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pointer to a reference
1 Answer(s)      2 years and 6 months ago
Posted in : Java Beginners


pointer to a reference in C++


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February 13, 2012 at 5:30 PM


 #include <iostream>
    using namespace std;

    void foo1(int& x)
    {
    int* p = &x;
    *p = 123;
    }

    void foo2(int* x)
    {
    int** p = &x;
    **p = 345;
    }

    int main(int argc, char* argv[])
    {
    int abc = 0;
    foo1(abc);
    cout << abc << "\n";
    abc = 0;
    foo2(&abc);
    cout << abc << "\n";
    return 0;
    }


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