string/endian.h

   1 /* Copyright (C) 1992 Free Software Foundation, Inc.
   2 This file is part of the GNU C Library.
   3
   4 The GNU C Library is free software; you can redistribute it and/or
   5 modify it under the terms of the GNU Library General Public License as
   6 published by the Free Software Foundation; either version 2 of the
   7 License, or (at your option) any later version.
   8
   9 The GNU C Library is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12 Library General Public License for more details.
  13
  14 You should have received a copy of the GNU Library General Public
  15 License along with the GNU C Library; see the file COPYING.LIB.  If
  16 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
  17 Cambridge, MA 02139, USA.  */
  18
  19 #ifndef _ENDIAN_H
  20 #define _ENDIAN_H       1
  21 #include <features.h>
  22
  23 /* Definitions for byte order, according to significance of bytes, from low
  24    addresses to high addresses.  The value is what you get by putting '4'
  25    in the most significant byte, '3' in the second most significant byte,
  26    '2' in the second least significant byte, and '1' in the least
  27    significant byte.  */
  28
  29 #define __LITTLE_ENDIAN 1234
  30 #define __BIG_ENDIAN    4321
  31 #define __PDP_ENDIAN    3412
  32
  33 /* This file defines `__BYTE_ORDER' for the particular machine.  */
  34 #include <bytesex.h>
  35
  36 #ifdef  __USE_BSD
  37 #define LITTLE_ENDIAN   __LITTLE_ENDIAN
  38 #define BIG_ENDIAN      __BIG_ENDIAN
  39 #define PDP_ENDIAN      __PDP_ENDIAN
  40 #define BYTE_ORDER      __BYTE_ORDER
  41 #endif
  42
  43 #endif  /* endian.h */