#include<stdio.h>
#include<stdlib.h>
typedef struct Node
{
    int data;
    struct Node *next;
}len;
void creat()
{
    len *head,*p,*s;
    int i, number;
    if ((head = (len*)malloc(sizeof(len))) == NULL)
    {
        printf("error");
        exit(0);
    }

    printf("please input 5 numbers:");
    p = head;
    for (i = 0; i < 4; i++)
    {
        p = (len*)malloc(sizeof(len));
        s = (len*)malloc(sizeof(len));
        scanf_s("%d", &number);
        p->data = number;
        p = p->next;
        printf("The value is:%d",p->data);
    }
    s->next = NULL;
    }
void main()
{
    creat();
}
不知道错在哪里，谢谢

你这个改的没用，我自己找到错误的原因了，谢谢了，而且那个scanf在vs2013版中确实得用scanf_s加边界用的，用scanf是会报错的