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131 lines
4.4 KiB
C
131 lines
4.4 KiB
C
/* Copyright (C) 1991, 1992, 1993, 1994 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If
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not, write to the, 1992 Free Software Foundation, Inc., 675 Mass Ave,
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Cambridge, MA 02139, USA. */
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#ifndef _SYS_IOCTL_H
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#define _SYS_IOCTL_H 1
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#include <features.h>
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__BEGIN_DECLS
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/* Get the list of `ioctl' requests and related constants. */
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#include <ioctls.h>
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/* On a Unix system, the system <sys/ioctl.h> probably defines some of the
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symbols we define in <sys/ttydefaults.h> (usually with the same values).
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The code to generate <ioctls.h> has omitted these symbols to avoid the
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conflict, but a Unix program expects <sys/ioctl.h> to define them, so we
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must include <sys/ttydefaults.h> here. */
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#include <sys/ttydefaults.h>
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#if defined(TIOCGETC) || defined(TIOCSETC)
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/* Type of ARG for TIOCGETC and TIOCSETC requests. */
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struct tchars
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{
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char t_intrc; /* Interrupt character. */
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char t_quitc; /* Quit character. */
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char t_startc; /* Start-output character. */
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char t_stopc; /* Stop-output character. */
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char t_eofc; /* End-of-file character. */
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char t_brkc; /* Input delimiter character. */
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};
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#define _IOT_tchars /* Hurd ioctl type field. */ \
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_IOT (_IOTS (char), 6, 0, 0, 0, 0)
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#endif
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#if defined(TIOCGLTC) || defined(TIOCSLTC)
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/* Type of ARG for TIOCGLTC and TIOCSLTC requests. */
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struct ltchars
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{
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char t_suspc; /* Suspend character. */
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char t_dsuspc; /* Delayed suspend character. */
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char t_rprntc; /* Reprint-line character. */
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char t_flushc; /* Flush-output character. */
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char t_werasc; /* Word-erase character. */
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char t_lnextc; /* Literal-next character. */
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};
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#define _IOT_ltchars /* Hurd ioctl type field. */ \
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_IOT (_IOTS (char), 6, 0, 0, 0, 0)
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#endif
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/* Type of ARG for TIOCGETP and TIOCSETP requests (and gtty and stty). */
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struct sgttyb
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{
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char sg_ispeed; /* Input speed. */
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char sg_ospeed; /* Output speed. */
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char sg_erase; /* Erase character. */
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char sg_kill; /* Kill character. */
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short int sg_flags; /* Mode flags. */
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};
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#define _IOT_sgttyb /* Hurd ioctl type field. */ \
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_IOT (_IOTS (char), 6, _IOTS (short int), 1, 0, 0)
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#if defined(TIOCGWINSZ) || defined(TIOCSWINSZ)
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/* Type of ARG for TIOCGWINSZ and TIOCSWINSZ requests. */
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struct winsize
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{
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unsigned short int ws_row; /* Rows, in characters. */
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unsigned short int ws_col; /* Columns, in characters. */
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/* These are not actually used. */
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unsigned short int ws_xpixel; /* Horizontal pixels. */
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unsigned short int ws_ypixel; /* Vertical pixels. */
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};
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#define _IOT_winsize /* Hurd ioctl type field. */ \
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_IOT (_IOTS (unsigned short int), 4, 0, 0, 0, 0)
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#endif
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#if defined (TIOCGSIZE) || defined (TIOCSSIZE)
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# if defined (TIOCGWINSZ) && TIOCGSIZE == TIOCGWINSZ
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/* Many systems that have TIOCGWINSZ define TIOCGSIZE for source
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compatibility with Sun; they define `struct ttysize' to have identical
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layout as `struct winsize' and #define TIOCGSIZE to be TIOCGWINSZ
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(likewise TIOCSSIZE and TIOCSWINSZ). */
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struct ttysize
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{
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unsigned short int ts_lines;
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unsigned short int ts_cols;
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unsigned short int ts_xxx;
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unsigned short int ts_yyy;
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};
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#define _IOT_ttysize _IOT_winsize
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# else
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/* Suns use a different layout for `struct ttysize', and TIOCGSIZE and
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TIOCGWINSZ are separate commands that do the same thing with different
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structures (likewise TIOCSSIZE and TIOCSWINSZ). */
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struct ttysize
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{
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int ts_lines, ts_cols; /* Lines and columns, in characters. */
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};
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# endif
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#endif
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/* Perform the I/O control operation specified by REQUEST on FD.
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One argument may follow; its presence and type depend on REQUEST.
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Return value depends on REQUEST. Usually -1 indicates error. */
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extern int __ioctl __P ((int __fd, unsigned long int __request, ...));
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extern int ioctl __P ((int __fd, unsigned long int __request, ...));
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__END_DECLS
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#endif /* sys/ioctl.h */
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