C++/ C 포인터 질문 좀요

 

 

#include <iostream>

using namespace std;

int count;

 

typedef struct _BankBook{

int ID;

char *name;

int money;

}BankBook;

 

void Deposit(BankBook **p){

int id, amount;

cout<<"[입\t금]"<<endl;

cout<< "계좌 아이디:";

cin >>id;

cout << " 입금 액";

cin  >>amount;

 

p[id]->money+=amount;

cout<<"입금 완료" <<endl;

}

void Withdraw(BankBook **p){

int id, amount;

cout<<"[출\t금]"<<endl;

cout<< "계좌 아이디:";

cin >>id;

cout << " 출금 액";

cin  >>amount;

 

p[id]->money+=amount;

cout<<"출금 완료" <<endl;

}

 

BankBook* Open(){

BankBook *p=new BankBook;

cout<< "NAME:";

cin >> p->name;

p-> money=0;

p->ID = ::count;

return p;

}

 

void Info(){

 

 

}

 

 

int Menu(){

int choice;

cout<<"-----------"<<endl;

cout<<"1. 입금\n2. 출금\n3. 계좌정보 출력\n4. 종료\n 5. 계좌개설"<<endl;

cin >> "선택" >>choice;

return choice;

}

 

 

int main()

{

BankBook * p=NULL;

BankBook *arr=new BankBook[10]; //arr 타입 포인터 배열.

 

int choice=Menu();

 

switch(choice){

case 1:

Deposit(arr);

break;

case 2:

Withdraw(arr);

break;

case 3:

Info(arr);

break;

case 4:

return 0;

case 5:

p=Open();

arr[::count++]= p;

break;

 

}

}