Allow the test for ISO9660 filesystems to be applied to non-CD devices
and plain file images too. If no TOC can be read, a single track is
assumed which spans the whole thing.
The disklabel will be u

Allow the test for ISO9660 filesystems to be applied to non-CD devices
and plain file images too. If no TOC can be read, a single track is
assumed which spans the whole thing.
The disklabel will be updated if supported by the device. If not, just
the ISO volume label information will be printed.

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-before adding a "partition", check for an ISO9660 filesystem,
and print out volume label and creation time
-if the drive cannot be open()ed read-write, try read-only and
print the information

Sort SEE ALSO.

to complement my recent kernel changes: add a small tool to build a
disklabel (in-core one, of course) from a CD TOC, which is useful
to access previous sessions on a multi-session CD