release/src/router/libncurses/doc/html/man/key_defined.3x.html

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  30   * Author: Thomas E. Dickey 2003
  31   * @Id: key_defined.3x,v 1.6 2010/12/04 18:40:45 tom Exp @
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  35 <TITLE>key_defined 3x</TITLE>
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  40 <H1>key_defined 3x</H1>
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  42 <PRE>
  43 <!-- Manpage converted by man2html 3.0.1 -->
  44 <STRONG><A HREF="key_defined.3x.html">key_defined(3x)</A></STRONG>                                         <STRONG><A HREF="key_defined.3x.html">key_defined(3x)</A></STRONG>
  45
  46
  47
  48
  49 </PRE>
  50 <H2>NAME</H2><PRE>
  51        <STRONG>key_defined</STRONG> - check if a keycode is defined
  52
  53
  54 </PRE>
  55 <H2>SYNOPSIS</H2><PRE>
  56        <STRONG>#include</STRONG> <STRONG>&lt;curses.h&gt;</STRONG>
  57
  58        <STRONG>int</STRONG> <STRONG>key_defined(const</STRONG> <STRONG>char</STRONG> <STRONG>*definition);</STRONG>
  59
  60
  61 </PRE>
  62 <H2>DESCRIPTION</H2><PRE>
  63        This is an extension to the curses library.  It permits an
  64        application to determine if a string is currently bound to
  65        any keycode.
  66
  67
  68 </PRE>
  69 <H2>RETURN VALUE</H2><PRE>
  70        If  the  string  is bound to a keycode, its value (greater
  71        than zero) is returned.  If no keycode is bound,  zero  is
  72        returned.   If  the  string  conflicts with longer strings
  73        which are bound to keys, -1 is returned.
  74
  75
  76 </PRE>
  77 <H2>PORTABILITY</H2><PRE>
  78        These routines are specific to  ncurses.   They  were  not
  79        supported  on  Version 7, BSD or System V implementations.
  80        It is recommended that any code depending on them be  con-
  81        ditioned using NCURSES_VERSION.
  82
  83
  84 </PRE>
  85 <H2>SEE ALSO</H2><PRE>
  86        <STRONG><A HREF="define_key.3x.html">define_key(3x)</A></STRONG>.
  87
  88
  89 </PRE>
  90 <H2>AUTHOR</H2><PRE>
  91        Thomas Dickey.
  92
  93
  94
  95                                                         <STRONG><A HREF="key_defined.3x.html">key_defined(3x)</A></STRONG>
  96 </PRE>
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