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30 lines
1.2 KiB
C
30 lines
1.2 KiB
C
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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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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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#ifndef _SYS_SYSMACROS_H
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#define _SYS_SYSMACROS_H 1
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/* For compatibility we provide alternative names. */
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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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#endif /* sys/sysmacros.h */
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