ncurses_has_key
    (PHP 4 >= 4.1.0)
ncurses_has_key -- Check for presence of a function key on terminal keyboard 
Description
int 
ncurses_has_key ( int keycode)
| Warning | 
| This function is
EXPERIMENTAL. The behaviour of this function, the
name of this function, and anything else documented about this
function may change without notice in a future release of PHP. 
Use this function at your own risk. | 
     undocumented