string/endian.h

   1 /* Copyright (C) 1992, 1996, 1997 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 not,
  16    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  17    Boston, MA 02111-1307, USA.  */
  18
  19 #ifndef _ENDIAN_H
  20 #define _ENDIAN_H       1
  21
  22 #include <features.h>
  23
  24 /* Definitions for byte order, according to significance of bytes, from low
  25    addresses to high addresses.  The value is what you get by putting '4'
  26    in the most significant byte, '3' in the second most significant byte,
  27    '2' in the second least significant byte, and '1' in the least
  28    significant byte.  */
  29
  30 #define __LITTLE_ENDIAN 1234
  31 #define __BIG_ENDIAN    4321
  32 #define __PDP_ENDIAN    3412
  33
  34 /* This file defines `__BYTE_ORDER' for the particular machine.  */
  35 #include <bits/endian.h>
  36
  37 #ifdef  __USE_BSD
  38 # define LITTLE_ENDIAN  __LITTLE_ENDIAN
  39 # define BIG_ENDIAN     __BIG_ENDIAN
  40 # define PDP_ENDIAN     __PDP_ENDIAN
  41 # define BYTE_ORDER     __BYTE_ORDER
  42 #endif
  43
  44 #endif  /* endian.h */