what is a pointer for

What is a pointer for and why do I want to use it?
It is used for fun. Hahahahahahaaa!!!
It can be used to access variables indirectly, and other stuff.
Read http://www.cplusplus.com/doc/tutorial/pointers/ for more info!
Already been asked. Repeatedly.

I highly recommend reading up on pointers. They are amazing once you know how to use them well.
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