C语言版课程设计 学生信息管理系统

＃i nclude<stdio.h>

＃i nclude<string.h>

＃i nclude<stdlib.h>

＃i nclude<malloc.h>

#define LEN sizeof(struct student)

int m;

struct student

{

void print(struct student *head)

{

struct student *p;

printf("Now,There %d records are:",m);

p=head;

if(head!=0)

do

 {

  printf("%ld\t",p->num);

  printf("%s\t",p->name);

  printf("%s\n",p->xueli);

  p=p->next;

  }while(p!=0);

}

void search(struct student *head);

do

{

printf("\t\t*******************************************\n");

printf("\t\t*** Student Information Management System***\n");

printf("\t\t********************************************\n");

printf("\t\t**** choose ********************\n");

printf("\t\t**** 1 新建学生链表******* *************\n");

printf("\t\t**** 2 Modify data **************\n");

printf("\t\t**** 3 Search by people .xueli and num ****\n");

printf("\t\t**** 5 add data ************\n");

printf("\t\t**** 6 Exit *************\n");

printf("\t\t******************************************\n");

printf("\t\t*******************************************\n");

 printf("Error,please input again(1-6):");

 }

  else w=0;

  }while(w==1);

switch(n)

{

 case 1:head=creat();break;