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- /* Copyright (C) 1991, 1992, 1993, 1994 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 Library General Public License as
- published by the Free Software Foundation; either version 2 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
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public
- License along with the GNU C Library; see the file COPYING.LIB. If
- not, write to the, 1992 Free Software Foundation, Inc., 675 Mass Ave,
- Cambridge, MA 02139, USA. */
-
- #ifndef _SYS_IOCTL_H
-
- #define _SYS_IOCTL_H 1
- #include <features.h>
-
- __BEGIN_DECLS
-
- /* Get the list of `ioctl' requests and related constants. */
- #include <ioctls.h>
-
- /* On a Unix system, the system <sys/ioctl.h> probably defines some of the
- symbols we define in <sys/ttydefaults.h> (usually with the same values).
- The code to generate <ioctls.h> has omitted these symbols to avoid the
- conflict, but a Unix program expects <sys/ioctl.h> to define them, so we
- must include <sys/ttydefaults.h> here. */
- #include <sys/ttydefaults.h>
-
- #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). */
- 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)
- # 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
- #endif
-
- /* Perform the I/O control operation specified by REQUEST on FD.
- One argument may follow; its presence and type depend on REQUEST.
- Return value depends on REQUEST. Usually -1 indicates error. */
- extern int __ioctl __P ((int __fd, unsigned long int __request, ...));
- extern int ioctl __P ((int __fd, unsigned long int __request, ...));
-
- __END_DECLS
-
- #endif /* sys/ioctl.h */
-