buffered[min] = min (records_per_buffer, run_length[min]);
for (j = 0; j < buffered[min]; j++)
if ((int) fread (x[j + ofs]->record, sizeof (union value),
buffered[min] = min (records_per_buffer, run_length[min]);
for (j = 0; j < buffered[min]; j++)
if ((int) fread (x[j + ofs]->record, sizeof (union value),