内存中的各变量分配验证
#include <iostream>using namespace std;struct S{int a;char b;int c;char d;char e;int f;double g;int h;};int main(){S s;s.a = 10;s.b = 'b';s.c = 30;s.d = 'd';s.e = 'e';s.f = 60;s.g = 70.0;s.h = 80;cout<<sizeof(s)<<endl;void* x = &s;cout<<*(int*)x<<endl;//ax = (int*)x+1;cout<<*(char*)x<<endl; //bx = (int*)x+1;cout<<*(int*)x<<endl;//cx = (int*)x+1;cout<<*(char*)x<<endl;//dx = (char*)x+1;cout<<*(char*)x<<endl;//ex = (char*)x+3;cout<<*(int*)x<<endl;//fx = (int*)x+1;cout<<*(double*)x<<endl;//gx = (double*)x+1;cout<<*(int*)x<<endl;//hreturn 0;}