Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Implement in C Programming

7.9.1: LAB: BankAccount struct

Given main(), build a struct called BankAccount that manages checking and savings accounts. The struct has three data members: a customer name (string), the customer's savings account balance (double), and the customer's checking account balance (double). Assume customer name has a maximum length of 20.

Implement the BankAccount struct and related function declarations in BankAccount.h, and implement the related function definitions in BankAccount.c as listed below:

  • BankAccount InitBankAccount(char* newName, double amt1, double amt2) - set the customer name to parameter newName, set the checking account balance to parameter amt1 and set the savings account balance to parameter amt2. (amt stands for amount)
  • BankAccount SetName(char* newName, BankAccount account) - set the customer name
  • void GetName(char* customerName, BankAccount account) - return the customer name in customerName
  • BankAccount SetChecking(double amt, BankAccount account) - set the checking account balance to parameter amt
  • double GetChecking(BankAccount account) - return the checking account balance
  • BankAccount SetSavings(double amt, BankAccount account) - set the savings account balance to parameter amt
  • double GetSavings(BankAccount account) - return the savings account balance
  • BankAccount DepositChecking(double amt, BankAccount account) - add parameter amt to the checking account balance (only if positive)
  • BankAccount DepositSavings(double amt, BankAccount account) - add parameter amt to the savings account balance (only if positive)
  • BankAccount WithdrawChecking(double amt, BankAccount account) - subtract parameter amt from the checking account balance (only if positive)
  • BankAccount WithdrawSavings(double amt, BankAccount account) - subtract parameter amt from the savings account balance (only if positive)
  • BankAccount TransferToSavings(double amt, BankAccount account) - subtract parameter amt from the checking account balance and add to the savings account balance (only if positive)

BankAccount.h

/* TODO: Type your header file guards and include directives here. */


/* Type your code here. */

BankAccount.c

/* TODO: Type your header file guards and include directives here. */


/* Type your code here. */

main.c

#include <stdio.h>
#include <string.h>

#include "BankAccount.h"

int main() {
   BankAccount account = InitBankAccount("Mickey", 500.00, 1000.00);
   char name[20];
   
   account = SetChecking(500, account);
   account = SetSavings(500, account);
   account = WithdrawSavings(100, account);
   account = WithdrawChecking(100, account);
   account = TransferToSavings(300, account);
   
   GetName(name, account);
   printf("%s\n", name);
   printf("$%.2f\n", GetChecking(account));
   printf("$%.2f\n", GetSavings(account));

   return 0;
}

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