程序代码：

void chaxun_y()
{
    int i;
    char ch[2]; 
    char num[50], name[50], sex[50], type[50], state[50], tel[50];
    FILE * fp;
    system("cls");
    if ((fp = fopen("zengjia_y.txt", "r")) == NULL)
    {
        printf("File open error!\n");
        exit(0);
    }
    printf("%s\t%s\t%s\t%s\t%s\t%s", num, name, sex, type, state, tel);
    printf("\t\t\t\t\t按任意键返回");
    getch();          //按任意键返回
    yuangong();
    if (fclose(fp))
    {
        printf("Can not close the file!\n");
        exit(0);
    }

}