int main()
{
    int param1 = 10;
    int param2 = 10;
    int res1 = ChangeValuesP(param1,param2);

    printf("[1] %d | %d | %d | n", res1, param1, param2);

    param1 = 10;
    param2 = 10;

    int res2 = ChangeValues(param1, param2);

}

int ChangeValuesP(int *param1, int *param2)
{
    int t1 = 15;
    int t2 = 15;
    param1 = &t1;
    param2 = &t2;
    return 3;
}

int ChangeValues(int param1, int param2)
{
    param1 = 100;
    param2 = 100;
    return 300;
}

[1] 3 | 10 | 10 |
[2] 300 | 10 | 10 |