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- * @Id: curs_initscr.3x,v 1.62 2024/02/24 20:03:50 tom Exp @
+ * @Id: curs_initscr.3x,v 1.71 2024/05/25 20:10:58 tom Exp @
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-<H1 class="no-header">curs_initscr 3x 2024-02-24 ncurses 6.4 Library calls</H1>
+<H1 class="no-header">curs_initscr 3x 2024-05-25 ncurses 6.5 Library calls</H1>
<PRE>
<STRONG><A HREF="curs_initscr.3x.html">curs_initscr(3x)</A></STRONG> Library calls <STRONG><A HREF="curs_initscr.3x.html">curs_initscr(3x)</A></STRONG>
X/Open defines no error conditions. In this implementation
- <STRONG>o</STRONG> <STRONG>endwin</STRONG> returns an error if
+ <STRONG>o</STRONG> <STRONG>endwin</STRONG> returns <STRONG>ERR</STRONG> if
<STRONG>o</STRONG> the terminal was not initialized, or
<STRONG>o</STRONG> <STRONG>endwin</STRONG> is called more than once without updating the screen, or
- <STRONG>o</STRONG> <STRONG><A HREF="curs_kernel.3x.html">reset_shell_mode(3x)</A></STRONG> returns an error.
+ <STRONG>o</STRONG> <STRONG><A HREF="curs_kernel.3x.html">reset_shell_mode(3x)</A></STRONG> return <STRONG>ERR</STRONG>.
- <STRONG>o</STRONG> <STRONG>newterm</STRONG> returns an error if it cannot allocate the data structures
- for the screen, or for the top-level windows within the screen,
- i.e., <STRONG>curscr</STRONG>, <STRONG>newscr</STRONG>, or <STRONG>stdscr</STRONG>.
+ <STRONG>o</STRONG> <STRONG>newterm</STRONG> returns <STRONG>ERR</STRONG> if it cannot allocate the data structures for
+ the screen, or for the top-level windows within the screen, i.e.,
+ <STRONG>curscr</STRONG>, <STRONG>newscr</STRONG>, or <STRONG>stdscr</STRONG>.
<STRONG>o</STRONG> <STRONG>set_term</STRONG> returns no error.
</PRE><H2><a name="h2-PORTABILITY">PORTABILITY</a></H2><PRE>
- These functions were described in the XSI Curses standard, Issue 4. As
- of 2015, the current document is X/Open Curses, Issue 7.
+ These functions were described in X/Open Curses, Issue 4. As of 2015,
+ the current document is X/Open Curses, Issue 7.
</PRE><H3><a name="h3-Differences">Differences</a></H3><PRE>
- X/Open specifies that portable applications must not call <STRONG>initscr</STRONG> more
- than once:
+ X/Open Curses specifies that portable applications must not call
+ <STRONG>initscr</STRONG> more than once:
<STRONG>o</STRONG> The portable way to use <STRONG>initscr</STRONG> is once only, using <STRONG><A HREF="curs_refresh.3x.html">refresh(3x)</A></STRONG> to
restore the screen after <STRONG>endwin</STRONG>.
Old versions of curses, e.g., BSD 4.4, would return a 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.
+ redundant to check the return value of <STRONG>initscr</STRONG> in X/Open Curses.
Calling <STRONG>endwin</STRONG> does not dispose of the memory allocated in <STRONG>initscr</STRONG> or
<STRONG>newterm</STRONG>. Deleting a <EM>SCREEN</EM> provides a way to do this:
-ncurses 6.
4 2024-02-24 <STRONG><A HREF="curs_initscr.3x.html">curs_initscr(3x)</A></STRONG>
+ncurses 6.
5 2024-05-25 <STRONG><A HREF="curs_initscr.3x.html">curs_initscr(3x)</A></STRONG>
</PRE>
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