partition_tape
res = partition_tape(devip,
res = partition_tape(devip, devip->tape_nbr_partitions,
res = partition_tape(devip, 1, TAPE_UNITS, 0);
if (partition_tape(devip, 1, TAPE_UNITS, 0) < 0) {
i = partition_tape(STp, mtc.mt_count);