#include <iostream>

using namespace std;

struct S
{
  int i;
  int j;
  int k;
};

class C
{
public:
  int i;
  int j;
  int k;
  C ( void );
  virtual ~C ( void );
};
C::C ( void ) : i ( 0 ), j ( 0 ), k ( 0 )
{
}
C::~C ( void )
{
}

int main ( void )
{
  S *s = new S;

  s->i = 0;
  s->j = 0;
  s->k = 0;

  C *c = reinterpret_cast < C * > ( s );  //违背1

  //...
  
  return ( 0 );
}