						/* IPv6*/
  uint32_t			 sin6_scope_id;			/* Address scope */