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key_defined(3x)

key_defined(3x)                                                key_defined(3x)



NAME
       key_defined - check if a keycode is defined

SYNOPSIS
       #include <ncursesw/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.


ATTRIBUTES
       See attributes(7) for descriptions of the following attributes:


       box; cbp-1 | cbp-1 l | l .  ATTRIBUTE TYPE ATTRIBUTE VALUE = Availabil‐
       ity   library/ncurses = Stability Uncommitted


SEE ALSO
       define_key(3X).

AUTHOR
       Thomas Dickey.



NOTES
       Source  code  for open source software components in Oracle Solaris can
       be found at https://www.oracle.com/downloads/opensource/solaris-source-
       code-downloads.html.

       This     software     was    built    from    source    available    at
       https://github.com/oracle/solaris-userland.   The  original   community
       source    was    downloaded    from    https://invisible-mirror.net/ar‐
       chives/ncurses/ncurses-6.3.tar.gz.

       Further information about this software can be found on the open source
       community website at https://invisible-island.net/ncurses/.



                                                               key_defined(3x)
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