io.IoLexer.readLetter C# (CSharp) Method

        public int readLetter()
        {
            return Convert.ToInt32(readCharInRange('A', 'Z') !=0|| readCharInRange('a', 'z')!=0
                || readNonASCIIChar()!=0);
            /*
            if (!onNULL())
            {
                char c = nextChar();
                return 1;
            }
             */
            //return 0;
        }