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- * @Id: curs_touch.3x,v 1.42 2023/11/25 14:08:05 tom Exp @
+ * @Id: curs_touch.3x,v 1.44 2024/03/16 15:49:58 tom Exp @
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-<H1 class="no-header">curs_touch 3x 2023-11-25 ncurses 6.4 Library calls</H1>
+<H1 class="no-header">curs_touch 3x 2024-03-16 ncurses 6.4 Library calls</H1>
<PRE>
<STRONG><A HREF="curs_touch.3x.html">curs_touch(3x)</A></STRONG> Library calls <STRONG><A HREF="curs_touch.3x.html">curs_touch(3x)</A></STRONG>
other than <STRONG>ERR</STRONG> upon successful completion, unless otherwise noted in
the preceding routine descriptions.
- X/Open does not define any error conditions. In this implementation
+ X/Open Curses does not specify any error conditions. In this
+ implementation
<STRONG>is_linetouched</STRONG>
- returns an error if the window pointer is null, or if the line
+ returns an error if the window pointer is null, or if the line
number is outside the window.
The constant <STRONG>ERR</STRONG> is distinct from <STRONG>TRUE</STRONG> and <STRONG>FALSE</STRONG>, which are the
- normal return values of this function. Because the function
+ normal return values of this function. Because the function
returns a <STRONG>bool</STRONG>, returning <STRONG>ERR</STRONG> (which is neither <STRONG>TRUE</STRONG> nor <STRONG>FALSE</STRONG>)
may not be supported by the compiler.
- To provide error-checking and also match the X/Open function
+ To provide error-checking and also match the X/Open function
prototype, the <STRONG>ERR</STRONG> is provided by a macro named <STRONG>is_linetouched</STRONG>.
The actual function returns <STRONG>FALSE</STRONG> when it detects an error.
<STRONG>wtouchln</STRONG>
- returns an error if the window pointer is null, or if the line
+ returns an error if the window pointer is null, or if the line
number is outside the window.
</PRE><H2><a name="h2-PORTABILITY">PORTABILITY</a></H2><PRE>
- These functions were introduced by SVr4. The Solaris <EM>curses</EM> header
+ These functions were introduced by SVr4. The Solaris <EM>curses</EM> header
file, for instance, defines both an actual function and macro for each.
- The macros give the same result as the actual functions. SVr4 <EM>curses</EM>
- does not check the window parameter <EM>win</EM> to ensure that it is not <STRONG>NULL</STRONG>;
+ The macros give the same result as the actual functions. SVr4 <EM>curses</EM>
+ does not check the window parameter <EM>win</EM> to ensure that it is not <STRONG>NULL</STRONG>;
otherwise this implementation behaves the same as SVr4.
The XSI Curses standard, Issue 4 describes these functions, but defines
-ncurses 6.4 202
3-11-25 <STRONG><A HREF="curs_touch.3x.html">curs_touch(3x)</A></STRONG>
+ncurses 6.4 202
4-03-16 <STRONG><A HREF="curs_touch.3x.html">curs_touch(3x)</A></STRONG>
</PRE>
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