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2024-02-19 00:24:47 -05:00

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C

/* Copyright (C) 1991, 1992 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 Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA. */
#ifndef _SYS_IOCTL_H
#define _SYS_IOCTL_H 1
#include <features.h>
/* Get the list of `ioctl' requests and related constants. */
#include <ioctls.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. */
};
#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. */
};
#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. */
};
#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. */
unsigned short int ws_xpixel; /* Horizontal pixels. */
unsigned short int ws_ypixel; /* Vertical pixels. */
};
#endif
/* Perform the I/O control operation specified by REQUEST on FD.
The actual type and use of ARG and the return value depend on REQUEST. */
extern int EXFUN(__ioctl, (int __fd, int __request, PTR __arg));
extern int EXFUN(ioctl, (int __fd, int __request, PTR __arg));
#ifdef __OPTIMIZE__
#define ioctl(fd, request, arg) __ioctl((fd), (request), (arg))
#endif
#endif /* sys/ioctl.h */