我们刚刚学结构体，很多东西不懂，求高手帮我看看下面程序哪里有错，谢谢！
#include <stdio.h>
struct data
{
    int month;
    int day;
    int year;
};
struct student
{
    char name[20];
    int age;
    char sex;
    struct data_birthday;
    char language;
    char department[30];
};
int main()
{
    struct data d1={5,6,1976};
    struct student s1={"LiMing",20,"M",d1,"c","计算机系"};
    printf("%s",&s1);
    return 0;
}
应该怎么改，菜鸟在此拜谢了！嘿嘿！

输出改下，一项一项的来，别嫌麻烦，结构体不是字符串

printf("%s,%d,%c,%d,%d,%d,%c,%s",s1.name,s1.age,s1.sex,s1.d1.year,s1.d1.month,s1.d1.day,s1.language,s1.department);

#include <stdio.h>
struct data
{
    int month;
    int day;
    int year;
};
struct student
{
    char name[20];
    int age;
    char sex;
    struct data birthday;
    char language;
    char department[30];
};
int main()
{      struct data d1={5,6,1976};
       struct student s1={"LiMing",20,'M','d1','c',"计算机系"};
    printf("%s",&s1);
    return 0;
}
但你那个输出有很大的问题呢！！我只是改了前面的一些东西！！输出要一项一项的输出！！你自己先改改呢！！

#include <stdio.h>
struct data
{
    int month;
    int day;
    int year;
};
struct student
{
    char name[20];
    int age;
    char sex;
    struct data birthday;
    char language;
    char department[30];
};
int main()
{
    struct data d1={5,6,1976};
    struct student s1={"LiMing",20,'M',d1.month,d1.day,d1.year,'c',"计算机系"};
    printf("%s %d %c %d %d %d %c %s\n", s1.name, s1.age, s1.sex, s1.birthday.month, s1.birthday.day, s1.birthday.year, s1.language, s1.department);
    return 0;
}


嫌麻烦的话用typedefine吧

#include <stdio.h>
 struct data
 {
     int month;
     int day;
     int year;
 };
 struct student
 {
     char name[20];
     int age;
     char sex;
     struct data birthday;
     char language;
     char department[30];
 };
 int main()
 {
     struct student s1={"LiMing",20,'M',5,6,1976,'c',"计算机系"};
     printf("%s %d %c %d %d %d %c %s\n", s1.name, s1.age, s1.sex, s1.birthday.month, s1.birthday.day, s1.birthday.year, s1.language, s1.department);
     return 0;
 }
 

结构体 定义
struct node
{
  char name[20];
     int age;
     char sex;
     struct data birthday;
     char language;
     char department[30];
} area；/*这里需要一个指针变量储存结构体*/

struct data_birthday;  下划线？ 应该是用空格吧？
输出有严重的问题 上面也说过了

data 的数据不可以在 student 中输入
输出的取地址表示错误,,认真看书对下吧

结构体的成员要单个的引用啊！！