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ioctl-types.h

/* Structure types for pre-termios terminal ioctls.  Generic Unix version.
   Copyright (C) 1996, 1997 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, write to the Free
   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   02111-1307 USA.  */

#ifndef _SYS_IOCTL_H
# error "Never use <bits/ioctl-types.h> directly; include <sys/ioctl.h> instead."
#endif

#if defined TIOCGETC || defined TIOCSETC
/* Type of ARG for TIOCGETC and TIOCSETC requests.  */
struct tchars
{
  char t_intrc;               /* Interrupt character.  */
  char t_quitc;               /* Quit character.  */
  char t_startc;        /* Start-output character.  */
  char t_stopc;               /* Stop-output character.  */
  char t_eofc;                /* End-of-file character.  */
  char t_brkc;                /* Input delimiter character.  */
};

#define     _IOT_tchars /* Hurd ioctl type field.  */ \
  _IOT (_IOTS (char), 6, 0, 0, 0, 0)
#endif

#if defined TIOCGLTC || defined TIOCSLTC
/* Type of ARG for TIOCGLTC and TIOCSLTC requests.  */
struct ltchars
{
  char t_suspc;               /* Suspend character.  */
  char t_dsuspc;        /* Delayed suspend character.  */
  char t_rprntc;        /* Reprint-line character.  */
  char t_flushc;        /* Flush-output character.  */
  char t_werasc;        /* Word-erase character.  */
  char t_lnextc;        /* Literal-next character.  */
};

#define     _IOT_ltchars      /* Hurd ioctl type field.  */ \
  _IOT (_IOTS (char), 6, 0, 0, 0, 0)
#endif

/* Type of ARG for TIOCGETP and TIOCSETP requests (and gtty and stty).  */
00057 struct sgttyb
{
  char sg_ispeed;       /* Input speed.  */
  char sg_ospeed;       /* Output speed.  */
  char sg_erase;        /* Erase character.  */
  char sg_kill;               /* Kill character.  */
  short int sg_flags;         /* Mode flags.  */
};

#define     _IOT_sgttyb /* Hurd ioctl type field.  */ \
  _IOT (_IOTS (char), 6, _IOTS (short int), 1, 0, 0)

#if defined TIOCGWINSZ || defined TIOCSWINSZ
/* Type of ARG for TIOCGWINSZ and TIOCSWINSZ requests.  */
struct winsize
{
  unsigned short int ws_row;  /* Rows, in characters.  */
  unsigned short int ws_col;  /* Columns, in characters.  */

  /* These are not actually used.  */
  unsigned short int ws_xpixel;     /* Horizontal pixels.  */
  unsigned short int ws_ypixel;     /* Vertical pixels.  */
};

#define     _IOT_winsize      /* Hurd ioctl type field.  */ \
  _IOT (_IOTS (unsigned short int), 4, 0, 0, 0, 0)
#endif

#if defined TIOCGSIZE || defined TIOCSSIZE
/* The BSD-style ioctl constructor macros use `sizeof', which can't be used
   in a preprocessor conditional.  Since the commands are always unique
   regardless of the size bits, we can safely define away `sizeof' for the
   purpose of the conditional.  */
#  define sizeof(type) 0
#  if defined TIOCGWINSZ && TIOCGSIZE == TIOCGWINSZ
/* Many systems that have TIOCGWINSZ define TIOCGSIZE for source
   compatibility with Sun; they define `struct ttysize' to have identical
   layout as `struct winsize' and #define TIOCGSIZE to be TIOCGWINSZ
   (likewise TIOCSSIZE and TIOCSWINSZ).  */
struct ttysize
{
  unsigned short int ts_lines;
  unsigned short int ts_cols;
  unsigned short int ts_xxx;
  unsigned short int ts_yyy;
};
#define     _IOT_ttysize      _IOT_winsize
#  else
/* Suns use a different layout for `struct ttysize', and TIOCGSIZE and
   TIOCGWINSZ are separate commands that do the same thing with different
   structures (likewise TIOCSSIZE and TIOCSWINSZ).  */
struct ttysize
{
  int ts_lines, ts_cols;      /* Lines and columns, in characters.  */
};
#  endif
#  undef sizeof               /* See above.  */
#endif

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