ext2fs_htree_sort_entry
const struct ext2fs_htree_sort_entry *entry1, *entry2;
entry1 = (const struct ext2fs_htree_sort_entry *)e1;
entry2 = (const struct ext2fs_htree_sort_entry *)e2;
struct ext2fs_htree_sort_entry *sort_info, dummy;
sort_info = (struct ext2fs_htree_sort_entry *)
kheapsort(sort_info, entry_cnt, sizeof(struct ext2fs_htree_sort_entry),