C Functions Question:
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Do you know pointer in C?

Answer:

A pointer is an address location of another variable. It is a value that designates the address or memory location of some other value (usually value of a variable). The value of a variable can be accessed by a pointer which points to that variable. To do so, the reference operator (&) is pre-appended to the variable that holds the value. A pointer can hold any data type, including functions.

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Do you have any idea how to compare array with pointer in C?Tell me what is NULL pointer in C?