1 /* Definition of `struct sockaddr_*' common members. 4.4 BSD version.
2 Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Library General Public License as
7 published by the Free Software Foundation; either version 2 of the
8 License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Library General Public License for more details.
15 You should have received a copy of the GNU Library General Public
16 License along with the GNU C Library; see the file COPYING.LIB. If not,
17 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 Boston, MA 02111-1307, USA. */
20 #ifndef _SOCKADDRCOM_H
21 #define _SOCKADDRCOM_H 1
24 /* POSIX.1g specifies this type name for the `sa_family' member. */
25 typedef unsigned char sa_family_t
;
27 /* This macro is used to declare the initial common members
28 of the data types used for socket addresses, `struct sockaddr',
29 `struct sockaddr_in', `struct sockaddr_un', etc. */
31 #define __SOCKADDR_COMMON(sa_prefix) \
32 unsigned char sa_prefix##len; \
33 sa_family_t sa_prefix##family
35 #define __SOCKADDR_COMMON_SIZE (2 * sizeof (unsigned char))
38 #endif /* sockaddrcom.h */