每天一点__C语言链表的创立

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
struct node
{
    char name[20];
    char tel[9];
    struct node *next;
};
   struct node *create()
{
    struct node *head,*p,*q;
    char name[20];
    head=NULL;
    printf("name:");
    gets(name);
    while (strlen(name)!=0)
    {
        p=(struct node *)malloc(sizeof(struct node));//开辟新结点
        if(p==NULL)
        {

            printf("allocation failure
");
            exit(0);

        }
        strcpy(p->name,name);
        printf("tel:");
        gets(p->tel);
        p->next=NULL;
        if(head==NULL)
            head=p;
        else 
            q->next=p;
        q=p;//令p指向新的结点
        printf("name:");
        gets(name);
    }
    return head;

}

void main()
{   
    struct node *head;
    head=create();
    printf("%d
",head);
    
    




}