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- * @Id: curs_initscr.3x,v 1.11 2002/07/20 14:51:04 tom Exp @
+ * @Id: curs_initscr.3x,v 1.17 2010/12/04 18:36:58 tom Exp @
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<PRE>
<!-- Manpage converted by man2html 3.0.1 -->
+<STRONG><A HREF="curs_initscr.3x.html">curs_initscr(3x)</A></STRONG> <STRONG><A HREF="curs_initscr.3x.html">curs_initscr(3x)</A></STRONG>
+
+
+
</PRE>
<H2>NAME</H2><PRE>
- <STRONG>initscr</STRONG>, <STRONG>newterm</STRONG>, <STRONG>endwin</STRONG>, <STRONG>isendwin</STRONG>, <STRONG>set_term</STRONG>, <STRONG>delscreen</STRONG> -
+ <STRONG>initscr</STRONG>, <STRONG>newterm</STRONG>, <STRONG>endwin</STRONG>, <STRONG>isendwin</STRONG>, <STRONG>set_term</STRONG>, <STRONG>delscreen</STRONG> -
<STRONG>curses</STRONG> screen initialization and manipulation routines
The initscr code determines the terminal type and initial-
izes all <STRONG>curses</STRONG> data structures. <STRONG>initscr</STRONG> also causes the
- first call to <STRONG>refresh</STRONG> to clear the screen. If errors
- occur, <STRONG>initscr</STRONG> writes an appropriate error message to
- standard error and exits; otherwise, a pointer is returned
- to <STRONG>stdscr</STRONG>.
+ first call to <STRONG>refresh</STRONG> to clear the screen. If errors oc-
+ cur, <STRONG>initscr</STRONG> writes an appropriate error message to stan-
+ dard error and exits; otherwise, a pointer is returned to
+ <STRONG>stdscr</STRONG>.
A program that outputs to more than one terminal should
use the <STRONG>newterm</STRONG> routine for each terminal instead of
same terminal, the first terminal referred to must be the
last one for which <STRONG>endwin</STRONG> is called.
- A program should always call <STRONG>endwin</STRONG> before exiting or
- escaping from <STRONG>curses</STRONG> mode temporarily. This routine
- restores tty modes, moves the cursor to the lower left-
- hand corner of the screen and resets the terminal into the
+ A program should always call <STRONG>endwin</STRONG> before exiting or es-
+ caping from <STRONG>curses</STRONG> mode temporarily. This routine re-
+ stores tty modes, moves the cursor to the lower left-hand
+ corner of the screen and resets the terminal into the
proper non-visual mode. Calling <STRONG>refresh</STRONG> or <STRONG>doupdate</STRONG> after
a temporary escape causes the program to resume visual
mode.
Routines that return pointers always return <STRONG>NULL</STRONG> on error.
+ X/Open defines no error conditions. In this implementa-
+ tion <STRONG>endwin</STRONG> returns an error if the terminal was not ini-
+ tialized.
+
</PRE>
<H2>NOTES</H2><PRE>
</PRE>
<H2>PORTABILITY</H2><PRE>
- These functions are described in the XSI Curses standard,
+ These functions are described in the XSI Curses standard,
Issue 4. It specifies that portable applications must not
call <STRONG>initscr</STRONG> more than once.
Old versions of curses, e.g., BSD 4.4, may have returned a
- null pointer from <STRONG>initscr</STRONG> when an error is detected,
- rather than exiting. It is safe but redundant to check
+ null pointer from <STRONG>initscr</STRONG> when an error is detected,
+ rather than exiting. It is safe but redundant to check
the return value of <STRONG>initscr</STRONG> in XSI Curses.
</PRE>
<H2>SEE ALSO</H2><PRE>
<STRONG><A HREF="ncurses.3x.html">curses(3x)</A></STRONG>, <STRONG><A HREF="curs_kernel.3x.html">curs_kernel(3x)</A></STRONG>, <STRONG><A HREF="curs_refresh.3x.html">curs_refresh(3x)</A></STRONG>,
- <STRONG><A HREF="curs_slk.3x.html">curs_slk(3x)</A></STRONG>, <STRONG><A HREF="curs_util.3x.html">curs_util(3x)</A></STRONG>
-
-
-
-
-
-
-
-
-
-
-
-
-
-
+ <STRONG><A HREF="curs_slk.3x.html">curs_slk(3x)</A></STRONG>, <STRONG><A HREF="curs_util.3x.html">curs_util(3x)</A></STRONG>, <STRONG><A HREF="curs_variables.3x.html">curs_variables(3x)</A></STRONG>.
+ <STRONG><A HREF="curs_initscr.3x.html">curs_initscr(3x)</A></STRONG>
</PRE>
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