存放个人信息到在结构体中 利用姓名查找他的其他信息

#include <stdio.h>
#include <stdlib.h> 
#include <string.h>
#define NUM 4

struct chain
{
    char name[20];
    char city[20];
    char sex[10];
    char age[10];
    char job[10];
    struct chain *next;
};

struct chain *create();
struct chain *SequelSeach(head, name);
void print_data(point);

struct chain Datas[NUM] =
{
    "Sun", "Weifang", "Male", "24", "student", NULL,
    "Tom", "Beijing", "Male", "31", "doctor", NULL,
    "Marry", "Shanghai", "Female", "19", "techer", NULL,
    "Willing", "Tianjing", "Female", "21", "worker", NULL
};

int main()
{
    struct chain *head;
    struct chain *p;
    char name[30];
    head = create();
    printf("请输入要查找的人名
");
    scanf("%s", name);
    p = SequelSeach(head, name);
    print_data(p);
    return 0;
}

struct chain *create()
{
    struct chain *head, *tail, *p;
    int i;
    head = tail = NULL;
    printf("将名单数据输入到链表中:
");
    for (i = 0; i < NUM; i++)
    {
        p = (struct chain *)malloc(sizeof (struct chain));
        strcpy(p->name, Datas[i].name);
        strcpy(p->city, Datas[i].city);
        strcpy(p->sex, Datas[i].sex);
        strcpy(p->age, Datas[i].age);
        strcpy(p->job, Datas[i].job);
        p->next = NULL;
        if (head == NULL)
            head = tail = p;
        else
            tail = tail->next;
        tail->next = p;
    }
    return head;
}

struct chain *SequelSeach(head, name)
struct chain *head;
char name[];
{
    struct chain *temp;
    temp = head;
    for (temp = head; temp != NULL;)
    {
        if (strcmp(temp->name, name) == 0)
            break;
        else
            temp = temp->next;
    }
    if (temp == NULL)
        printf("没有查找到该人资料
");
    return temp;
}

void print_data(point)
struct chain *point;
{
    if (point == NULL)
        return;
    printf("查找结果：
");
    printf("    姓名：%s
", point->name);
    printf("    城市：%s
", point->city);
    printf("    性别：%s
", point->sex);
    printf("    年龄：%s
", point->age);
    printf("    工作：%s
", point->job);
}