http://blog.csdn.net/wangkechuang/article/details/7757039

#include
using namespace std;
#define my_sizeof(L_Value) ( (char *)(&L_Value + 1) - (char *)&L_Value )

struct d
{
   int  a;
   double  b;
   char c[2];
};
struct dd
{
    int a[10];
 char b;
 double c;
 d e;
};
int main()
{
 dd f;
 cout< return 0;
}