So long as ptr is a reference to an integer, what happens if we add 4 to it?

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A: Here is your solution -

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Q: What happens if you add 4 to ptr, assuming it is a reference to an int?

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Q: What occurs when you multiply ptr by 4? Assuming that ptr is a reference to an int, what happens

A: If we multiply ptr by 4 that what will happen , ptr is a reference to an integer.

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Declaring and Defining the function

A set of statements, which performs a particular task is called a function. The program gains modularity by using function. The application is quite easy to understand, read, and edit when they are created with functions. The developer/programmer creates a function and uses main() to call the function. Once the function gets executed, the control is transferred to the main program.