NAME
        RemoveGList -- remove a sublist of gadgets from a window.

    SYNOPSIS
        Position = RemoveGList( window, gadget, numgad )
        D0                      A0      A1      D0

        uword removeglist( struct window *, struct gadget *, word );

    FUNCTION
        Removes 'Numgad' gadgets from the gadget list of the specified
        window.  Will remove gadgets from a requester if the first
        gadget's GadgetType flag GTYP_REQGADGET is set.

        Otherwise identical to removegadget().

    NOTE
        The last gadget in the list does NOT have its link zeroed.
        New with V36: OK, last gadget's NextGadget field is set to NULL.

        New with V37: If one of the gadgets you wish to remove
        is the active gadget, this routine will wait for the user
        to release the mouse button before deactivating and removing
        the gadget.

    INPUTS
        window = pointer to the window containing the gadget or the requester
            containing the gadget to be removed.
        gadget = pointer to the gadget to be removed.  the gadget itself
           describes whether this is a gadget that should be removed
           from the window or some requester.
        Numgad = number of gadgets to be removed.  If -1, remove all gadgets
            to end of window gadget list

    RESULT
        Returns the ordinal position of the removed gadget.  If the gadget
        wasn't found in the appropriate list, or if there are no gadgets in
        the list, returns -1.

    BUGS

    SEE ALSO
        removegadget(), addgadget(), addglist()