pub unsafe extern "C" fn ext2fs_dirhash2(
    version: c_int,
    name: *const c_char,
    len: c_int,
    charset: *const ext2fs_nls_table,
    hash_flags: c_int,
    seed: *const __u32,
    ret_hash: *mut ext2_dirhash_t,
    ret_minor_hash: *mut ext2_dirhash_t
) -> errcode_t