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Prevent double inclusion.

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This commit is contained in:
Andreas Jaeger
2002-01-08 10:19:35 +00:00
parent 8e57fc7083
commit 5c26fecb6f
7 changed files with 42 additions and 9 deletions
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7
sysdeps/generic/bits/byteswap.h
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@ -1,5 +1,5 @@
/* Macros to swap the order of bytes in integer values.
Copyright (C) 1997, 1998, 2000, 2001 Free Software Foundation, Inc.
Copyright (C) 1997, 1998, 2000, 2001, 2002 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
@ -21,6 +21,9 @@
# error "Never use <bits/byteswap.h> directly; include <byteswap.h> instead."
#endif
#ifndef _BITS_BYTESWAP_H
#define _BITS_BYTESWAP_H 1
/* Swap bytes in 16 bit value. */
#ifdef __GNUC__
# define __bswap_16(x) \
@ -77,3 +80,5 @@ __bswap_32 (unsigned int __bsx)
} \
__r.__ll; }))
#endif
#endif /* _BITS_BYTESWAP_H */