C-(操作符) ".""->"

//结构成员访问操作符 . ->
//结构体
//int float char short
//double long
//
//书：书名，书号，出版社，作者，定价
//人：名字，年龄，性别
struct Book {
    char name[20];
    char id[20];
    int price;
};
int main()
{
    //创建一本书方法1
    //struct Book b= { "C语言","C20220402",55};
    //printf("书名：%s\n", b.name);
    //printf("书号：%s\n", b.id);
    //printf("定价：%d\n", b.price);

    //创建一本书方法2
    struct Book b= { "C语言","C20220402",55};
    struct Book* pb = &b;
    printf("书名：%s\n", pb->name);
    printf("书号：%s\n", pb->id);
    printf("定价：%d\n", pb->price);
    
    return 0;
}