1  /* Structure types for pre-termios terminal ioctls.  Generic Unix version.
       2     Copyright (C) 1996-2023 Free Software Foundation, Inc.
       3     This file is part of the GNU C Library.
       4  
       5     The GNU C Library is free software; you can redistribute it and/or
       6     modify it under the terms of the GNU Lesser General Public
       7     License as published by the Free Software Foundation; either
       8     version 2.1 of the License, or (at your option) any later version.
       9  
      10     The GNU C Library is distributed in the hope that it will be useful,
      11     but WITHOUT ANY WARRANTY; without even the implied warranty of
      12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      13     Lesser General Public License for more details.
      14  
      15     You should have received a copy of the GNU Lesser General Public
      16     License along with the GNU C Library; if not, see
      17     <https://www.gnu.org/licenses/>.  */
      18  
      19  #ifndef _SYS_IOCTL_H
      20  # error "Never use <bits/ioctl-types.h> directly; include <sys/ioctl.h> instead."
      21  #endif
      22  
      23  #if defined TIOCGETC || defined TIOCSETC
      24  /* Type of ARG for TIOCGETC and TIOCSETC requests.  */
      25  struct tchars
      26  {
      27    char t_intrc;			/* Interrupt character.  */
      28    char t_quitc;			/* Quit character.  */
      29    char t_startc;		/* Start-output character.  */
      30    char t_stopc;			/* Stop-output character.  */
      31    char t_eofc;			/* End-of-file character.  */
      32    char t_brkc;			/* Input delimiter character.  */
      33  };
      34  
      35  # define	_IOT_tchars	/* Hurd ioctl type field.  */ \
      36    _IOT (_IOTS (char), 6, 0, 0, 0, 0)
      37  #endif
      38  
      39  #if defined TIOCGLTC || defined TIOCSLTC
      40  /* Type of ARG for TIOCGLTC and TIOCSLTC requests.  */
      41  struct ltchars
      42  {
      43    char t_suspc;			/* Suspend character.  */
      44    char t_dsuspc;		/* Delayed suspend character.  */
      45    char t_rprntc;		/* Reprint-line character.  */
      46    char t_flushc;		/* Flush-output character.  */
      47    char t_werasc;		/* Word-erase character.  */
      48    char t_lnextc;		/* Literal-next character.  */
      49  };
      50  
      51  # define	_IOT_ltchars	/* Hurd ioctl type field.  */ \
      52    _IOT (_IOTS (char), 6, 0, 0, 0, 0)
      53  #endif
      54  
      55  /* Type of ARG for TIOCGETP and TIOCSETP requests (and gtty and stty).  */
      56  struct sgttyb
      57  {
      58    char sg_ispeed;		/* Input speed.  */
      59    char sg_ospeed;		/* Output speed.  */
      60    char sg_erase;		/* Erase character.  */
      61    char sg_kill;			/* Kill character.  */
      62    short int sg_flags;		/* Mode flags.  */
      63  };
      64  
      65  #define	_IOT_sgttyb	/* Hurd ioctl type field.  */ \
      66    _IOT (_IOTS (char), 4, _IOTS (short int), 1, 0, 0)
      67  
      68  #if defined TIOCGWINSZ || defined TIOCSWINSZ
      69  /* Type of ARG for TIOCGWINSZ and TIOCSWINSZ requests.  */
      70  struct winsize
      71  {
      72    unsigned short int ws_row;	/* Rows, in characters.  */
      73    unsigned short int ws_col;	/* Columns, in characters.  */
      74  
      75    /* These are not actually used.  */
      76    unsigned short int ws_xpixel;	/* Horizontal pixels.  */
      77    unsigned short int ws_ypixel;	/* Vertical pixels.  */
      78  };
      79  
      80  # define	_IOT_winsize	/* Hurd ioctl type field.  */ \
      81    _IOT (_IOTS (unsigned short int), 4, 0, 0, 0, 0)
      82  #endif
      83  
      84  #if defined TIOCGSIZE || defined TIOCSSIZE
      85  /* The BSD-style ioctl constructor macros use `sizeof', which can't be used
      86     in a preprocessor conditional.  Since the commands are always unique
      87     regardless of the size bits, we can safely define away `sizeof' for the
      88     purpose of the conditional.  */
      89  # define sizeof(type) 0
      90  # if defined TIOCGWINSZ && TIOCGSIZE == TIOCGWINSZ
      91  /* Many systems that have TIOCGWINSZ define TIOCGSIZE for source
      92     compatibility with Sun; they define `struct ttysize' to have identical
      93     layout as `struct winsize' and #define TIOCGSIZE to be TIOCGWINSZ
      94     (likewise TIOCSSIZE and TIOCSWINSZ).  */
      95  struct ttysize
      96  {
      97    unsigned short int ts_lines;
      98    unsigned short int ts_cols;
      99    unsigned short int ts_xxx;
     100    unsigned short int ts_yyy;
     101  };
     102  #  define	_IOT_ttysize	_IOT_winsize
     103  # else
     104  /* Suns use a different layout for `struct ttysize', and TIOCGSIZE and
     105     TIOCGWINSZ are separate commands that do the same thing with different
     106     structures (likewise TIOCSSIZE and TIOCSWINSZ).  */
     107  struct ttysize
     108  {
     109    int ts_lines, ts_cols;	/* Lines and columns, in characters.  */
     110  };
     111  # endif
     112  # undef sizeof			/* See above.  */
     113  #endif