36 lines
1.2 KiB
C
36 lines
1.2 KiB
C
/* Determine the "endianness" of the CPU.
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Copyright (C) 1991, 1992, 1997 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Torbjorn Granlund (tege@sics.se).
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <stdio.h>
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main ()
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{
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unsigned long int i;
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if (sizeof (i) != 4)
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puts ("#error \"Not a 32-bit machine!\"");
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i = (((((('4' << 8) + '3') << 8) + '2') << 8) + '1');
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printf ("#define __BYTE_ORDER %.4s\n", (char *) &i);
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exit (0);
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}
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