text: /* Structure types for pre-termios terminal ioctls.  Linux version.
     Copyright (C) 1996-2019 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 Lesser General Public
     License as published by the Free Software Foundation; either
     version 2.1 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
     Lesser General Public License for more details.
  
     You should have received a copy of the GNU Lesser General Public
     License along with the GNU C Library; if not, see
     <http://www.gnu.org/licenses/>.  */
  
  #ifndef _SYS_IOCTL_H
  # error "Never use <bits/ioctl-types.h> directly; include <sys/ioctl.h> instead."
  #endif
  
  /* Get definition of constants for use with `ioctl'.  */
  #include <asm/ioctls.h>
  
  
  struct winsize
    {
      unsigned short int ws_row;
      unsigned short int ws_col;
      unsigned short int ws_xpixel;
      unsigned short int ws_ypixel;
    };
  
  #define NCC 8
  struct termio
    {
      unsigned short int c_iflag;		/* input mode flags */
      unsigned short int c_oflag;		/* output mode flags */
      unsigned short int c_cflag;		/* control mode flags */
      unsigned short int c_lflag;		/* local mode flags */
      unsigned char c_line;		/* line discipline */
      unsigned char c_cc[NCC];		/* control characters */
  };
  
  /* modem lines */
  #define TIOCM_LE	0x001
  #define TIOCM_DTR	0x002
  #define TIOCM_RTS	0x004
  #define TIOCM_ST	0x008
  #define TIOCM_SR	0x010
  #define TIOCM_CTS	0x020
  #define TIOCM_CAR	0x040
  #define TIOCM_RNG	0x080
  #define TIOCM_DSR	0x100
  #define TIOCM_CD	TIOCM_CAR
  #define TIOCM_RI	TIOCM_RNG
  
  /* ioctl (fd, TIOCSERGETLSR, &result) where result may be as below */
  
  /* line disciplines */
  #define N_TTY		0
  #define N_SLIP		1
  #define N_MOUSE		2
  #define N_PPP		3
  #define N_STRIP		4
  #define N_AX25		5
  #define N_X25		6	/* X.25 async  */
  #define N_6PACK		7
  #define N_MASC		8	/* Mobitex module  */
  #define N_R3964		9	/* Simatic R3964 module  */
  #define N_PROFIBUS_FDL	10	/* Profibus  */
  #define N_IRDA		11	/* Linux IR  */
  #define N_SMSBLOCK	12	/* SMS block mode  */
  #define N_HDLC		13	/* synchronous HDLC  */
  #define N_SYNC_PPP	14	/* synchronous PPP  */
  #define	N_HCI		15	/* Bluetooth HCI UART  */
  