总是提示错误，要怎么改？

2018-4-17 0:0:0　wondial

总是提示错误，要怎么改？

总是提示错误，要怎么改？#include#include#includestruct student *creative();#define LONG sizeof(struct student)void printf(struct student *);//定义的输出函数struct student{int number;char name[10];int score;struct student *next;
};int n;//全局变量，是代表所要连接的结构体数目void main(){struct student *stu;stu=creative();//执行创造、连接结构体printf(stu);//输出连接完成的结构体}struct student *creative(){struct student *p1,*p2=NULL;//声明p1,p2结构体struct student *head=NULL;p1 = p2 = (struct student *)malloc(LONG);
printf("Please input the student's number:");//将信息存入结构体中scanf("%d",&p1->number);printf("Please input the students' name:"); ? ?scanf("%s",&p1->name);printf("Please input the student's score:");scanf("%d",&p1->score);
n=0;//应为尚未连接，结构体数目为0while(p1->number){
n++; if(n==1){head=p1;}else
p2->next=p1;
p2=p1;p1=(struct student *)malloc(LONG);printf("Please input the student's number:");scanf("%d",&p1->number);printf("Please input the students' name:");scanf("%s",&p1->name);printf("Please input the student's score:");scanf("%d",&p1->score);}p1->next=NULL;return head;}void printf(struct student *head){struct student *p;p=head;printf("There are %d students' message",n);do{printf("the number %d student,called %s,got %d in a text\n",p->number,p->name,p->score); ?p=p->next;}while(p!=NULL);}

中了病毒，要重装系统，用光速一键重装系统，这个软件在线就能装XP；Win7;Win8系统，不光盘和U盘，32.64位的都有，不会可百度一下这个软件，有下载的，会点确定就能自已装系统的。

把所有的"scanf"改为"scanf_s"看看
CTAL+A然后BACKSPACE

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