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You do not need it for this problem,



They want a function. So the prototype would be something like:

void change(float totalcoin, int* quarters, int* dimes, int* nickels, int* pennies);

This is telling you what your function prototype should look like. The function should take 5 arguments, a float (for total coin amount), and 4 pointers to integers (for quarters, dimes, nickels, and...