C语言结构体嵌套

#include <stdio.h>

int main()
{
    /***************************************************
     *结构体嵌套：结构体里面包含结构体
     *
     *注意：被包含的结构体要先定义，结构体不能包含自己
     ****************************************************/
     struct Date
     {
         int year;
         int month;
         int day;
     };
     struct Student
     {
         int no;
         struct Date birthday;
     };
     struct Student student =
     {
             ,
             {, , }
     };
     printf("no = %d, birthday = %d年%d月%d日 \n", student.no,
               student.birthday.year, student.birthday.month, student.birthday.day);
     return ;
}

no = , birthday = 1989年2月4日