isc_open_blob2

function isc_open_blob2(

  status_vector: PISC_STATUS;

  db_handle: PISC_DB_HANDLE;

  tran_handle: PISC_TR_HANDLE;

  blob_handle: PISC_BLOB_HANDLE;

  blob_id: PISC_QUAD;

  bpb_length: Short;

  bpb_buffer: PChar

):ISC_STATUS;