Untitled

void plastic_card(char branding[], int number, char nameofcardholder[], char chip[], int expired, char logo[]);

int main() {
    //step3
    double x, *ptr;
    x = 10;
    ptr = &x;
    printf("original value is: %e\n", x);
    *ptr = 25;
    printf("the new value is: %e\n", x);
    printf("\n\n");

    //step4
    double p = 3.7;
    double e = 2.7;
    printf("before swap, the value of p is : %f\n", p);
    printf("before swap, the value of ls is : %f\n", e);
    swap(&p, &e);
    printf("after swap, the value of p is : %f\n", p);
    printf("after swap, the value of ls is : %f\n", e);

    //step5
    struct card type = { "YourBank", 1234567890123456, "cardholder name", "there is a chip", 07/19, "LOCO" };
    plastic_card(type.branding, type.number, type.nameofcardholder, type.chip, type.expired, type.logo);

    return 0;
}