关于sizeof 对齐,该如何处理

关于sizeof 对齐

C/C++ code

struct A{    int *c;    char   b;    double   a;};

C/C++ code

struct A{    int *c;    char   b;    double   a;};#include <iostream>using namespace std;int main(){    cout<<offsetof(A,c)<<endl;    cout<<offsetof(A,b)<<endl;}