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8.8.1.5: MTBSR

C code
struct mtop op = { MTBSR, COUNT };
result = ioctl(tapefd, MTIOCTOP, &op);

Description

Backward space over COUNT tape blocks (block-size is set via `MTSETBLK', See MTSETBLK).


Notes

See MTFSR.


Compatibility

MTBSR was unimplemented for ftape-2.x resp. sftape. For more information. See MTFSR.


Example

COUNT set to `5', i.e. skip backwards over 5 tape blocks with ftape-3.04d (and later versions):

mt -f /dev/nqft0 bsr 5

References
MTFSR
MTSEEK
MTSETBLK
Rewinding devices and tape motion commands.

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