code: function joinBuffers(buffers) {
  		var
  			i = -1, j = -1,
  			num = buffers.length,
  			totalBytes = 0,
  			bytesWritten = 0,
  			buff,
  			superBuff
  		;
  		while (++i < num) {
  			totalBytes += buffers[i].length;
  		}
  		superBuff = new Buffer(totalBytes);
  		while (++j < num) {
  			buff = buffers[j];
  			buff.copy(superBuff, bytesWritten, 0);
  			bytesWritten += buff.length;
  		}
  		return superBuff;
  	}
docs: Concatentate an array of Buffers into a single one.