bits/ioctl-types.h

   1 /* Structure types for pre-termios terminal ioctls.  Generic Unix version.
   2    Copyright (C) 1996, 1997 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, write to the Free
  17    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  18    02111-1307 USA.  */
  19
  20 #ifndef _SYS_IOCTL_H
  21 # error "Never use <bits/ioctl-types.h> directly; include <sys/ioctl.h> instead."
  22 #endif
  23
  24 #if defined TIOCGETC || defined TIOCSETC
  25 /* Type of ARG for TIOCGETC and TIOCSETC requests.  */
  26 struct tchars
  27 {
  28   char t_intrc;                 /* Interrupt character.  */
  29   char t_quitc;                 /* Quit character.  */
  30   char t_startc;                /* Start-output character.  */
  31   char t_stopc;                 /* Stop-output character.  */
  32   char t_eofc;                  /* End-of-file character.  */
  33   char t_brkc;                  /* Input delimiter character.  */
  34 };
  35
  36 #define _IOT_tchars     /* Hurd ioctl type field.  */ \
  37   _IOT (_IOTS (char), 6, 0, 0, 0, 0)
  38 #endif
  39
  40 #if defined TIOCGLTC || defined TIOCSLTC
  41 /* Type of ARG for TIOCGLTC and TIOCSLTC requests.  */
  42 struct ltchars
  43 {
  44   char t_suspc;                 /* Suspend character.  */
  45   char t_dsuspc;                /* Delayed suspend character.  */
  46   char t_rprntc;                /* Reprint-line character.  */
  47   char t_flushc;                /* Flush-output character.  */
  48   char t_werasc;                /* Word-erase character.  */
  49   char t_lnextc;                /* Literal-next character.  */
  50 };
  51
  52 #define _IOT_ltchars    /* Hurd ioctl type field.  */ \
  53   _IOT (_IOTS (char), 6, 0, 0, 0, 0)
  54 #endif
  55
  56 /* Type of ARG for TIOCGETP and TIOCSETP requests (and gtty and stty).  */
  57 struct sgttyb
  58 {
  59   char sg_ispeed;               /* Input speed.  */
  60   char sg_ospeed;               /* Output speed.  */
  61   char sg_erase;                /* Erase character.  */
  62   char sg_kill;                 /* Kill character.  */
  63   short int sg_flags;           /* Mode flags.  */
  64 };
  65
  66 #define _IOT_sgttyb     /* Hurd ioctl type field.  */ \
  67   _IOT (_IOTS (char), 6, _IOTS (short int), 1, 0, 0)
  68
  69 #if defined TIOCGWINSZ || defined TIOCSWINSZ
  70 /* Type of ARG for TIOCGWINSZ and TIOCSWINSZ requests.  */
  71 struct winsize
  72 {
  73   unsigned short int ws_row;    /* Rows, in characters.  */
  74   unsigned short int ws_col;    /* Columns, in characters.  */
  75
  76   /* These are not actually used.  */
  77   unsigned short int ws_xpixel; /* Horizontal pixels.  */
  78   unsigned short int ws_ypixel; /* Vertical pixels.  */
  79 };
  80
  81 #define _IOT_winsize    /* Hurd ioctl type field.  */ \
  82   _IOT (_IOTS (unsigned short int), 4, 0, 0, 0, 0)
  83 #endif
  84
  85 #if defined TIOCGSIZE || defined TIOCSSIZE
  86 /* The BSD-style ioctl constructor macros use `sizeof', which can't be used
  87    in a preprocessor conditional.  Since the commands are always unique
  88    regardless of the size bits, we can safely define away `sizeof' for the
  89    purpose of the conditional.  */
  90 #  define sizeof(type) 0
  91 #  if defined TIOCGWINSZ && TIOCGSIZE == TIOCGWINSZ
  92 /* Many systems that have TIOCGWINSZ define TIOCGSIZE for source
  93    compatibility with Sun; they define `struct ttysize' to have identical
  94    layout as `struct winsize' and #define TIOCGSIZE to be TIOCGWINSZ
  95    (likewise TIOCSSIZE and TIOCSWINSZ).  */
  96 struct ttysize
  97 {
  98   unsigned short int ts_lines;
  99   unsigned short int ts_cols;
 100   unsigned short int ts_xxx;
 101   unsigned short int ts_yyy;
 102 };
 103 #define _IOT_ttysize    _IOT_winsize
 104 #  else
 105 /* Suns use a different layout for `struct ttysize', and TIOCGSIZE and
 106    TIOCGWINSZ are separate commands that do the same thing with different
 107    structures (likewise TIOCSSIZE and TIOCSWINSZ).  */
 108 struct ttysize
 109 {
 110   int ts_lines, ts_cols;        /* Lines and columns, in characters.  */
 111 };
 112 #  endif
 113 #  undef sizeof                 /* See above.  */
 114 #endif