usr.bin/file/magdir/dump

#
# magic.dump, dump file format. For new and old dump filesystems
#
# No, these shouldn't specify a specific byte order, because the byte
# order is dependent on the machine that produced the dump.
#
24      long    60012           new-fs dump file,
>4      date    x               Previous dump %s,
>8      date    x               This dump %s,
>12     long    >0              Volume %ld,
>692    long    0               Level zero, type:
>692    long    >0              Level %d, type:
>0      long    1               tape header,
>0      long    2               beginning of file record,
>0      long    3               map of inodes on tape,
>0      long    4               continuation of file record,
>0      long    5               end of volume,
>0      long    6               map of inodes deleted,
>0      long    7               end of medium (for floppy),
>676    string  >\0             Label %s,
>696    string  >\0             Filesystem %s,
>760    string  >\0             Device %s,
>824    string  >\0             Host %s,
>888    long    >0              Flags %x

24      long    60011           old-fs dump file,
#>4     date    x               Previous dump %s,
#>8     date    x               This dump %s,
>12     long    >0              Volume %ld,
>692    long    0               Level zero, type:
>692    long    >0              Level %d, type:
>0      long    1               tape header,
>0      long    2               beginning of file record,
>0      long    3               map of inodes on tape,
>0      long    4               continuation of file record,
>0      long    5               end of volume,
>0      long    6               map of inodes deleted,
>0      long    7               end of medium (for floppy),
>676    string  >\0             Label %s,
>696    string  >\0             Filesystem %s,
>760    string  >\0             Device %s,
>824    string  >\0             Host %s,
>888    long    >0              Flags %x