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  1. #include <iostream>
  2.  
  3. using namespace std;
  4.  
  5. class s1
  6. {
  7. public:
  8.   int i;
  9.   float f;
  10.   char c;
  11. };
  12.  
  13. class s2
  14. {
  15. public:
  16.   short s;
  17.   float f;
  18.   char c;
  19. };
  20.  
  21. class s3
  22. {
  23. public:
  24.   int i;
  25.   double d;
  26.   char c;
  27. };
  28.  
  29. int main()
  30. {
  31.   cout << "s1::i: " << offsetof(s1, i) << endl;
  32.   cout << "s1::f: " << offsetof(s1, f) << endl;
  33.   cout << "s1::c: " << offsetof(s1, c) << endl << endl;
  34.  
  35.   cout << "s2::s: " << offsetof(s2, s) << endl;
  36.   cout << "s2::f: " << offsetof(s2, f) << endl;
  37.   cout << "s2::c: " << offsetof(s2, c) << endl << endl;
  38.  
  39.   cout << "s3::i: " << offsetof(s3, i) << endl;
  40.   cout << "s3::d: " << offsetof(s3, d) << endl;
  41.   cout << "s3::c: " << offsetof(s3, c) << endl << endl;
  42.  
  43.   return 0;
  44. }
Success #stdin #stdout 0s 4288KB
comments (?)
stdin
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Standard input is empty
stdout
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s1::i: 0
s1::f: 4
s1::c: 8

s2::s: 0
s2::f: 4
s2::c: 8

s3::i: 0
s3::d: 8
s3::c: 16
https://ideone.com/WWDz8M
language:
C++14 (gcc 8.3)
created:
5 years ago
visibility:
public

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