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/* systty.h - System-dependent definitions for terminals.
Copyright (C) 1993-1994, 2001-2015 Free Software Foundation, Inc.
This file is part of GNU Emacs.
GNU Emacs is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
GNU Emacs is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU Emacs. If not, see <>. */
/* Include the proper files. */
#ifndef DOS_NT
#include <termios.h>
#include <fcntl.h>
#endif /* not DOS_NT */
#include <sys/ioctl.h>
#ifdef HPUX
#include <sys/bsdtty.h>
#include <sys/ptyio.h>
#ifdef AIX
#include <sys/pty.h>
#endif /* AIX */
#include <unistd.h>
/* Try to establish the correct character to disable terminal functions
in a system-independent manner. Note that USG (at least) define
#else /* not _POSIX_VDISABLE */
#ifdef CDEL
#else /* not CDEL */
#define CDISABLE 255
#endif /* not CDEL */
#endif /* not _POSIX_VDISABLE */
/* Manipulate a TTY's input/output processing parameters. */
/* struct emacs_tty is a structure used to hold the current tty
parameters. If the terminal has several structures describing its
state, for example a struct tchars, a struct sgttyb, a struct
tchars, a struct ltchars, and a struct pagechars, struct
emacs_tty should contain an element for each parameter struct
that Emacs may change. */
/* For each tty parameter structure that Emacs might want to save and restore,
- include an element for it in this structure, and
- extend the emacs_{get,set}_tty functions in sysdep.c to deal with the
new members. */
struct emacs_tty {
/* There is always one of the following elements, so there is no need
for dummy get and set definitions. */
#ifndef DOS_NT
struct termios main;
#else /* DOS_NT */
int main;
#endif /* DOS_NT */
/* From sysdep.c or w32.c */
extern int serial_open (Lisp_Object);
extern void serial_configure (struct Lisp_Process *, Lisp_Object);
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