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glibc/string/byteswap.h
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/* Copyright (C) 1997-2016 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/>. */ | |
#ifndef _BYTESWAP_H | |
#define _BYTESWAP_H 1 | |
#include <features.h> | |
/* Get the machine specific, optimized definitions. */ | |
#include <bits/byteswap.h> | |
/* The following definitions must all be macros since otherwise some | |
of the possible optimizations are not possible. */ | |
/* Return a value with all bytes in the 16 bit argument swapped. */ | |
#define bswap_16(x) __bswap_16 (x) | |
/* Return a value with all bytes in the 32 bit argument swapped. */ | |
#define bswap_32(x) __bswap_32 (x) | |
/* Return a value with all bytes in the 64 bit argument swapped. */ | |
#define bswap_64(x) __bswap_64 (x) | |
#endif /* byteswap.h */ |