#include "stdafx.h"
#include<iostream>
using namespace std;
struct A
{
?int a;
?int b;
?int c;
};
struct B
{
};
struct C
{
?char a;
?int i;
} ;
struct D
{
?int i;
?char a;
};
struct E
{
?char a;
};
int _tmain(int argc, _TCHAR* argv[])
{
?cout<<sizeof(A)<<endl;
?cout<<sizeof(B)<<endl;
?cout<<sizeof(C)<<endl;
?cout<<sizeof(D)<<endl;
?cout<<sizeof(E)<<endl;
?getchar();
?return 0;
}
運行結果是 12
?????????????????????1
?????????????????????8
?????????????????????8
?????????????????????1
A好理解，3個int，每個4個字節，正好12個