Fan.Sys.StrInStream.readBuf C# (CSharp) Method

        public override Long readBuf(Buf buf, long n)
        {
            int nval = (int)n;
              for (int i=0; i<nval; ++i)
              {
            int c = rChar();
            if (c < 0) return Long.valueOf(i);
            buf.m_out.w(c);
              }
              return Long.valueOf(n);
        }