.SH 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 \fIenable\fP parameter is true, then the key must have been disabled,
and vice versa.
Otherwise, the function returns OK.
.SH 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 \fIenable\fP parameter is true, then the key must have been disabled,
and vice versa.
Otherwise, the function returns OK.