$ cd libiconv/tests
$ wc -l *.TXT | grep ' 256 '
256 ATARIST.TXT
256 CP1124.TXT
256 CP1125.TXT
256 CP1129.TXT
256 CP1163.TXT
256 CP1256.TXT
256 CP437.TXT
256 CP737.TXT
256 CP775.TXT
256 CP850.TXT
256 CP852.TXT
256 CP855.TXT
256 CP858.TXT
256 CP860.TXT
256 CP861.TXT
256 CP862.TXT
256 CP863.TXT
256 CP865.TXT
256 CP866.TXT
256 CP922.TXT
256 Georgian-Academy.TXT
256 Georgian-PS.TXT
256 ISO-8859-1.TXT
256 ISO-8859-10.TXT
256 ISO-8859-13.TXT
256 ISO-8859-14.TXT
256 ISO-8859-15.TXT
256 ISO-8859-16.TXT
256 ISO-8859-2.TXT
256 ISO-8859-4.TXT
256 ISO-8859-5.TXT
256 ISO-8859-9.TXT
256 KOI8-R.TXT
256 KOI8-RU.TXT
256 KOI8-U.TXT
256 MacCentralEurope.TXT
256 MacCyrillic.TXT
256 MacUkraine.TXT
256 PT154.TXT
256 RISCOS-LATIN1.TXT
256 TCVN.TXT
256 VISCII.TXT