ds_put_format(string, " (unbuffered)");
if (ntohs(op->total_len) != data_len)
ds_put_format(string, " (***total_len != data_len***)");
ds_put_format(string, " (unbuffered)");
if (ntohs(op->total_len) != data_len)
ds_put_format(string, " (***total_len != data_len***)");