#include<iostream>
using namespace std;
struct info
{
unsigned a:1; //整型常数必须是非负整数
signed b:1;
signed c:1;
int d:1;
int :32; //可以没有变量名,当占位符使用,赋值时会忽略
int age;
};
void main()
{
cout<<endl<<"sizeof info="<<sizeof(info)<<endl;
cout<<endl<<"int="<<sizeof(int)<<endl;
cout<<endl<<"signed="<<sizeof(signed)<<endl;
cout<<endl<<"unsigned="<<sizeof(unsigned)<<endl;
}