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28f540f4 | 1 | /* Definition of `struct sockaddr_*' common members. Generic/4.2 BSD version. |
4bca4c17 | 2 | Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc. |
54d79e99 UD |
3 | This file is part of the GNU C Library. |
4 | ||
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. | |
9 | ||
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. | |
14 | ||
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. */ | |
28f540f4 | 19 | |
5107cf1d UD |
20 | /* |
21 | * Never include this file directly; use <sys/socket.h> instead. | |
22 | */ | |
23 | ||
24 | #ifndef _BITS_SOCKADDR_H | |
25 | #define _BITS_SOCKADDR_H 1 | |
28f540f4 RM |
26 | |
27 | ||
fd26970f UD |
28 | /* POSIX.1g specifies this type name for the `sa_family' member. */ |
29 | typedef unsigned short int sa_family_t; | |
30 | ||
28f540f4 RM |
31 | /* This macro is used to declare the initial common members |
32 | of the data types used for socket addresses, `struct sockaddr', | |
33 | `struct sockaddr_in', `struct sockaddr_un', etc. */ | |
34 | ||
35 | #define __SOCKADDR_COMMON(sa_prefix) \ | |
fd26970f | 36 | sa_family_t sa_prefix##family |
28f540f4 RM |
37 | |
38 | #define __SOCKADDR_COMMON_SIZE (sizeof (unsigned short int)) | |
39 | ||
4bca4c17 UD |
40 | /* Return the length of a `sockaddr' structure. */ |
41 | #define SA_LEN(_x) __libc_sa_len((_x)->sa_family) | |
42 | extern int __libc_sa_len __P ((sa_family_t __af)); | |
28f540f4 | 43 | |
5107cf1d | 44 | #endif /* bits/sockaddr.h */ |