// Pointers and stuct example

#include <iostream>

using namespace std;

    /* card structure definition */
    struct Card
    {
      int face; // define pointer face
    };

    /* prototype */
    void passByReference(Card *c) ;

    int main()
    {
    Card c ;
    c.face = 1 ;

    Card *cptr;
    cptr= &c ;

    cout << "The value of c before function passing " << c.face << endl;
    cout << "The value of cptr before function " << cptr->face << endl;

    passByReference(cptr);

    cout << "The value of c after function passing " << c.face << endl;

    return 0 ;
    }


    void passByReference(Card *c)
    {
        c->face = 4;
    }