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- * @Id: curs_clear.3x,v 1.11 2007/12/29 15:58:38 tom Exp @
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-<H1>curs_clear 3x</H1>
-<HR>
+<H1 class="no-header">curs_clear 3x</H1>
<PRE>
-<!-- Manpage converted by man2html 3.0.1 -->
<STRONG><A HREF="curs_clear.3x.html">curs_clear(3x)</A></STRONG> <STRONG><A HREF="curs_clear.3x.html">curs_clear(3x)</A></STRONG>
-</PRE>
-<H2>NAME</H2><PRE>
+</PRE><H2><a name="h2-NAME">NAME</a></H2><PRE>
<STRONG>erase</STRONG>, <STRONG>werase</STRONG>, <STRONG>clear</STRONG>, <STRONG>wclear</STRONG>, <STRONG>clrtobot</STRONG>, <STRONG>wclrtobot</STRONG>,
<STRONG>clrtoeol</STRONG>, <STRONG>wclrtoeol</STRONG> - clear all or part of a <STRONG>curses</STRONG> window
-</PRE>
-<H2>SYNOPSIS</H2><PRE>
+</PRE><H2><a name="h2-SYNOPSIS">SYNOPSIS</a></H2><PRE>
<STRONG>#</STRONG> <STRONG>include</STRONG> <STRONG><curses.h></STRONG>
<STRONG>int</STRONG> <STRONG>erase(void);</STRONG>
<STRONG>int</STRONG> <STRONG>wclrtoeol(WINDOW</STRONG> <STRONG>*win);</STRONG>
-</PRE>
-<H2>DESCRIPTION</H2><PRE>
- The <STRONG>erase</STRONG> and <STRONG>werase</STRONG> routines copy blanks to every posi-
+</PRE><H2><a name="h2-DESCRIPTION">DESCRIPTION</a></H2><PRE>
+ The <STRONG>erase</STRONG> and <STRONG>werase</STRONG> routines copy blanks to every posi-
tion in the window, clearing the screen.
- The <STRONG>clear</STRONG> and <STRONG>wclear</STRONG> routines are like <STRONG>erase</STRONG> and <STRONG>werase</STRONG>,
- but they also call <STRONG>clearok</STRONG>, so that the screen is cleared
- completely on the next call to <STRONG>wrefresh</STRONG> for that window
+ The <STRONG>clear</STRONG> and <STRONG>wclear</STRONG> routines are like <STRONG>erase</STRONG> and <STRONG>werase</STRONG>,
+ but they also call <STRONG>clearok</STRONG>, so that the screen is cleared
+ completely on the next call to <STRONG>wrefresh</STRONG> for that window
and repainted from scratch.
- The <STRONG>clrtobot</STRONG> and <STRONG>wclrtobot</STRONG> routines erase from the cursor
+ The <STRONG>clrtobot</STRONG> and <STRONG>wclrtobot</STRONG> routines erase from the cursor
to the end of screen. That is, they erase all lines below
- the cursor in the window. Also, the current line to the
+ the cursor in the window. Also, the current line to the
right of the cursor, inclusive, is erased.
The <STRONG>clrtoeol</STRONG> and <STRONG>wclrtoeol</STRONG> routines erase the current line
- to the right of the cursor, inclusive, to the end of the
+ to the right of the cursor, inclusive, to the end of the
current line.
Blanks created by erasure have the current background ren-
dition (as set by <STRONG>wbkgdset</STRONG>) merged into them.
-</PRE>
-<H2>RETURN VALUE</H2><PRE>
- All routines return the integer <STRONG>OK</STRONG> on success and <STRONG>ERR</STRONG> on
- failure. The SVr4.0 manual says "or a non-negative inte-
+</PRE><H2><a name="h2-RETURN-VALUE">RETURN VALUE</a></H2><PRE>
+ All routines return the integer <STRONG>OK</STRONG> on success and <STRONG>ERR</STRONG> on
+ failure. The SVr4.0 manual says "or a non-negative inte-
ger if <STRONG>immedok</STRONG> is set", but this appears to be an error.
- X/Open defines no error conditions. In this implementa-
+ X/Open defines no error conditions. In this implementa-
tion, functions using a window pointer parameter return an
error if it is null.
-</PRE>
-<H2>NOTES</H2><PRE>
+</PRE><H2><a name="h2-NOTES">NOTES</a></H2><PRE>
Note that <STRONG>erase</STRONG>, <STRONG>werase</STRONG>, <STRONG>clear</STRONG>, <STRONG>wclear</STRONG>, <STRONG>clrtobot</STRONG>, and <STRONG>clr-</STRONG>
<STRONG>toeol</STRONG> may be macros.
-</PRE>
-<H2>PORTABILITY</H2><PRE>
- These functions are described in the XSI Curses standard,
- Issue 4. The standard specifies that they return <STRONG>ERR</STRONG> on
+</PRE><H2><a name="h2-PORTABILITY">PORTABILITY</a></H2><PRE>
+ These functions are described in the XSI Curses standard,
+ Issue 4. The standard specifies that they return <STRONG>ERR</STRONG> on
failure, but specifies no error conditions.
- Some historic curses implementations had, as an undocu-
- mented feature, the ability to do the equivalent of
- <STRONG>clearok(...,</STRONG> <STRONG>1)</STRONG> by saying <STRONG>touchwin(stdscr)</STRONG> or <STRONG>clear(std-</STRONG>
+ Some historic curses implementations had, as an undocu-
+ mented feature, the ability to do the equivalent of
+ <STRONG>clearok(...,</STRONG> <STRONG>1)</STRONG> by saying <STRONG>touchwin(stdscr)</STRONG> or <STRONG>clear(std-</STRONG>
<STRONG>scr)</STRONG>. This will not work under ncurses.
- This implementation, and others such as Solaris, sets the
- current position to 0,0 after erasing via <STRONG>werase()</STRONG> and
- <STRONG>wclear()</STRONG>. That fact is not documented in other implemen-
- tations, and may not be true of implementations which were
+ This implementation, and others such as Solaris, sets the
+ current position to 0,0 after erasing via <STRONG>werase</STRONG> and
+ <STRONG>wclear</STRONG>. That fact is not documented in other implementa-
+ tions, and may not be true of implementations which were
not derived from SVr4 source.
- Not obvious from the description, most implementations
- clear the screen after <STRONG>wclear</STRONG> even for a subwindow or de-
+ Not obvious from the description, most implementations
+ clear the screen after <STRONG>wclear</STRONG> even for a subwindow or de-
rived window. If you do not want to clear the screen dur-
ing the next <STRONG>wrefresh</STRONG>, use <STRONG>werase</STRONG> instead.
-</PRE>
-<H2>SEE ALSO</H2><PRE>
- <STRONG><A HREF="ncurses.3x.html">curses(3x)</A></STRONG>, <STRONG><A HREF="curs_outopts.3x.html">curs_outopts(3x)</A></STRONG>, <STRONG><A HREF="curs_refresh.3x.html">curs_refresh(3x)</A></STRONG>
+</PRE><H2><a name="h2-SEE-ALSO">SEE ALSO</a></H2><PRE>
+ <STRONG><A HREF="ncurses.3x.html">curses(3x)</A></STRONG>, <STRONG><A HREF="curs_outopts.3x.html">curs_outopts(3x)</A></STRONG>, <STRONG><A HREF="curs_refresh.3x.html">curs_refresh(3x)</A></STRONG>, <STRONG>curs_vari-</STRONG>
+ <STRONG><A HREF="curs_variables.3x.html">ables(3x)</A></STRONG>
<STRONG><A HREF="curs_clear.3x.html">curs_clear(3x)</A></STRONG>
</PRE>
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-<ADDRESS>
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+<ul>
+<li><a href="#h2-NAME">NAME</a></li>
+<li><a href="#h2-SYNOPSIS">SYNOPSIS</a></li>
+<li><a href="#h2-DESCRIPTION">DESCRIPTION</a></li>
+<li><a href="#h2-RETURN-VALUE">RETURN VALUE</a></li>
+<li><a href="#h2-NOTES">NOTES</a></li>
+<li><a href="#h2-PORTABILITY">PORTABILITY</a></li>
+<li><a href="#h2-SEE-ALSO">SEE ALSO</a></li>
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