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123 lines
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* @Id: curs_inch.3x,v 1.17 2010/12/04 18:36:44 tom Exp @
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN">
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<HTML>
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<meta http-equiv="Content-Type" content="text/html; charset=us-ascii">
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<meta name="generator" content="Manpage converted by man2html - see http://invisible-island.net/scripts/readme.html#others_scripts">
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<TITLE>curs_inch 3x</TITLE>
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<link rev=made href="mailto:bug-ncurses@gnu.org">
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<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
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<BODY>
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<H1 class="no-header">curs_inch 3x</H1>
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<PRE>
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<STRONG><A HREF="curs_inch.3x.html">curs_inch(3x)</A></STRONG> <STRONG><A HREF="curs_inch.3x.html">curs_inch(3x)</A></STRONG>
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</PRE><H2><a name="h2-NAME">NAME</a></H2><PRE>
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<STRONG>inch</STRONG>, <STRONG>winch</STRONG>, <STRONG>mvinch</STRONG>, <STRONG>mvwinch</STRONG> - get a character and
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attributes from a <STRONG>curses</STRONG> window
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</PRE><H2><a name="h2-SYNOPSIS">SYNOPSIS</a></H2><PRE>
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<STRONG>#include</STRONG> <STRONG><curses.h></STRONG>
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<STRONG>chtype</STRONG> <STRONG>inch(void);</STRONG>
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<STRONG>chtype</STRONG> <STRONG>winch(WINDOW</STRONG> <STRONG>*win);</STRONG>
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<STRONG>chtype</STRONG> <STRONG>mvinch(int</STRONG> <STRONG>y,</STRONG> <STRONG>int</STRONG> <STRONG>x);</STRONG>
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<STRONG>chtype</STRONG> <STRONG>mvwinch(WINDOW</STRONG> <STRONG>*win,</STRONG> <STRONG>int</STRONG> <STRONG>y,</STRONG> <STRONG>int</STRONG> <STRONG>x);</STRONG>
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</PRE><H2><a name="h2-DESCRIPTION">DESCRIPTION</a></H2><PRE>
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These routines return the character, of type <STRONG>chtype</STRONG>, at
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the current position in the named window. If any
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attributes are set for that position, their values are
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OR'ed into the value returned. Constants defined in
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<STRONG><curses.h></STRONG> can be used with the <STRONG>&</STRONG> (logical AND) operator
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to extract the character or attributes alone.
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</PRE><H3><a name="h3-Attributes">Attributes</a></H3><PRE>
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The following bit-masks may be AND-ed with characters
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returned by <STRONG>winch</STRONG>.
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<STRONG>A_CHARTEXT</STRONG> Bit-mask to extract character
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<STRONG>A_ATTRIBUTES</STRONG> Bit-mask to extract attributes
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<STRONG>A_COLOR</STRONG> Bit-mask to extract color-pair field information
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</PRE><H2><a name="h2-RETURN-VALUE">RETURN VALUE</a></H2><PRE>
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Functions with a "mv" prefix first perform a cursor move-
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ment using <STRONG>wmove</STRONG>, and return an error if the position is
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outside the window, or if the window pointer is null.
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</PRE><H2><a name="h2-NOTES">NOTES</a></H2><PRE>
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Note that all of these routines may be macros.
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</PRE><H2><a name="h2-PORTABILITY">PORTABILITY</a></H2><PRE>
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These functions are described in the XSI Curses standard,
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Issue 4.
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</PRE><H2><a name="h2-SEE-ALSO">SEE ALSO</a></H2><PRE>
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<STRONG><A HREF="ncurses.3x.html">curses(3x)</A></STRONG>.
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Comparable functions in the wide-character (ncursesw)
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library are described in <STRONG><A HREF="curs_in_wch.3x.html">curs_in_wch(3x)</A></STRONG>.
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<STRONG><A HREF="curs_inch.3x.html">curs_inch(3x)</A></STRONG>
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</PRE>
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<div class="nav">
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<ul>
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<li><a href="#h2-NAME">NAME</a></li>
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<li><a href="#h2-SYNOPSIS">SYNOPSIS</a></li>
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<li><a href="#h2-DESCRIPTION">DESCRIPTION</a>
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<ul>
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<li><a href="#h3-Attributes">Attributes</a></li>
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</ul>
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</li>
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<li><a href="#h2-RETURN-VALUE">RETURN VALUE</a></li>
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<li><a href="#h2-NOTES">NOTES</a></li>
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<li><a href="#h2-PORTABILITY">PORTABILITY</a></li>
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<li><a href="#h2-SEE-ALSO">SEE ALSO</a></li>
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</ul>
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</div>
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</BODY>
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