text: /*	$NetBSD: ttycom.h,v 1.21 2017/10/25 06:32:59 kre Exp $	*/
  
  /*-
   * Copyright (c) 1982, 1986, 1990, 1993, 1994
   *	The Regents of the University of California.  All rights reserved.
   * (c) UNIX System Laboratories, Inc.
   * All or some portions of this file are derived from material licensed
   * to the University of California by American Telephone and Telegraph
   * Co. or Unix System Laboratories, Inc. and are reproduced herein with
   * the permission of UNIX System Laboratories, Inc.
   *
   * 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. 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.
   *
   *	@(#)ttycom.h	8.1 (Berkeley) 3/28/94
   */
  
  #ifndef _SYS_TTYCOM_H_
  #define _SYS_TTYCOM_H_
  
  #include <sys/syslimits.h>
  #include <sys/ioccom.h>
  
  /*
   * Tty ioctl's except for those supported only for backwards compatibility
   * with the old tty driver.
   */
  
  /*
   * Window/terminal size structure.  This information is stored by the kernel
   * in order to provide a consistent interface, but is not used by the kernel.
   */
  struct winsize {
    unsigned short ws_row;    /* rows, in characters */
    unsigned short ws_col;    /* columns, in characters */
    unsigned short ws_xpixel; /* horizontal size, pixels */
    unsigned short ws_ypixel; /* vertical size, pixels */
  };
  
  /*
   * This is the maximum length of a line discipline's name.
   */
  #define TTLINEDNAMELEN 32
  typedef char linedn_t[TTLINEDNAMELEN];
  
  #define TIOCGLINED _IOR('t', 66, linedn_t)      /* get line discipline (new) */
  #define TIOCGETA _IOR('t', 19, struct termios)  /* get termios struct */
  #define TIOCSETA _IOW('t', 20, struct termios)  /* set termios struct */
  #define TIOCSETAW _IOW('t', 21, struct termios) /* drain output, set */
  #define TIOCSETAF _IOW('t', 22, struct termios) /* drn out, fls in, set */
  #define TIOCSCTTY _IO('t', 97)                  /* become controlling tty */
  #define TIOCGWINSZ _IOR('t', 104, struct winsize) /* get window size */
  #define TIOCSWINSZ _IOW('t', 103, struct winsize) /* set window size */
  #define TIOCPTSNAME _IOW('t', 105, char *)        /* get slave device path */
  #define TIOCSTART _IO('t', 110)                   /* start output, like ^Q */
  #define TIOCSTOP _IO('t', 111)                    /* stop output, like ^S */
  #define TIOCGPGRP _IOR('t', 119, int)             /* get pgrp of tty */
  #define TIOCSPGRP _IOW('t', 118, int)             /* set pgrp of tty */
  #define TIOCGQSIZE _IOR('t', 129, int)            /* get queue size */
  
  #endif /* !_SYS_TTYCOM_H_ */
  