#include <stdlib.h>
#include <windows.h>

class Class_1 {
public:
   Class_1 () {
   }
};

struct STR_1 {
   int x, y, z;
}

Class_1 class_var;
int abc, xyz;

int WINAPI WinMain(HINSTANCE hInst, HINSTANCE hPInst, LPSTR sCmd, int nCmd) {
    abc = 0;
    class_var = new Class_1();
    return 0;
}

void CallBack_1 () {
    xyz = abc;
}