#include<stdio.h>
#include<stdlib.h>
#define NULL 0
#define LEN sizeof(struct student)
struct student
{
    long num;
    float score;
    struct student *next;
};
int n;
struct student *create(void)
{
    struct student *p1,*p2;
    struct student *head;
    n=0;
    p1=p2=(struct student *)malloc(LEN);
    scanf("%ld%lf",&p1->num,&p1->score);
    head=NULL;
    while(p1->num!=NULL)
    {
        n=n+1;
        if(n==1)
        {
            head=p1;
        }
        else
        {
            p2->next=p1;

        }
        p2=p1;
        p1=(struct student*)malloc(LEN);
        scanf("%ld%lf",&p1->num,&p1->score);
    }
    p2->next=NULL;
    return(head);


}
void print(struct student *head)
{
    struct student *p;
    printf("Now ,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(void)
{
    struct sutdent *head;
    printf("input records:\n");
    head=create();
    print(head);
    return 0;
}    错误如图，不知道怎样改啊，求指教

学习

struct sutdent *head;     应该是student

还有你struct不需要每次都写的

我擦，我就一直感觉那个单词打错了，看了好长时间也没看出来，真是的。。。。。谢谢