NAME
        RemVBlankInt -- remove a previously installed vertical blank routine.
                        (V40)

   SYNOPSIS
        RemVBlankInt(intHandle);
                     A1

        VOID RemVBlankInt(APTR);

   FUNCTION
        Removes a vertical blank interrupt routine previously added with
        addvblankint().

   INPUTS
        intHandle - handle obtained from addvblankint(). this may be null,
                    in which case this function does nothing.

   SEE ALSO
        addvblankint()