···

include <stdio.h>

include <string.h>

pragma warning(disable:4996)

struct AGE
{
int year;
int month;
int day;
};
struct STUDENT
{
char name[20]; //姓名
int num; //学号
struct AGE birthday; //生日
float score; //分数
};
int main(void)
{
struct STUDENT student1; /用struct STUDENT结构体类型定义结构体变量student1/
struct STUDENT* p = NULL; /定义一个指向struct STUDENT结构体类型的指针变量p/
p = &student1; /p指向结构体变量student1的首地址, 即第一个成员的地址/
strcpy((p).name, "小明"); //(p).name等价于student1.name
(p).birthday.year = 1989;
(p).birthday.month = 3;
(p).birthday.day = 29;
(p).num = 1207041;
(p).score = 100;
printf("name : %s\n", (p).name); //(p).name不能写成p
printf("birthday : %d-%d-%d\n", p->birthday.year, (p).birthday.month, (p).birthday.day);
printf("num : %d\n", (p).num);
printf("score : %.1f\n", (*p).score);
return 0;
}
···