glibc/sysdeps/unix/sysv/linux/sys/sysmacros.h

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1996-08-02 13:27:50 +08:00
/* Definitions of macros to access `dev_t' values.
Copyright (C) 1996 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#ifndef _SYS_SYSMACROS_H
#define _SYS_SYSMACROS_H 1
/* Get definition from kernel header. */
#include <linux/kdev_t.h>
/* For compatibility we provide alternative names. */
#define major(dev) MAJOR ((unsigned int) (dev))
#define minor(dev) MINOR ((unsigned int) (dev))
#define makedev(major, minor) MKDEV (major, minor)
#endif /* sys/sysmacros.h */