C语言结构体指针变量作函数参数

1. struct stu{
2. int num;
3. char *name;
4. char sex;
5. float score;
6. }boy[5]={
7. {101,"Li ping",'M',45},
8. {102,"Zhang ping",'M',62.5},
9. {103,"He fang",'F',92.5},
10. {104,"Cheng ling",'F',87},
11. {105,"Wang ming",'M',58}
12. };
13. main(){
14. struct stu *ps;
15. void ave(struct stu *ps);
16. ps=boy;
17. ave(ps);
18. }
19. void ave(struct stu *ps){
20. int c=0,i;
21. float ave,s=0;
22. for(i=0;i<5;i++,ps++){
23. s+=ps->score;
24. if(ps->score<60) c+=1;
25. }
26. printf("s=%f\n",s);
27. ave=s/5;
28. printf("average=%f\ncount=%d\n",ave,c);
29. }

struct stu{
    int num;
    char *name;
    char sex;
    float score;
}boy[5]={
    {101,"Li ping",'M',45},
    {102,"Zhang ping",'M',62.5},
    {103,"He fang",'F',92.5},
    {104,"Cheng ling",'F',87},
    {105,"Wang ming",'M',58}
};
main(){
    struct stu *ps;
    void ave(struct stu *ps);
    ps=boy;
    ave(ps);
}
void ave(struct stu *ps){
    int c=0,i;
    float ave,s=0;
    for(i=0;i<5;i++,ps++){
        s+=ps->score;
        if(ps->score<60) c+=1;
    }
    printf("s=%f\n",s);
    ave=s/5;
    printf("average=%f\ncount=%d\n",ave,c);
}