public long skip(long bytes) throws IOException {
  long bytesSkipped=bufferedInput.skip(bytes);
  offset+=bytesSkipped;
  available-=bytesSkipped;
  return bytesSkipped;
}

public long skip ( long bytes ) throws IOException { long bytesSkipped = bufferedInput . skip ( bytes ) ; offset += bytesSkipped ; available -= bytesSkipped ; return bytesSkipped ; }
skip requested number of bytes .
