Offset  Length  Contents
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        1       Record size in bytes (must be even)
        1       Number of sectors in extended attribute record
        8       Number of the first sector of file data or directory
        8       Number of bytes of file data or length of directory
        7       Date and time
        1       Flags (HID, DIR ..., LAST for multiple sections)
        1       Interleaved file unit size or 0
        1       Interleaved file gap size or 0
        4       Volume sequence number (1)
        1       Length of name
        N       Name
        P       Padding