Question: In C + + how can pointers be used by in a Function Prototype / Header to create a call by reference and change local

In C++ how can pointers be used by in a Function Prototype/Header to create a call by reference and change local variables from main within the Function?
Create an example. Set a pointer to a character and another to an integer and send them both to a Function as CBR.
Modify the pointers within the Function and then return to main. Display the int and char. Were they modified as well?

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