grub_ext2_blockgroup(struct grub_ext2_data*,grub_uint64_t,struct grub_ext2_block_group*)
{...}
: grub_err_t
grub_ext4_find_leaf(struct grub_ext2_data*,struct grub_ext4_extent_header*,grub_uint32_t,struct grub_ext4_extent_header**)
{...}
: grub_err_t