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Annotation of 43BSDReno/share/doc/ps1/18.curses/intro.2, revision 1.1

1.1     ! root        1: .\" Copyright (c) 1980 The Regents of the University of California.
        !             2: .\" All rights reserved.
        !             3: .\"
        !             4: .\" Redistribution and use in source and binary forms are permitted
        !             5: .\" provided that the above copyright notice and this paragraph are
        !             6: .\" duplicated in all such forms and that any documentation,
        !             7: .\" advertising materials, and other materials related to such
        !             8: .\" distribution and use acknowledge that the software was developed
        !             9: .\" by the University of California, Berkeley.  The name of the
        !            10: .\" University may not be used to endorse or promote products derived
        !            11: .\" from this software without specific prior written permission.
        !            12: .\" THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
        !            13: .\" IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
        !            14: .\" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            15: .\"
        !            16: .\"    @(#)intro.2     6.2 (Berkeley) 3/17/89
        !            17: .\"
        !            18: .sh 1 Variables
        !            19: .pp
        !            20: Many variables which are used to describe the terminal environment
        !            21: are available to the programmer. They are:
        !            22: .TS
        !            23: expand;
        !            24: lw(6m) lw(8n) lw(50n).
        !            25: type   name    description
        !            26: _
        !            27: WINDOW *       curscr  T{
        !            28: .fi
        !            29: current version of the screen (terminal screen).
        !            30: T}
        !            31: WINDOW *       stdscr  T{
        !            32: standard screen.  Most updates are usually done here.
        !            33: T}
        !            34: char * Def\*_term      T{
        !            35: default terminal type if type cannot be determined
        !            36: T}
        !            37: bool   My\*_term       T{
        !            38: use the terminal specification in \fIDef\*_term\fR as terminal,
        !            39: irrelevant of real terminal type
        !            40: T}
        !            41: char * ttytype T{
        !            42: full name of the current terminal.
        !            43: T}
        !            44: int    LINES   T{
        !            45: number of lines on the terminal
        !            46: T}
        !            47: int    COLS    T{
        !            48: number of columns on the terminal
        !            49: T}
        !            50: int    ERR     T{
        !            51: error flag returned by routines on a fail.
        !            52: T}
        !            53: int    OK      T{
        !            54: error flag returned by routines when things go right.
        !            55: T}
        !            56: .TE
        !            57: .pp
        !            58: There are also several
        !            59: .q #define
        !            60: constants and types
        !            61: which are of general usefulness:
        !            62: .sp
        !            63: .ev 1
        !            64: .ta 11n
        !            65: .(b L
        !            66: .nf
        !            67: reg    storage class ``register'' (\fIe.g.\fP, \fIreg int i;\fR\|)
        !            68: bool   boolean type, actually a ``char'' (\fIe.g.\fP, \fIbool doneit;\fR\|)
        !            69: TRUE   boolean ``true'' flag (1).
        !            70: FALSE  boolean ``false'' flag (0).
        !            71: .fi
        !            72: .ev
        !            73: .)b
        !            74: .lp

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