code: public void putInt(int i) {
          _buffer[_offset++] = (byte) (i >>> 24);
          _buffer[_offset++] = (byte) (i >> 16);
          _buffer[_offset++] = (byte) (i >> 8);
          _buffer[_offset++] = (byte) i;
      }
docs: Put an integer into the buffer
  
  @param i
  Integer to store in XDR buffer.