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102 lines
5.2 KiB
HTML
102 lines
5.2 KiB
HTML
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****************************************************************************
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* Copyright 2018-2024,2025 Thomas E. Dickey *
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* Copyright 2003-2006,2010 Free Software Foundation, Inc. *
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* *
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* Permission is hereby granted, free of charge, to any person obtaining a *
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* copy of this software and associated documentation files (the *
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* furnished to do so, subject to the following conditions: *
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* *
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* The above copyright notice and this permission notice shall be included *
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* in all copies or substantial portions of the Software. *
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* *
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
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* *
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* Except as contained in this notice, the name(s) of the above copyright *
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* holders shall not be used in advertising or otherwise to promote the *
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* sale, use or other dealings in this Software without prior written *
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* authorization. *
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****************************************************************************
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* Author: Thomas E. Dickey 2003
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* @Id: key_defined.3x,v 1.44 2025/10/04 20:11:22 tom Exp @
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-->
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN">
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<HTML>
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<HEAD>
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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 https://invisible-island.net/scripts/readme.html#others_scripts">
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<TITLE>key_defined 3x 2025-10-04 ncurses 6.6 Library calls</TITLE>
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<link rel="author" href="mailto:bug-ncurses@gnu.org">
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</HEAD>
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<BODY>
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<H1 class="no-header">key_defined 3x 2025-10-04 ncurses 6.6 Library calls</H1>
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<PRE>
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<STRONG><A HREF="key_defined.3x.html">key_defined(3x)</A></STRONG> Library calls <STRONG><A HREF="key_defined.3x.html">key_defined(3x)</A></STRONG>
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</PRE><H2><a name="h2-NAME">NAME</a></H2><PRE>
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<STRONG>key_defined</STRONG> - obtain key code for an <EM>ncurses</EM> function key definition
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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>int</STRONG> <STRONG>key_defined(const</STRONG> <STRONG>char</STRONG> <STRONG>*</STRONG> <EM>definition</EM><STRONG>);</STRONG>
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</PRE><H2><a name="h2-DESCRIPTION">DESCRIPTION</a></H2><PRE>
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The <STRONG>key_defined</STRONG> <EM>ncurses</EM> extension permits a <EM>curses</EM> application to
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determine the function key code, if any, to which the string <EM>definition</EM>
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is bound.
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</PRE><H2><a name="h2-RETURN-VALUE">RETURN VALUE</a></H2><PRE>
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<STRONG>key_defined</STRONG> returns the first key code to which <EM>definition</EM> is bound if
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any exists. If none does, it returns <STRONG>0</STRONG>. If <EM>definition</EM> is a prefix of
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another bound definition, <STRONG>key_defined</STRONG> returns <STRONG>-1</STRONG>.
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</PRE><H2><a name="h2-EXTENSIONS">EXTENSIONS</a></H2><PRE>
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<STRONG>key_defined</STRONG> is an <EM>ncurses</EM> extension.
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</PRE><H2><a name="h2-PORTABILITY">PORTABILITY</a></H2><PRE>
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Applications employing <EM>ncurses</EM> extensions should condition their use on
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the visibility of the <STRONG>NCURSES_VERSION</STRONG> preprocessor macro.
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</PRE><H2><a name="h2-AUTHORS">AUTHORS</a></H2><PRE>
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Thomas Dickey
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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>, <STRONG><A HREF="define_key.3x.html">define_key(3x)</A></STRONG>, <STRONG><A HREF="keybound.3x.html">keybound(3x)</A></STRONG>, <STRONG><A HREF="keyok.3x.html">keyok(3x)</A></STRONG>
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ncurses 6.6 2025-10-04 <STRONG><A HREF="key_defined.3x.html">key_defined(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></li>
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<li><a href="#h2-RETURN-VALUE">RETURN VALUE</a></li>
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<li><a href="#h2-EXTENSIONS">EXTENSIONS</a></li>
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<li><a href="#h2-PORTABILITY">PORTABILITY</a></li>
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<li><a href="#h2-AUTHORS">AUTHORS</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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</HTML>
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