手机的通讯簿中有5个人的信息，每个人的信息由位置号、姓名和电话号码3部分组成，编写程序输入不再联系的人员姓名，删除该人的信息。

删除就是删除  还能有啥意思

#include<stdio.h>
#include<malloc.h>
#define LEN sizeof(struct student)
struct student
{
char num[6];
char name[8];
int pnumber;
struct student *next;
}stu[10];
int main()
{
    struct student *p,*pt,*head;
    int i,length,flag=1;
    int find=0;
    char phonever;
    while(flag==1)
    {
        printf("input length of list(<10):");
        scanf("%d",&length);
        if(length<10)
            flag=0;
    }
    for(i=0;i<length;i++)
    {
        p=(struct student * ) malloc(LEN);
        if(i==0)
            head=pt=p;
        else
            pt->next=p;
        pt=p;
        printf("No.:");
        scanf("%s",p->num);
        printf("name:");
        scanf("%s",p->name);
        printf("pnumber:");
        scanf("%d",&p->pnumber);
    }
    p->next=NULL;
    p=head;
    printf("n No.  name   pnumbern");
    while(p!=NULL)
    {
        printf("%4s%8s%6dn",p->num,p->name,p->pnumber);
        p=p->next;
    }
    printf("input name:");
    scanf("%d",&phonever);
    pt=head;
    p=pt;
    if(strcmp(pt->name,phonever)==0)
    {
        p=pt->next;
        head=pt=p;
        find=1;
    }
    else
        pt=pt->next;
    while(pt!=NULL)
    {
        if(strcmp(pt->name,phonever)==0)
        {
            p->next=pt->next;
            find=1;
        }
        else
            p=pt;
        pt=pt->next;
    }
    if(!find)
        printf("not found %d.",phonever);
        p=head;
        printf("n No.  name   pnumbern");
    while(p!=NULL)
    {
        printf("%4s%8s",p->num,p->name);
        printf("%6dn",p->pnumber);
        p=p->next;
    }
}
在输入不再联系人姓名时崩溃