code: public int getContentLength(int index) throws IOException {
  		int ret = -1;
  
  		if (this.lastIndex != index) {
  			this.readRecord(index);
  		}
  
  		ret = this.recLen;
  
  		return ret;
  	}
docs: Get the content length of the given record in bytes, not 16 bit words.
  
  @param index
  The index, from 0 to getRecordCount - 1
  @return The lengh in bytes of the record.
  @throws java.io.IOException