docs: public void seek(int pos, int ref) throws SQLException {
      FastpathArg[] args = new FastpathArg[3];
      args[0] = new FastpathArg(fd);
      args[1] = new FastpathArg(pos);
      args[2] = new FastpathArg(ref);
      fp.fastpath("lo_lseek", args);
    }