mcf.gds.isc_put_segment(blob, buf);
try { mcf.gds.isc_put_segment(blob, buf); } catch (GDSException ge) { checkFatal(ge); throw ge; }
    public void putBlobSegment(isc_blob_handle blob, byte[] buf) throws GDSException {        mcf.gds.isc_put_segment(blob, buf);    }