我想創建一個學生信息成績冊，程序如下，能輸入，但顯示不出來，怎么回事啊？求助

#include

#include

#define NULL 0

#define LEN sizeof(struc

我想創建一個學生信息成績冊，程序如下，能輸入，但顯示不出來，怎么回事啊？求助

#include

#include

#define NULL 0

#define LEN sizeof(struct student)

struct student

{

long stu_num;

char stu_name;

float stu_score;

struct student *next;

};

int n;

void main()

{

struct student *creat(void);

struct student *ty;

printf("\nPlease input the student information:");

printf("\nas the order of student number:\n");

ty=creat();

printf("\nNow,These records are:\n");

if(ty!=NULL)

do

{printf("%ld %s %5.1f\n",ty->stu_num,ty->stu_name,ty->stu_score);

ty=ty->next;

}while(ty!=NULL);

}

struct student *creat(void)

{

struct student *head;

struct student *t1,*t2;

n=0;

t1=t2=(struct student*)malloc(LEN);

scanf("%ld,%s,%f",&t1->stu_num,&t1->stu_name,&t1->stu_score);

head=NULL;

while(t1->stu_num!=0)

{

n=n+1;

if(n==1)head=t1;

else t2->next=t1;

t2=t1;

t1=(struct student*)malloc(LEN);

scanf("%ld,%s,%f",&t1->stu_num,&t1->stu_name,&t1->stu_score);

}

t2->next=NULL;

return(head);

}

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