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  1.     class A;
  2.     extern "C" void foo(A*);
  3.  
  4.  
  5.     class A
  6.     {
  7.         int i;
  8.         friend void foo(A*);
  9.     };
  10.  
  11.     extern "C" void foo (A* a)
  12.     {
  13.         a->i = 10;
  14.     }
  15.  
  16.     int main()
  17.     {
  18.         A a;
  19.         foo(&a);
  20.         return 0;
  21.     }
Success #stdin #stdout 0s 2848KB
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https://ideone.com/IMont8
language:
C++ (gcc 8.3)
created:
12 years ago
visibility:
public

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