MTBSF
if (rmtioctl(MTBSF, 2) >= 0)
static struct mtop bsf = { MTBSF, 2 };
{ "bsf", MTBSF, O_RDONLY, 1 },
(void) ndmp_mtioctl(session->ns_tape.td_fd, MTBSF, 1);
tapeop.mt_op = MTBSF;
(void) ndmp_mtioctl(session->ns_tape.td_fd, MTBSF, 1);
files, MTBSF);
"lgclblkno=%"PRIx64"\n", infront?MTBSF:MTNBSF, count,
infront?MTBSF:MTNBSF, count, un->un_pos.fileno, un->un_pos.blkno);
case MTBSF:
case MTBSF: