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				|  |  | -/* Definitions of macros to access `dev_t' values.
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				|  |  | -   Copyright (C) 1996, 1997, 1999 Free Software Foundation, Inc.
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				|  |  | -   This file is part of the GNU C Library.
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				|  |  | -
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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 Lesser General Public
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				|  |  | -   License as published by the Free Software Foundation; either
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				|  |  | -   version 2.1 of the License, or (at your option) any later version.
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				|  |  | -
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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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				|  |  | -   Lesser General Public License for more details.
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				|  |  | -
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				|  |  | -   You should have received a copy of the GNU Lesser General Public
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				|  |  | -   License along with the GNU C Library; if not, write to the Free
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				|  |  | -   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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				|  |  | -   02111-1307 USA.  */
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				|  |  | -
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				|  |  | -#ifndef _SYS_SYSMACROS_H
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				|  |  | -#define _SYS_SYSMACROS_H	1
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				|  |  | -
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				|  |  | -#include <bits/wordsize.h>
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				|  |  | -
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				|  |  | -/* For compatibility we provide alternative names.
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				|  |  | -
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				|  |  | -   The problem here is that compilers other than GCC probably don't
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				|  |  | -   have the `long long' type and so `dev_t' is actually an array.  */
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				|  |  | -#if __WORDSIZE == 64 || (defined __GNUC__ && __GNUC__ >= 2)
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				|  |  | -# define major(dev) ((int)(((dev) >> 8) & 0xff))
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				|  |  | -# define minor(dev) ((int)((dev) & 0xff))
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				|  |  | -# define makedev(major, minor) ((((unsigned int) (major)) << 8) \
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				|  |  | -				| ((unsigned int) (minor)))
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				|  |  | -#else
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				|  |  | -# define major(dev) (((dev).__val[1] >> 8) & 0xff)
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				|  |  | -# define minor(dev) ((dev).__val[1] & 0xff)
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				|  |  | -# define makedev(major, minor) { 0, ((((unsigned int) (major)) << 8) \
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				|  |  | -				     | ((unsigned int) (minor))) }
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				|  |  | -#endif
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				|  |  | -
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				|  |  | -#endif /* sys/sysmacros.h */
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