求大神帮忙看看错误

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <conio.h>
#define N 5
struct user
{
char ID_card[30];
char user_card[10];
char user_level[50];
float add_money; //充值
};
struct LinkList
{
struct user struct_user;
LinkList *pNext;
};
struct control
{
char control_name[20];
char control_password[15];
}control_person={"apollo","apollo"};//管理员账户和密码设置