/* Copyright (C) 1997 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, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ #ifndef _BYTESWAP_H #define _BYTESWAP_H 1 /* Get the machine specific, optimized definitions. */ #include /* 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) #if defined __GNUC__ && __GNUC__ >= 2 /* Return a value with all bytes in the 64 bit argument swapped. */ # define bswap_64(x) __bswap_64 (x) #endif #endif /* byteswap.h */