今晚见的几个代码

1  char a = 256;
2  int b = a;
3  b++;
4  cout << b << endl; //  答案是1

#include "stdafx.h"
#include <iostream>
using namespace std;

struct TSA
{
	int a;
	int b;
	int c;
};

struct TSB
{
	int a;
	int b;
	int c;
	int d;
};


int _tmain(int argc, _TCHAR* argv[])
{
	struct TSA sa[] = {{3},{4},{5},{6}};
	struct TSB *psb = (struct TSB *)sa+1;
	printf("%d %d %d %d\n", psb->a, psb->b, psb->c, psb->d);
	return 0;
}

数组sa初始化以后  内存中的值是3 0 0 ， 4 0 0 5 0 0 6 0 0   然后强制转化到TSB类型 结果就是 0050了