Plse search the forum for alittle article about the magic of 255Bytes.
Back to your Question. The length is internaly stored in one byte.
So what is the max. value you could store there ???
I am stealing this from somebody else that uses this phase in his signature and paraphrasing a bit:
The are 10 types of people in this world. Those that think binary and those who don't.
(The qualification I gave at the beginning of this post was provided,
since I know that there are others who will recognize the phrase
and be pissed because I stole it first!).