//函数返回结构的使用示例

//函数返回结构的使用示例
#include<iostream.h>
#include<conio.h>
struct student
{
int num;
char name[20];
char sex;
float score;

};

student getstudent();
void displaystudentinfo(const student &stud);

int main()
{
student thestud={102,"li xiao ming",'M',92};

cout<<"Intial student information:";
displaystudentinfo(thestud);

thestud=getstudent();  //将右边结构类型的成员整体赋给左边
cout<<"\nAfter call getstudent:";
displaystudentinfo(thestud);

getch();
return 0;
}

student getstudent()     //返回值为student 型
{
student stud;

cout<<"Please enter the number:";
cin>>stud.num;

cout<<"Please enter the name:";
cin>>stud.name;

cout<<"Please enter the sex:";
cin>>stud.sex;

cout<<"Please enter the score:";
cin>>stud.score;

return stud;      //返回值仍然为值传递，类似return n(n为整型等基本数据类型)；

}

void displaystudentinfo(const student &stud) //用传引用的方式 输出原始信息 ，为防止原数据被修改用const进行限定
{
cout<<endl;
cout<<"num="<<stud.num<<"\t";
cout<<"name="<<stud.name<<"\t";
cout<<"sex="<<stud.sex<<"\t";
cout<<"score="<<stud.score<<"\t"<<endl;
}