System.Text.EUCJPEncoding.CleanUpEndBytes C# (CSharp) Method

        protected unsafe override void CleanUpEndBytes(char* chars)
        {
            // Need to special case CP 51932
            // 0x81-0x9f and 0xe0-0xfc CP 932
            // 0x8e and 0xa1-0xfe      CP 20932
            // 0x10 and 0x21-0x9?       Us (remapping 932)
            // b0-df is 1/2 Katakana (trail byte)

            // A1-FE are DBCS code points
            for (int i = 0xA1; i <= 0xFE; i++)
                chars[i] = LEAD_BYTE_CHAR;

            // And 8E is lead byte for Katakana (already set)
            chars[0x8e] = LEAD_BYTE_CHAR;
        }