编辑代码

#include <stdio.h>
#include <string.h>
struct Book{
    char title[20];
    char auth[20];
    char data[20];
    float price;
}book;

int main () {
    //JSRUN引擎2.0，支持多达30种语言在线运行，全仿真在线交互输入输出。 
    struct Book bookNum1;
    strcpy(bookNum1.title,"活着");
   /* bookNum1.title = "活着";
    bookNum1.auth = "莫言";
    bookNum1.data = "20220202";*/
    bookNum1.price = 19.09;
    printf("2222%s\n",bookNum1.title);
   /* printf("%s\n",bookNum1.auth);
    printf("%s\n",bookNum1.data);*/
    printf("%f\n",bookNum1.price);
    return 0;
}