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43 lines
1.5 KiB
C
43 lines
1.5 KiB
C
/* Definition of `struct sockaddr_*' common members. 4.4 BSD version.
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Copyright (C) 1995-2015 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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/*
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* Never include this file directly; use <sys/socket.h> instead.
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*/
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#ifndef _BITS_SOCKADDR_H
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#define _BITS_SOCKADDR_H 1
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/* POSIX.1g specifies this type name for the `sa_family' member. */
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typedef unsigned char sa_family_t;
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/* This macro is used to declare the initial common members
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of the data types used for socket addresses, `struct sockaddr',
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`struct sockaddr_in', `struct sockaddr_un', etc. */
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#define __SOCKADDR_COMMON(sa_prefix) \
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unsigned char sa_prefix##len; \
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sa_family_t sa_prefix##family
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#define __SOCKADDR_COMMON_SIZE (2 * sizeof (unsigned char))
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#define _HAVE_SA_LEN 1 /* We have the sa_len field. */
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#endif /* bits/sockaddr.h */
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