C Pointers Question:
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Explain indirection?


If you declare a variable, its name is a direct reference to its value. If you have a pointer to a variable, or any other object in memory, you have an indirect reference to its value. If p is a pointer, the value of p is the address of the object. *p means "apply the indirection operator to p"; its value is the value of the object that p points to. (Some people would read it as "Go indirect on p.")

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Tell me with an example the self-referential structure?How many levels of pointers have?