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#include<stdio.h>
#include<stdlib.h>
#define LEN sizeof(struct Student)
struct Student
{
long num;
float score;
struct Student *next;
};
int n;
struct Student *creat()
{
struct Student *head;
struct Student *p1,*p2;
n=0;
p1=p2=(struct Student *)malloc(LEN);
scanf("%ld,%f",&p1->num,&p1->score);
head=NULL;
while(p1->num!=0)
{n=n+1;
if(n==1)head=p1;
else p2->next=p1;
p2=p1;
p1=(struct Studen *)malloc(LEN);
scanf("%ld,%f",&p1->num,&p1->score);
}
p2->next=NULL;
}
void print(struct Studen *head)
{
struct Student *p;
printf("\nNow, These %d records are:\n",n);
p=head;
if(head!=NULL)
do
{printf("%ld %5.1f\n",p->num,p->score);
p=p->next;
}while(p!=NULL);
}
int main()
{struct Student *head;
head=creat();
print(head);
}
p2->next=NULL;
return head;//struct Student *creat()函数最后要有个返回值
void print(struct Studen *head)//这儿错了
while(p1->num!=0)
{n=n+1;
if(n==1)head=p1;
else p2->next=p1;
p2=p1;
p1=(struct Student *)malloc(LEN);//这儿错了
scanf("%ld,%f",&p1->num,&p1->score);
}