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NAME
     define_key - define a keycode

SYNOPSIS
     #include <curses.h>

     int define_key(char *definition, int keycode);

DESCRIPTION
     This is an extension to the curses library.  It  permits  an
     application to define keycodes with their corresponding con-
     trol strings, so that the  ncurses  library  will  interpret
     them  just  as it would the predefined codes in the terminfo
     database.

     If the given string is null, any existing definition for the
     keycode  is  removed.   Similarly,  if  the given keycode is
     negative or zero, any existing string for the given  defini-
     tion is removed.

RETURN VALUE
     The keycode must be greater than zero, else ERR is returned.

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
     keyok(3X).

AUTHOR
     Thomas Dickey.

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