glibc/sysdeps/unix/bsd/bits/sockaddr.h
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2018-01-01 00:32:25 +00:00

46 lines
1.6 KiB
C

/* Definition of struct sockaddr_* common members and sizes, BSD version.
Copyright (C) 1995-2018 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 char 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) \
unsigned char sa_prefix##len; \
sa_family_t sa_prefix##family
#define __SOCKADDR_COMMON_SIZE (2 * sizeof (unsigned char))
#define _HAVE_SA_LEN 1 /* We have the sa_len field. */
/* Size of struct sockaddr_storage. */
#define _SS_SIZE 128
#endif /* bits/sockaddr.h */