#include <stdio.h>

struct student{

    int ID;

    char name[];

    int age;

};

int main(){

    //赋值：

    struct student s1 = { , "lifei",  };

    struct student s2 = { .ID = ,.name="letben",.age = };

    struct student s3 = { , "qingwa", .ID = , .age =  };

    //使用：

    printf("%s\n", s1.name);

    printf("%d\n", s1.ID);

    printf("%d\n", s1.age);

    printf("二号同学的信息：id:%d,姓名：%s,年龄：%d\n", s2.ID, s2.name, s2.age);

    printf("三号同学的信息：id:%d,姓名：%s,年龄：%d\n", s3.ID, s3.name, s3.age);

    getchar();

    return ;

}