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Is this right about pointers
So i just wanted to know if i'm along the right track about pointers so here i go.
Instead of using a variable for holding a value you can use pointers to get the value of a variable in memory. Doing this would help later on with storing information in the memory and accessing it just by getting the address using the '*' and getting the value using the '&'.
This is how i see pointers am i right or am i a bit way of are they just basically better and more reliable way of finding and storing values in memory ?
How is that O'Reilly book on pointers?