41 lines
1.5 KiB
C
41 lines
1.5 KiB
C
/* Copyright (C) 1997 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 Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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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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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#ifndef _BYTESWAP_H
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#define _BYTESWAP_H 1
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/* Get the machine specific, optimized definitions. */
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#include <bits/byteswap.h>
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/* The following definitions must all be macros since otherwise some
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of the possible optimizations are not possible. */
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/* Return a value with all bytes in the 16 bit argument swapped. */
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#define bswap_16(x) __bswap_16 (x)
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/* Return a value with all bytes in the 32 bit argument swapped. */
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#define bswap_32(x) __bswap_32 (x)
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#if defined __GNUC__ && __GNUC__ >= 2
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/* Return a value with all bytes in the 64 bit argument swapped. */
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# define bswap_64(x) __bswap_64 (x)
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#endif
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#endif /* byteswap.h */
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