l1.cpp

创建结构体

#include<iostream.h>
#include<string.h>
struct student
{
	int num;
	char name[20];
	struct birthday
	{
		int year,month,date;
	}day;

};
void main()
{
	student lhzh={20060144,"liyuya",1988,10,14};
	
	cout<<lhzh.name<<'\t'<<lhzh.num<<endl;
	cout<<lhzh.day.year<<'\t'<<lhzh.day.month<<'\t'<<lhzh.day.date<<'\n';
	cout<<sizeof(student)<<'\n';
}