通讯录（建在堆里面）

#ifndef __AddressBook_H__
#define __AddressBook_H__

#define FALSE 0
#define TRUE  1


typedef struct data
{
    int id;
    char name[20];
    int num;
    char addr[20];
    int cnum;
}Data;

typedef Data LinkData;

typedef struct _node
{
    LinkData data;
    struct _node * next;
}Node;


//管理主界面
void AddressBook(Node* h);

//数据插入结构体，再传给链表；
void Insert(Node *h);

//排序
void rank(Node* h);


//展示
void Display(Node* h);

//查找
int Search(Node* h);

//删除好友
int Distroy(Node* h);

int Get_Len(Node *h);

// 创建链表
Node * Create_List();

// 头插
int Insert_Head(Node *h, LinkData data);

//尾插
int Insert_Last(Node *h, LinkData data);
#endif 
------------------------------------------------------
#include "AddressBook.h"
#include <stdio.h>
#include <stdlib.h>






//主界面
void AddressBook(Node *h)
{
    int a;
    //system("cls");
    //system("color f4");
    
    printf("    |--------------------------------------------------|\n");
    printf("    |                                                  |\n");
    printf("    |-----------------------AddressBook----------------|\n");
    printf("    |                                                  |\n");
    printf("    |==================================================|\n");
    printf("    |                                                  |\n");
    printf("    |---------------------1、添加好友列表--------------|\n");
    printf("    |                                                  |\n");
    printf("    |---------------------2、列表好友信息--------------|\n");
    printf("    |                                                  |\n");
    printf("    |---------------------3、搜索好友------------------|\n");
    printf("    |                                                  |\n");
    printf("    |---------------------4、删除好友------------------|\n");
    printf("    |                                                  |\n");
    printf("    |---------------------0、退出操作------------------|\n");
    printf("    |                                                  |\n");
    printf("    |==================================================|\n");
    while(1)
    {    
        printf("请输入需要的功能\n",a);
        scanf("%d",&a);

        switch(a)
        {
            case 0:
            break;
        
            case 1:
            Insert(h);
            Insert(h);
            break;
            
            case 2:
            Display(h);
            break;
            
            case 3:
            Search(h);
            break;
            
            case 4:
            Distroy(h);
            break;
        }
        int i;
        printf("输入数字1退出,其它数字继续操作:\n");
        scanf("%d",&i);
        if(i == 1)
            break;
    
    }
}


//创建表；
Node * Create_List()
{
    Node *list = (Node*)malloc(sizeof(Node)/sizeof(char));
    if (list == NULL)
        return NULL;
    
    list->next = NULL;   // 空表
    
    return list;
}

#if 0
void Insert(Node *h)
{
    Node *node = Create_List();
    
    printf("输入ID：\n");
    scanf("%d",&node->data.id);
    
    printf("输入姓名：\n");
    scanf("%s",node->data.name);
    
    printf("输入号码:\n");
    scanf("%d\n",&node->data.num);
    
    printf("输入地址：\n");
    scanf("%s",node->data.addr);
    
    printf("输入公司电话：\n");
    scanf("%d",&node->data.cnum);
    
    Insert_Last(h, node->data);
    
    free(node);
}

#endif
void Insert(Node *h)
{
    Node * node = Create_List();
    
    printf("请输入ID：\n");
    scanf("%d",&node->data.id);
    printf("请输入姓名：\n");
    scanf("%s",node->data.name);
    printf("请输入手机号码：\n");
    scanf("%d",&node->data.num);
    printf("请输入地址：\n");
    scanf("%s",node->data.addr);
//    printf("输入公司电话：\n");
//    scanf("%d",node->data.cnum);
//起初输入三个之后崩溃，重新copy了一份？输入五个会有段错误
  
    Insert_Last(h, node->data);

    free(node);
    
}

//链表长度；
int Get_Len(Node *h)
{
    if(h == NULL)
        return 0;
    
    Node* tmp = h;
    int count = 0;
    while(tmp->next)
    {
        count++;
        tmp = tmp->next;
    }
    
    return count;
    
}

//排序
void rank(Node* h)
{
    int res = Get_Len(h);
    
    Node* tmp = h->next;
    int i;
    while(res-1)
    {
        tmp=h->next;
        for(i = 0;i < res-1;i++)
        {
            if(tmp->data.id > tmp->next->data.id)
            {
                LinkData k = tmp->data;
                tmp->data = tmp->next->data;
                tmp->next->data = k;
            }
            tmp = tmp->next;
        }
        res--;
    }
}

//展示
void Display(Node* h)
{
    if (h == NULL)
        return;
    
    rank(h);
    
    int count = 0;
    Node *tmp = h->next;
    while (tmp)
    {
        if (count++ % 4 == 0)
            printf ("\n");
        printf ("%8d", tmp->data.id);
        printf ("%8s", tmp->data.name);
        printf ("%8d", tmp->data.num);
        printf ("%8s", tmp->data.addr);
        printf("\n");
        tmp = tmp->next;
    }
    printf ("\n");
}
#if 0
//查找
int Search(Node* h)
{
    int pos;
    printf("输入pos:\n");
    scanf("%d",&pos);
    if(h == NULL||pos < 1)
        return FALSE;
    
    int i;
    Node* tmp = h;
    for(i = 0;i < pos;i++)
    {
        if(tmp == NULL)
            break;
        tmp = tmp->next;
    }
    
    if(tmp == NULL)
        return FALSE;
    else 
        printf ("%8d", tmp->data.id);
        printf ("%8s", tmp->data.name);
        printf ("%8d", tmp->data.num);
        printf ("%8s", tmp->data.addr);
        printf("\n");
}

#endif

int Search(Node* h)
{
    if(h == NULL)
        return FALSE;
    Node* tmp = h->next;
    
    int i;
    printf("输入要查找的id号：");
    scanf("%d",&i);
    while(tmp)
    {
        if(tmp->data.id == i)
        {
            printf ("%8d", tmp->data.id);
            printf ("%8s", tmp->data.name);
            printf ("%8d", tmp->data.num);
            printf ("%8s", tmp->data.addr);
            printf("\n");
            break;
        }
        tmp = tmp->next;
    }    
    
}




//删除好友
int Distroy(Node* h)
{
    char name[20]; 
    printf("请输入名字：");
    scanf("%s",name);
    if(h == NULL)
        return 0;
    Node* tmp = h;
    
    int count = 0;
    while(tmp->next)
    {
        if(strcmp(tmp->next->data.name,name) == 0)
        {
            count++;
            printf ("%8d", tmp->data.id);
            printf ("%8s", tmp->data.name);
            printf ("%8d", tmp->data.num);
            printf ("%8s", tmp->data.addr);
            printf("\n");
        }
        tmp = tmp->next;
    }
    
    if(count == 0)
    {
        printf("");
        return FALSE;
    }
    
    else if(count == 1)
    {
        tmp = h;
            
        while(tmp->next)
        {
            if(strcmp(tmp->next->data.name,name) == 0)
                break;
            tmp = tmp->next;
        }
        if(tmp->next == NULL)
            return FALSE;
        //删除操作
        Node* p = tmp->next;
        tmp->next = p->next;
        free(p);
        p = NULL;
    }
    
    else
    {
        int id;
        printf("有同名，请输入id删除：");
        scanf("%d",&id);
        tmp = h;
            
        while(tmp->next)
        {
            if(strcmp(tmp->next->data.name,name) == 0 && tmp->next->data.id == id)
                break;
            tmp = tmp->next;
        }
        if(tmp->next == NULL)
            return FALSE;
        //删除操作
        Node* p = tmp->next;
        tmp->next = p->next;
        free(p);
        p = NULL;
    }
    
    return TRUE;
}




int Insert_Head(Node *h, LinkData data)
{
    if (h == NULL)
        return FALSE;
    Node *node = (Node*)malloc(sizeof(Node)/sizeof(char));
    if (node == NULL)
    {
        return FALSE;
    }
    
    node->data = data;
    node->next = h->next;
    
    h->next = node;
    
    return TRUE;
}



//尾部插入
int Insert_Last(Node *h, LinkData data)
{
    if(h == NULL)
        return FALSE;
    
    Node *node = (Node*)malloc(sizeof(Node)/sizeof(char));
    if(node == NULL)
        return FALSE;
    
    node->data = data;
    node->next = NULL;
    
    Node* tmp = h;
    while(tmp->next)
    {
        tmp = tmp->next;
    }
    tmp->next = node;     //三句话 node->date=date,node->next=NULL,tmp_last->next=node;
    
    return TRUE;
    
    
}

--------------------------------------------------------------------
#include "AddressBook.h"
#include <stdio.h>

int main()
{
    Node *head = Create_List();//head指向创建的空表；
    if(head == NULL)
    {
        printf("创建链表失败\n");
        return -1;
    }
    
    
    AddressBook(head);
    
    
    
    return 0;
}