grub_uint64_t
grub_uint64_t magic;
grub_uint64_t primary;
grub_uint64_t backup;
grub_uint64_t start;
grub_uint64_t end;
grub_uint64_t partitions;
grub_uint64_t type1;
grub_uint64_t type2;
grub_uint64_t start;
grub_uint64_t end;
typedef grub_uint64_t grub_u_int64_t;