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-<H1>curs_bkgd 3x</H1>
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-
-</PRE>
-<H2>NAME</H2><PRE>
- <STRONG>bkgdset</STRONG>, <STRONG>wbkgdset</STRONG>, <STRONG>bkgd</STRONG>, <STRONG>wbkgd</STRONG>, <STRONG>getbkgd</STRONG> - <STRONG>curses</STRONG> window
- background manipulation routines
-
-
-
-</PRE>
-<H2>SYNOPSIS</H2><PRE>
- <STRONG>#include</STRONG> <STRONG>&lt;curses.h&gt;</STRONG>
-
- <STRONG>void</STRONG> <STRONG>bkgdset(chtype</STRONG> <STRONG>ch);</STRONG>
- <STRONG>void</STRONG> <STRONG>wbkgdset(WINDOW</STRONG> <STRONG>*win,</STRONG> <STRONG>chtype</STRONG> <STRONG>ch);</STRONG>
- <STRONG>int</STRONG> <STRONG>bkgd(chtype</STRONG> <STRONG>ch);</STRONG>
- <STRONG>int</STRONG> <STRONG>wbkgd(WINDOW</STRONG> <STRONG>*win,</STRONG> <STRONG>chtype</STRONG> <STRONG>ch);</STRONG>
- <STRONG>chtype</STRONG> <STRONG>getbkgd(WINDOW</STRONG> <STRONG>*win);</STRONG>
-
-
-</PRE>
-<H2>DESCRIPTION</H2><PRE>
- The <STRONG>bkgdset</STRONG> and <STRONG>wbkgdset</STRONG> routines manipulate the back-
- ground of the named window. The window background is a
- <STRONG>chtype</STRONG> consisting of any combination of attributes (i.e.,
- rendition) and a character. The attribute part of the
- background is combined (OR'ed) with all non-blank charac-
- ters that are written into the window with <STRONG>waddch</STRONG>. Both
- the character and attribute parts of the background are
- combined with the blank characters. The background
- becomes a property of the character and moves with the
- character through any scrolling and insert/delete
- line/character operations.
-
- To the extent possible on a particular terminal, the
- attribute part of the background is displayed as the
- graphic rendition of the character put on the screen.
-
- The <STRONG>bkgd</STRONG> and <STRONG>wbkgd</STRONG> functions set the background property
- of the current or specified window and then apply this
- setting to every character position in that window:
-
- The rendition of every character on the screen is
- changed to the new background rendition.
-
- Wherever the former background character appears,
- it is changed to the new background character.
-
- The <STRONG>getbkgd</STRONG> function returns the given window's current
- background character/attribute pair.
-
-
-</PRE>
-<H2>RETURN VALUE</H2><PRE>
- The routines <STRONG>bkgd</STRONG> and <STRONG>wbkgd</STRONG> return the integer <STRONG>OK</STRONG>. The
- SVr4.0 manual says "or a non-negative integer if <STRONG>immedok</STRONG>
- is set", but this appears to be an error.
-
-
-</PRE>
-<H2>NOTES</H2><PRE>
- Note that <STRONG>bkgdset</STRONG> and <STRONG>bkgd</STRONG> may be macros.
-
-
-</PRE>
-<H2>PORTABILITY</H2><PRE>
- These functions are described in the XSI Curses standard,
- Issue 4. It specifies that <STRONG>bkgd</STRONG> and <STRONG>wbkgd</STRONG> return <STRONG>ERR</STRONG> on
- failure. but gives no failure conditions.
-
-
-</PRE>
-<H2>SEE ALSO</H2><PRE>
- <STRONG><A HREF="ncurses.3x.html">curses(3x)</A></STRONG>, <STRONG><A HREF="curs_addch.3x.html">curs_addch(3x)</A></STRONG>, <STRONG><A HREF="curs_attr.3x.html">curs_attr(3x)</A></STRONG>, <STRONG>curs_out-</STRONG>
- <STRONG><A HREF="curs_outopts.3x.html">opts(3x)</A></STRONG>
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