fork download 
  1. #include <iostream>
  2. using namespace std;
  3.  
  4. struct S1{
  5. 	int a; int b; int c; int d;
  6. };
  7.  
  8. struct S2{
  9. 	int a; int b;
  10. };
  11.  
  12. int main() {
  13. 	S1 obj1;
  14. 	obj1.a = 1;
  15. 	obj1.b = 2;
  16. 	obj1.c = 3;
  17. 	obj1.d = 4;
  18.  
  19. 	cout << obj1.a << " "
  20. 	     << obj1.b << " "
  21. 	     << obj1.c << " "
  22. 	     << obj1.d << "\n";
  23.  
  24. 	auto ptr = reinterpret_cast<S2 *>(&obj1);
  25.  
  26. 	cout << ptr->a << " " << ptr->b << "\n";
  27.  
  28. 	// someFunc(ptr, sizeof(obj1));
  29. }
Success #stdin #stdout 0s 15240KB
comments (?)
stdin 
Standard input is empty
stdout 
1 2 3 4
1 2
https://ideone.com/IsnpCv
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!