C/C++ 结构体 函数传递

 #include <stdio.h>

 #include <stdlib.h>

 struct student{

     int num;

     char str[];

     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 ;

 }

 /*

 20 字符串 20.02

 */