结构体。。。

#include 
#include 
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-%in",today.year,today.month,today.day);
    return 0;
}