HP-UX IPv6 Porting Guide (September 2004)

Data Structure Changes
Socket Address structure for 4.3BSD-based HP-UX
Chapter 3 17
Socket Address structure for 4.3BSD-based HP-UX
Header file
<netinet/in.h>
IPv4 Structure
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 */
};
IPv6 Structure
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 */
}: