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Annotation of Net2/kern/tty_conf.c, revision 1.1.1.1

1.1       root        1: /*-
                      2:  * Copyright (c) 1982, 1986, 1991 The Regents of the University of California.
                      3:  * All rights reserved.
                      4:  *
                      5:  * Redistribution and use in source and binary forms, with or without
                      6:  * modification, are permitted provided that the following conditions
                      7:  * are met:
                      8:  * 1. Redistributions of source code must retain the above copyright
                      9:  *    notice, this list of conditions and the following disclaimer.
                     10:  * 2. Redistributions in binary form must reproduce the above copyright
                     11:  *    notice, this list of conditions and the following disclaimer in the
                     12:  *    documentation and/or other materials provided with the distribution.
                     13:  * 3. All advertising materials mentioning features or use of this software
                     14:  *    must display the following acknowledgement:
                     15:  *     This product includes software developed by the University of
                     16:  *     California, Berkeley and its contributors.
                     17:  * 4. Neither the name of the University nor the names of its contributors
                     18:  *    may be used to endorse or promote products derived from this software
                     19:  *    without specific prior written permission.
                     20:  *
                     21:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     22:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     23:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     24:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     25:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     26:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     27:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     28:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     29:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     30:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     31:  * SUCH DAMAGE.
                     32:  *
                     33:  *     @(#)tty_conf.c  7.6 (Berkeley) 5/9/91
                     34:  */
                     35: 
                     36: #include "param.h"
                     37: #include "systm.h"
                     38: #include "buf.h"
                     39: #include "ioctl.h"
                     40: #include "tty.h"
                     41: #include "conf.h"
                     42: 
                     43: int    enodev();
                     44: int    nullop();
                     45: 
                     46: int    ttyopen(),ttylclose(),ttread(),ttwrite(),nullioctl(),ttstart();
                     47: int    ttymodem(), nullmodem(), ttyinput();
                     48: 
                     49: #include "tb.h"
                     50: #if NTB > 0
                     51: int    tbopen(),tbclose(),tbread(),tbinput(),tbioctl();
                     52: #endif
                     53: 
                     54: #include "sl.h"
                     55: #if NSL > 0
                     56: int    slopen(),slclose(),slinput(),sltioctl(),slstart();
                     57: #endif
                     58: 
                     59: 
                     60: struct linesw linesw[] =
                     61: {
                     62:        ttyopen, ttylclose, ttread, ttwrite, nullioctl,
                     63:        ttyinput, enodev, nullop, ttstart, ttymodem,    /* 0- termios */
                     64: 
                     65:        enodev, enodev, enodev, enodev, enodev,         /* 1- defunct */
                     66:        enodev, enodev, enodev, enodev, enodev,
                     67: 
                     68:        enodev, enodev, enodev, enodev, enodev,         /* 2- defunct */
                     69:        enodev, enodev, enodev, enodev, enodev,
                     70: #if NTB > 0
                     71:        tbopen, tbclose, tbread, enodev, tbioctl,
                     72:        tbinput, enodev, nullop, ttstart, nullmodem,    /* 3- TABLDISC */
                     73: #else
                     74:        enodev, enodev, enodev, enodev, enodev,
                     75:        enodev, enodev, enodev, enodev, enodev,
                     76: #endif
                     77: #if NSL > 0
                     78:        slopen, slclose, enodev, enodev, sltioctl,
                     79:        slinput, enodev, nullop, slstart, nullmodem,    /* 4- SLIPDISC */
                     80: #else
                     81:        enodev, enodev, enodev, enodev, enodev,
                     82:        enodev, enodev, enodev, enodev, enodev,
                     83: #endif
                     84: };
                     85: 
                     86: int    nldisp = sizeof (linesw) / sizeof (linesw[0]);
                     87: 
                     88: /*
                     89:  * Do nothing specific version of line
                     90:  * discipline specific ioctl command.
                     91:  */
                     92: /*ARGSUSED*/
                     93: nullioctl(tp, cmd, data, flags)
                     94:        struct tty *tp;
                     95:        char *data;
                     96:        int flags;
                     97: {
                     98: 
                     99: #ifdef lint
                    100:        tp = tp; data = data; flags = flags;
                    101: #endif
                    102:        return (-1);
                    103: }

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