What does the & symbol mean in Objective-C? I am currently looking at data constucts and am getting really confused by it.

I have looked around the web for it but have not found an answer at all. I know this is possibly a basic Objective-C concept, but I just can't get my head around it.

For example:

int *pIntData = (int *)&incomingPacket[0];

What is the code doing with incoming packet here?

iphone objective-c syntax operators
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