key_defined man page on FreeBSD

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key_defined(3X)						       key_defined(3X)

NAME
       key_defined - check if a keycode is defined

SYNOPSIS
       #include <curses.h>

       int key_defined(const char *definition);

DESCRIPTION
       This  is an extension to the curses library.  It permits an application
       to determine if a string is currently bound to any keycode.

RETURN VALUE
       If the string is bound to a keycode, its value (greater than  zero)  is
       returned.   If  no  keycode  is bound, zero is returned.	 If the string
       conflicts with longer strings which are bound to keys, -1 is returned.

PORTABILITY
       These routines are specific to ncurses.	They  were  not	 supported  on
       Version 7, BSD or System V implementations.  It is recommended that any
       code depending on them be conditioned using NCURSES_VERSION.

SEE ALSO
       define_key(3X).

AUTHOR
       Thomas Dickey.

							       key_defined(3X)
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