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-<H1 class="no-header">curs_variables 3x 2021-12-25 ncurses 6.4 Library calls</H1>
+<H1 class="no-header">curs_variables 3x 2023-09-16 ncurses 6.4 Library calls</H1>
<PRE>
<STRONG><A HREF="curs_variables.3x.html">curs_variables(3x)</A></STRONG> Library calls <STRONG><A HREF="curs_variables.3x.html">curs_variables(3x)</A></STRONG>
</PRE><H2><a name="h2-NAME">NAME</a></H2><PRE>
- <STRONG>COLORS</STRONG>, <STRONG>COLOR_PAIRS</STRONG>, <STRONG>COLS</STRONG>, <STRONG>ESCDELAY</STRONG>, <STRONG>LINES</STRONG>, <STRONG>TABSIZE</STRONG>, <STRONG>curscr</STRONG>, <STRONG>newscr</STRONG>,
- <STRONG>stdscr</STRONG> - <STRONG>curses</STRONG> global variables
+ <STRONG>COLORS</STRONG>, <STRONG>COLOR_PAIRS</STRONG>, <STRONG>COLS</STRONG>, <STRONG>ESCDELAY</STRONG>, <STRONG>LINES</STRONG>, <STRONG>TABSIZE</STRONG>, <STRONG>curscr</STRONG>, <STRONG>newscr</STRONG>,
+ <STRONG>stdscr</STRONG> - <EM>curses</EM> global variables
</PRE><H2><a name="h2-SYNOPSIS">SYNOPSIS</a></H2><PRE>
</PRE><H3><a name="h3-ESCDELAY">ESCDELAY</a></H3><PRE>
This variable holds the number of milliseconds to wait after reading an
escape character, to distinguish between an individual escape character
- entered on the keyboard from escape sequences sent by cursor- and func-
- tion-keys (see <STRONG><A HREF="ncurses.3x.html">curses(3x)</A></STRONG>).
+ entered on the keyboard from escape sequences sent by cursor- and
+
function-keys (see <STRONG><A HREF="ncurses.3x.html">curses(3x)</A></STRONG>).
</PRE><H3><a name="h3-LINES">LINES</a></H3><PRE>
</PRE><H3><a name="h3-TABSIZE">TABSIZE</a></H3><PRE>
This variable holds the number of columns used by the <EM>curses</EM> library
- when converting a tab character to spaces as it adds the tab to a win-
- dow (see <STRONG><A HREF="curs_addch.3x.html">curs_addch(3x)</A></STRONG>.
+ when converting a tab character to spaces as it adds the tab to a
+
window (see <STRONG><A HREF="curs_addch.3x.html">curs_addch(3x)</A></STRONG>.
</PRE><H3><a name="h3-The-Current-Screen">The Current Screen</a></H3><PRE>
</PRE><H3><a name="h3-The-New-Screen">The New Screen</a></H3><PRE>
- This implementation of curses uses a special window <STRONG>newscr</STRONG> to hold up-
- dates to the terminal screen before applying them to <STRONG>curscr</STRONG>.
+ This implementation of curses uses a special window <STRONG>newscr</STRONG> to hold
+ updates to the terminal screen before applying them to <STRONG>curscr</STRONG>.
This is referred to as the "virtual screen" in the <STRONG><A HREF="curs_kernel.3x.html">curs_kernel(3x)</A></STRONG>,
<STRONG><A HREF="curs_refresh.3x.html">curs_refresh(3x)</A></STRONG> and <STRONG><A HREF="curs_outopts.3x.html">curs_outopts(3x)</A></STRONG> manual pages.
<STRONG>TABSIZE</STRONG> is a feature of SVr4 curses which is not documented by X/Open
curses.
- <STRONG>o</STRONG> In SVr4 curses, <STRONG>TABSIZE</STRONG> is initially set from the terminal descrip-
- tion's <STRONG>init_tabs</STRONG> capability. After that, it can be altered by the
- applications using SVr4 curses.
+ <STRONG>o</STRONG> In SVr4 curses, <STRONG>TABSIZE</STRONG> is initially set from the terminal
+ description's <STRONG>init_tabs</STRONG> capability. After that, it can be altered
+ by the applications using SVr4 curses.
- SVr4 curses uses the current value of <STRONG>TABSIZE</STRONG> to compute the posi-
- tion of tabstops for updating both the virtual screen with <STRONG>add-</STRONG>
- <STRONG><A HREF="
addch.3x.html">ch(3x)</A></STRONG> as well as the physical screen with <STRONG><A HREF="curs_terminfo.3x.html">mvcur(3x)</A></STRONG>.
+ SVr4 curses uses the current value of <STRONG>TABSIZE</STRONG> to compute the
+ position of tabstops for updating both the virtual screen with
+ <STRONG><A HREF="
curs_addch.3x.html">addch(3x)</A></STRONG> as well as the physical screen with <STRONG><A HREF="curs_terminfo.3x.html">mvcur(3x)</A></STRONG>.
- <STRONG>o</STRONG> This implementation uses the current value of <STRONG>TABSIZE</STRONG> only for up-
- dating the virtual screen. It uses the terminal description's <STRONG>it</STRONG>
+ <STRONG>o</STRONG> This implementation uses the current value of <STRONG>TABSIZE</STRONG> only for
+ updating the virtual screen. It uses the terminal description's <STRONG>it</STRONG>
(<STRONG>init_tabs</STRONG>) capability for computing hardware tabs (i.e., tab stops
on the physical screen).
<STRONG>o</STRONG> Other implementations differ. For instance, NetBSD curses allows
- <STRONG>TABSIZE</STRONG> to be set through an environment variable. This implemen-
- tation does not.
+ <STRONG>TABSIZE</STRONG> to be set through an environment variable. This
+ implementation does not.
NetBSD curses does not support hardware tabs; it uses the <STRONG>init_tabs</STRONG>
capability and the <STRONG>TABSIZE</STRONG> variable only for updating the virtual
<STRONG>o</STRONG> The default value for AIX's <STRONG>ESCDELAY</STRONG> is 0.1 seconds.
- <STRONG>o</STRONG> AIX also enforces a limit of 10,000 seconds for <STRONG>ESCDELAY</STRONG>; this im-
- plementation currently has no upper limit.
+ <STRONG>o</STRONG> AIX also enforces a limit of 10,000 seconds for <STRONG>ESCDELAY</STRONG>; this
+ implementation currently has no upper limit.
This implementation has long used <STRONG>ESCDELAY</STRONG> with units of milliseconds,
making it impossible to be completely compatible with AIX. Likewise,
-ncurses 6.4 202
1-12-25 <STRONG><A HREF="curs_variables.3x.html">curs_variables(3x)</A></STRONG>
+ncurses 6.4 202
3-09-16 <STRONG><A HREF="curs_variables.3x.html">curs_variables(3x)</A></STRONG>
</PRE>
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