#include <stdio.h>
#include <stdlib.h>
struct date//结构体 声明了一个struct date
{
int month;
int day;
int year;
};
int main()
{
struct date today;// 定义了一个变量叫做struct date today,变量名字叫做today,类型是struct date
today.month=07;
today.day=31;
today.year=2014;
printf("日期是:%i-%i-%i\n",today.year,today.month,today.day);
return 0;
}