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Problem 4 It is important to me that you understand what it means to pass by value and what it means to pass information to a function whose change by the called function is visible to the caller The Solution Requirements Your solution will entail answering questions: 1. What is meant by "an argument is passed by value" and what is the implication of 2. 3. 4. passing by value? Is an array passed by value? Is a struct passed by value? How is it possible for a function to change the value of a variable it receives? Explain how the C-string function strcmp() does it's processing. What are it's return values and what do they mean? 5. What is a function pointer and how could it prove useful? Provide text that answers each of these questions