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- .\" Copyright 1980 Kenneth C. R. C. Arnold and The Regents of the
- .\" University of California. Permission is granted to freely
- .\" distribute curses and its documentation provided that this
- .\" notice is left intact.
- .\"
- .\" @(#)intro.2 6.1 (Berkeley) 4/23/86
- .\"
- .sh 1 Variables
- .pp
- Many variables which are used to describe the terminal environment
- are available to the programmer. They are:
- .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{
- error flag returned by routines when things go right.
- T}
- .TE
- .pp
- There are also several
- .q #define
- constants and types
- which are of general usefulness:
- .sp
- .ev 1
- .ta 11n
- .(b L
- .nf
- reg storage class ``register'' (\fIe.g.\fP, \fIreg int i;\fR\|)
- bool boolean type, actually a ``char'' (\fIe.g.\fP, \fIbool doneit;\fR\|)
- TRUE boolean ``true'' flag (1).
- FALSE boolean ``false'' flag (0).
- .fi
- .ev
- .)b
- .lp
-