////////////////////////////////////////////////////////////////////功能实现模块//职工信息录入功能－－输入void input(){    int id;    char name[NAME_LEN_MAX];    char department[DEPT_LEN_MAX];    printf("\n************************************************************************");    do {        printf("\nInput new worker's id:");        scanf("%d",&id);        flushall();//清键盘缓存    } while (id < 0);        printf("Input new worker's name:");    gets(name);    printf("Input new worker's department:");    gets(department);        //插入链表    if (data_add(id,name,department) == TRUE) {        printf("\nSuccess!\n");    } else {        printf("\nError!\n");    }    getch();}//职工信息浏览功能－－输出void output(){    int i;    worker_info *result;    printf("\n************************************************************************");    for (i=0; i<length; i++) {        result = data_get(i);        if (result == NULL) {   //出现错误            printf("\nError!\n");            return;        }        if (i%24==0 && i>0) { //24行暂停一次            printf("\nPRESS ANY KEY TO CONTINUE 。
  。。");            getch();        }        printf("\nid: %d  name: %s  department: %s",result->id,result->name,result->department);    }    printf("\nList done!\n");    getch();}//按职工号由小到大的顺序排序void sort(){    printf("\n************************************************************************");    printf("\nSorting。
  。。
   ");    data_sort();    printf("Completed!\n");    getch();}//要求输入一个职工号，查找出该职工的姓名void search() {    int id;    worker_info *result;    printf("\n************************************************************************");    //读入id值    printf("\nInput worker's id for search:");    scanf("%d",&id);    result = data_search(id);    if (result != NULL) {        printf("\nSearch complete!");        printf("\nThe worker's name is: %s\n", result->name)。