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NAME
     keyok - enable or disable a keycode

SYNOPSIS
     #include <curses.h>

     int keyok(int keycode, bool enable);

DESCRIPTION
     This is an extension to the curses library.  It  permits  an
     application  to  disable  specific keycodes, rather than use
     the keypad function to disable all keycodes.  Keys that have
     been disabled can be reenabled.

RETURN VALUE
     The keycode must be greater than zero, else ERR is returned.
     If  it  does  not  correspond  to a defined key, then ERR is
     returned.  If the enable parameter is  true,  then  the  key
     must  have  been  disabled,  and vice versa.  Otherwise, the
     function returns OK.

PORTABILITY
     These routines are specific to ncurses.  They were not  sup-
     ported 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.

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