idn2_check_version, ,idn2_free, ,idn2_lookup_u8, ,idn2_lookup_ul, ,idn2_register_u8, ,idn2_register_ul, ,idn2_strerror, ,idn2_strerror_name, ,idn2_to_ascii_4i, ,idn2_to_ascii_4i2, ,idn2_to_ascii_4z, ,idn2_to_ascii_8z, ,idn2_to_ascii_lz, ,idn2_to_unicode_44i, ,idn2_to_unicode_4z4z, ,idn2_to_unicode_8z4z, ,idn2_to_unicode_8z8z, ,idn2_to_unicode_8zlz, ,idn2_to_unicode_lzlz.