public void readBytes(byte[] b, int offset, int len) throws IOException {while (len > 0) {final int cnt = is.read(b, offset, len);if (cnt < 0) {throw new EOFException();}len -= cnt;offset += cnt;}}
public override void ReadBytes(byte[] b, int offset, int len){while (len > 0){int cnt = _reader.Read(b, offset, len);if (cnt < 0){throw new EndOfStreamException();}len -= cnt;offset += cnt;}}