//通过指针变量访问并输出结构数组的各元

//通过指针变量访问并输出结构数组的各元素
#include<iostream.h>
#include<conio.h>

#define student__num 5 
struct student
{
   int num;
   char name[20];
   char sex;
   int score;       
       
       
};
void displaystudentinfo(const student *const);

int main()
{
  student theclass[student__num]={
                                 {110,"wei shanshan",'M',98},
                                 {120,"bai yushuang",'N',78},  
                                 {130,"liu linlinff",'N',89.5}, 
                                 {140,"xiao haizi",'M',78.5}, 
                                 {150,"cao jingjing",'M',69.7},
                                 };
                                 
   student *pstud=theclass;  //pstud 为指向student 结构的指针，其值被初始化成数组theclass的首地址， 
   
   for(int i=0;i<student__num;i++)//通过时pstud自增，使得pstud指向theclass[i],然后调用函数输出数组中各元素的成员值 
     displaystudentinfo(pstud++);
     
   getch();return 0; 
    
} 

void displaystudentinfo(const student *const stud)//const 限定防止原数组被改变 
{
       cout<<"num="<<stud->num<<"\t";
       cout<<"name="<<stud->name<<"\t"; 
       cout<<"sex="<<stud->sex<<"\t";
       cout<<"score="<<stud->score<<endl<<endl;       
     
     
}