C Pointers: What are they and how do you use them?

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Jun 3, 2022

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What is a pointer?

• If you have a variable ‘var’ in your program, ‘&var’ will give you the address in memory of the variable ‘var’.
• Pointer variables are special variables that are used to store addresses rather than values.
• A pointer is a variable that stores the memory address of another variable as its value.
• A pointer variable points to a data type (like int) of the same type, and is created with the * operator. The address of the variable you're…