|  | /* Definition of `struct sockaddr_*' common members.  Generic/4.2 BSD version. | 
|  | Copyright (C) 1995-2016 Free Software Foundation, Inc. | 
|  | This file is part of the GNU C Library. | 
|  |  | 
|  | The GNU C Library is free software; you can redistribute it and/or | 
|  | modify it under the terms of the GNU Lesser General Public | 
|  | License as published by the Free Software Foundation; either | 
|  | version 2.1 of the License, or (at your option) any later version. | 
|  |  | 
|  | The GNU C Library is distributed in the hope that it will be useful, | 
|  | but WITHOUT ANY WARRANTY; without even the implied warranty of | 
|  | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU | 
|  | Lesser General Public License for more details. | 
|  |  | 
|  | You should have received a copy of the GNU Lesser General Public | 
|  | License along with the GNU C Library; if not, see | 
|  | <http://www.gnu.org/licenses/>.  */ | 
|  |  | 
|  | /* | 
|  | * Never include this file directly; use <sys/socket.h> instead. | 
|  | */ | 
|  |  | 
|  | #ifndef _BITS_SOCKADDR_H | 
|  | #define _BITS_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	/* bits/sockaddr.h */ |