#include <stdio.h>
#include <stdlib.h>
#define MAX_NAME 11
#define MAX_DETAIL 21
#define MENU_COUNT 9
#define DATE_FILE "fs.dat"
typedef enum _fi_type
{
    income=1,
    payout=-1
}fi_type;
typedef struct _fi_info
{
    int year;
    int month;
    fi_type type;
    char name[MAX_NAME];
    float money;
    char detail[MAX_DETAIL];
}fi_info;
typedef struct _fi_data
{
    fi_info info;
    struct _fi_data* next;
}fi_data;
fi_data* head;
char menu[]=
"=============================================================\n"
"|家庭财务管理系统                                 |\n"
"|+----------------------------------------------------------+\n"
"|收入管理                                         |\n"
"|    <1>添加收入                                  |\n"
"|    <2>查询收入明细                              |\n"
"|    <3>删除收入                                  |\n"
"|    <4>修改收入                                  |\n"
"|支出管理                                         |\n"
"|    <5>添加支出                                  |\n"
"|    <6>查询支出明细                              |\n"
"|    <7>删除支出                                  |\n"
"|    <8>修改支出                                  |\n"
"|统计                                             |\n"
"|    <9>统计总收入总支出                          |\n"
"|+----------------------------------------------------------+\n"
"|输入<0>退出                                      |\n"
"|+----------------------------------------------------------+\n"
void (*menu_fun[])()=
{
    quit,
    add_income,
    search_income,
    delete_income,
    update_income,
    add_payout,
    search_payout,
    delete_payout,
    update_payout,
    count_total
};
void add_income()
{
    fi_data* p=(fi_data*)malloc(sizeof(fi_data));
    memset(p,0,sizeof(fi_data));
    p->next=NULL;
    input_info(&(p->info));
    p->info.type=income;
    if(head==NULL)
    {
        head=p;
    }
    else
    {
        get_last(head)->next=p;
    }
}
void search_income()
{
    search_data(income);
}
void delete_income()
{
    delete_data(income);
}
void update_income()
{
    update_data(income);
}
void add_payout()
{
    fi_data* p=(fi_data*)malloc(sizeof(fi_data));
    memset(p,0,sizeof(fi_data));
    input_info(&(p->info));
    p->info.type=payout;
    if(head==NULL)
    {
        head=p;
    }
    else
    {
        get_last(head)->next=p;
    }
}
void search_payout()
{
    search_data(payout);
}
void delete_payout()
{
    delete_data(payout);
}
void update_payout()
{
    update_data(payout);
}
void count_total()
{
    float total_income=0.0;
    float total_payout=0.0;
    fi_data* p=head;
    while(p!=NULL)
    {
        if(p->info.type==income)
        {
            total_income+=p->info.money;
        }
        else
        {
            total_payout+=p->info.money;
        }
        p=p->next;
    }
    printf("+----------------------------------------------------+\n");
    printf("| 合计收入 | 合计支出 |   结余   |\n");
    printf("+----------------------------------------------------+\n");
    printf("|%12.2f    |%12.2f    |%12.2f    |\n",total_income,total_payout,total_income-total_payout);
    printf("+----------------------------------------------------+\n");
    printf(">按任意键返回主菜单……");
    fflush(stdin);
    getchar();
}
void quit()
{
    save_to_file();
    clear_data();
    exit(0);
}
int main()
{
    int selected=0;
    initialize();
    while(selected>=0&&selected<=MENU_COUNT)
    {
        system("cls");
        printf(menu);
        printf(">请选择要进行的操作（%d——%d）：",0,MENU_COUNT);
        if(scanf("%d",&selected)!=1||selected<0||selected>MENU_COUNT)
        {
            printf(">输入错误！请选择（%d——%d）之间的数字！按任意键重试……",0,MENU_COUNT);
            fflush(stdin);
            getchar();
        }
        else
        {
            menu_fun[selected]();
        }
        selected=0;
    }
}

运行错误Declaration syntax error
        pointer required on left side of->in function add_income
pointer required on left side of->in function add_payout
undefined symbol'menu_fun'in function main
Invalid indirection in function main
出现这些错我
不懂得怎么修改
请各位指导一下