
#include 
#include 
using namespace std;

struct Point
{
    std::string name;
    double x, y, z;
    void move (double sx, double sy, double z)
    {
        x = x + sx;
        y += sy;
        this->z += z;
    }
};

void point_move (Point * self, double sx, double sy, double sz)
{
    self->x = self->x + sx;
    self->y += sy;
    self->z += sz;
}

int main ()
{
    Point * p = new Point;
    p->name = "start";
    p->x = 1.0;
    p->y = 2.0;
    p->z = 0.0;
    p->move (10, 20, 0);

    point_move (p, 10, 20, 0);

    cout << sizeof (p);
    cout << sizeof (*p);

    return 0;
}