.\" Copyright (c) 1980, 1993
.\"	The Regents of the University of California.  All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\"    notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\"    notice, this list of conditions and the following disclaimer in the
.\"    documentation and/or other materials provided with the distribution.
.\" 3. Neither the name of the University nor the names of its contributors
.\"    may be used to endorse or promote products derived from this software
.\"    without specific prior written permission.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
.\"	@(#)intro.2	8.1 (Berkeley) 6/4/93
.\"
.sh 1 Variables
.pp
Many variables which are used to describe the terminal environment
are available to the programmer. They are:
.(b
.TS
expand;
lw(6m) lw(8n) lw(50n).
type	name	description
_
WINDOW *	curscr	T{
.fi
current version of the screen (terminal screen).
T}
WINDOW *	stdscr	T{
standard screen.  Most updates are usually done here.
T}
char *	Def\*_term	T{
default terminal type if type cannot be determined
T}
bool	My\*_term	T{
use the terminal specification in \fIDef\*_term\fR as terminal,
irrelevant of real terminal type
T}
char *	ttytype	T{
full name of the current terminal.
T}
int	LINES	T{
number of lines on the terminal
T}
int	COLS	T{
number of columns on the terminal
T}
int	ERR	T{
error flag returned by routines on a fail.
T}
int	OK	T{
flag returned by routines upon success.
T}
.TE
.fi
.ev
.)b
.lp