#ifndef _SYS_SOCKADDR_H #define _SYS_SOCKADDR_H 1 /* POSIX.1g specifies this type name for the `sa_family' member. */ typedef unsigned short int sa_family_t; /* This macro is used to declare the initial common members of the data types used for socket addresses, `struct sockaddr', `struct sockaddr_in', `struct sockaddr_un', etc. */ #define __SOCKADDR_COMMON(sa_prefix) \ sa_family_t sa_prefix##family #define __SOCKADDR_COMMON_SIZE (sizeof (unsigned short int)) #endif