ext2fs_htree_count
return ((struct ext2fs_htree_count *)(ep))->h_entries_num;
((struct ext2fs_htree_count *)(ep))->h_entries_num = cnt;
((struct ext2fs_htree_count *)(ep))->h_entries_max = limit;
return ((struct ext2fs_htree_count *)(ep))->h_entries_max;