iso_32bit_t
iso_32bit_t extent;
iso_32bit_t size;
iso_32bit_t volume_space_size;
iso_32bit_t path_table_size;
iso_32bit_t extent;
iso_32bit_t offset;
iso_32bit_t size;
iso_32bit_t mode;
iso_32bit_t nlink;
iso_32bit_t uid;
iso_32bit_t gid;
iso_32bit_t dev_high;
iso_32bit_t dev_low;
iso_32bit_t location;
iso_32bit_t location;