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After the class, you should be able to

• Understand what a pointer is
• Declare different types of pointers
• Understand some of the use cases for pointers
• Understand what a NULL pointer is
• Understand the dereference and address operators
• Understand why some variables when reading with scanf() required & and some didn’t
• Find the address of any variable
• Pass addresses of variables to functions (by reference)
• Better understand the difference of passing arguments to functions by value and by reference (originally simplified as copy, original)
• Understand how arrays are actually passed to functions and thus why we can alter them without any extra steps
• Understand pointer arithmetics
• Know what a memory address looks like
• Understand that there are different width memory addresses and why  it is like that

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