Source to kern/tty_conf.c
/*-
* Copyright (c) 1982, 1986, 1991 The Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)tty_conf.c 7.6 (Berkeley) 5/9/91
*/
#include "param.h"
#include "systm.h"
#include "buf.h"
#include "ioctl.h"
#include "tty.h"
#include "conf.h"
int enodev();
int nullop();
int ttyopen(),ttylclose(),ttread(),ttwrite(),nullioctl(),ttstart();
int ttymodem(), nullmodem(), ttyinput();
#include "tb.h"
#if NTB > 0
int tbopen(),tbclose(),tbread(),tbinput(),tbioctl();
#endif
#include "sl.h"
#if NSL > 0
int slopen(),slclose(),slinput(),sltioctl(),slstart();
#endif
struct linesw linesw[] =
{
ttyopen, ttylclose, ttread, ttwrite, nullioctl,
ttyinput, enodev, nullop, ttstart, ttymodem, /* 0- termios */
enodev, enodev, enodev, enodev, enodev, /* 1- defunct */
enodev, enodev, enodev, enodev, enodev,
enodev, enodev, enodev, enodev, enodev, /* 2- defunct */
enodev, enodev, enodev, enodev, enodev,
#if NTB > 0
tbopen, tbclose, tbread, enodev, tbioctl,
tbinput, enodev, nullop, ttstart, nullmodem, /* 3- TABLDISC */
#else
enodev, enodev, enodev, enodev, enodev,
enodev, enodev, enodev, enodev, enodev,
#endif
#if NSL > 0
slopen, slclose, enodev, enodev, sltioctl,
slinput, enodev, nullop, slstart, nullmodem, /* 4- SLIPDISC */
#else
enodev, enodev, enodev, enodev, enodev,
enodev, enodev, enodev, enodev, enodev,
#endif
};
int nldisp = sizeof (linesw) / sizeof (linesw[0]);
/*
* Do nothing specific version of line
* discipline specific ioctl command.
*/
/*ARGSUSED*/
nullioctl(tp, cmd, data, flags)
struct tty *tp;
char *data;
int flags;
{
#ifdef lint
tp = tp; data = data; flags = flags;
#endif
return (-1);
}