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/*
* Mach Operating System
* Copyright (c) 1987 Carnegie-Mellon University
* All rights reserved. The CMU software License Agreement specifies
* the terms and conditions for use and redistribution.
*/
/*
*
* HISTORY
* 13-Feb-88 John Seamons (jks) at NeXT
* NeXT: added d_getc and d_putc entries in cdevsw for console support.
*
* 18-Nov-87 Avadis Tevanian (avie) at Carnegie-Mellon University
* Removed conditionals, history.
*/
/*
* Copyright (c) 1982, 1986 Regents of the University of California.
* All rights reserved. The Berkeley software License Agreement
* specifies the terms and conditions for redistribution.
*
* @(#)conf.h 7.1 (Berkeley) 6/4/86
*/
#ifndef _SYS_CONF_H_
#define _SYS_CONF_H_ 1
extern int nulldev();
extern int nodev();
/*
* Declaration of block device
* switch. Each entry (row) is
* the only link between the
* main unix code and the driver.
* The initialization of the
* device switches is in the
* file conf.c.
*/
struct bdevsw
{
int (*d_open)();
int (*d_close)();
int (*d_strategy)();
int (*d_dump)();
int (*d_psize)();
int d_flags;
};
#ifdef KERNEL
extern struct bdevsw bdevsw[];
extern int nblkdev;
/*
* Contents of empty bdevsw slot.
*/
#define NO_BDEVICE \
{ nodev, nodev, nodev, nodev, \
0, 0 }
#endif
/*
* Character device switch.
*/
struct cdevsw
{
int (*d_open)();
int (*d_close)();
int (*d_read)();
int (*d_write)();
int (*d_ioctl)();
int (*d_stop)();
int (*d_reset)();
int (*d_select)();
int (*d_mmap)();
#if NeXT
int (*d_getc)();
int (*d_putc)();
#endif
};
#ifdef KERNEL
extern struct cdevsw cdevsw[];
extern int nchrdev;
/*
* Contents of empty cdevsw slot.
*/
#define NO_CDEVICE \
{ \
nodev, nodev, nodev, nodev, \
nodev, nodev, nodev, seltrue, \
nodev, nodev, nodev, \
}
#endif
/*
* tty line control switch.
*/
struct linesw
{
int (*l_open)();
int (*l_close)();
int (*l_read)();
int (*l_write)();
int (*l_ioctl)();
int (*l_rint)();
int (*l_rend)();
int (*l_meta)();
int (*l_start)();
int (*l_modem)();
#if romp || NeXT
int (*l_select)();
#endif
#if NeXT
int l_kind; /* if 0, follows normal clist usage */
#endif
};
#ifdef KERNEL
struct linesw linesw[];
#endif
#endif
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