Base version of ncurses-5.7 library
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+<HEAD>
+<TITLE>curs_bkgd 3x</TITLE>
+<link rev=made href="mailto:bug-ncurses@gnu.org">
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+<H1>curs_bkgd 3x</H1>
+<HR>
+<PRE>
+<!-- Manpage converted by man2html 3.0.1 -->
+<STRONG><A HREF="curs_bkgd.3x.html">curs_bkgd(3x)</A></STRONG> <STRONG><A HREF="curs_bkgd.3x.html">curs_bkgd(3x)</A></STRONG>
+
+
+
+
+</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><curses.h></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>
+
+
+
+ <STRONG><A HREF="curs_bkgd.3x.html">curs_bkgd(3x)</A></STRONG>
+</PRE>
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