write(pad,0,((4 - size) & 3));
count += (4 - size) & 3;
    public void writeTyped(int type, Xdrable item) throws IOException {        int size;        if (item == null) {            writeInt(1);            write(type); //e.g. gds.isc_tpb_version3            size = 1;        }        else {            size = item.getLength() + 1;            writeInt(size);            write(type);            item.write(this);        }        write(pad,0,((4 - size) & 3));    }