C/C++ 结构体 函数传递

#include <stdio.h>
#include <stdlib.h>

struct student{
    int num;
    char str[20];
    double dec;
};

void scan(struct student *stu){
//    scanf("%d%s%lf", &stu->num, stu->str, &stu->dec);
    scanf("%d%s%lf", &(*stu).num, (*stu).str, &(*stu).dec);//.运算符优先级大于*
}

void print(struct student stu){
    printf("%d %s %lf\n", stu.num, stu.str, stu.dec);
}

int main(){

    struct student stu;
    
    scan(&stu);
    print(stu);

    return 0;
}
/*
20 字符串 20.02
*/