References passing pointers

#include <iostream>

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// pass by reference and pointer

void cubeHotdog( int* );

int main()
{
    // reference
    int number = 5;

    // prints reference
    std::cout << number << std::endl;

    // pointer iniliztize and given address
    int* hotdogPointer = &number;

    // calling function
    cubeHotdog(&number);

    // prints new reference
    std::cout << number;
    system("pause");
}

void cubeHotdog(int* pointer)
{
    *pointer = *pointer * *pointer * *pointer;
}