random access files!

dinamit875 · #1 13-Nov-2008, 04:28

hi there! Im trying to write a program with random access files used in it!I have a structs setted up,what should i do next?

thats is the guidelines to the program:

The system should be set up so as to write to, read from and update records at given locations in a random access file using fixed length records.
It will consist of 2 files: Customer and the Transaction file
The customer information stored should include a customer id, first name, surname and list of accounts.
The accounts may be current accounts or deposit accounts. The current account has no interest rate while a deposit account has an interest rate and the interest is earned at the end of the financial year.
Note there will be a different set of transactions for each account
When a withdrawal or a deposit occurs, a transaction takes place.
Information stored on each transaction includes a transaction id (starts at 1 and increments accordingly), the account number , a transaction date, a description, an amount,
a transaction type( whether W (withdrawal) or D(deposit) ) and a balance.
The transaction type is used to place the amount in the correct column for debits or credits when writing a statement
This assumes there is only one transaction per day.
Making a deposit
The transaction id is set up using the transaction number stored within the account
The transaction type is ‘D’
The description, the amount and the balance are set accordingly
Similarly making a withdrawal
Writing a statement Print a statement for a given month
Write the customers account number, name and address
Print the transactions for this given month
setting out
trans id | trans date | description | credit | debit | balance

CPP / C++ / C Code:

#include <iomanip>
#include <string>
#include <cstring>
#include <stdlib>
#include <stdio.h>
#include <string.h>

using namespace std;

 struct custumer
 {
        int custumerId;
        int accountList;
        string custumerName;
        string custumerSurname;       
        string custumerAddress;
 };
 typedef struct custumer C;
 
 struct accounts
 {
        int accountNumber;
        string accountType;
 };
 typedef struct account A;
 
 struct transaction
 {
        int transactionId;
        int accountNumber;
        float amount;
        float balance;
        string transactionDate;
        string description[35];       
        string transactionType;       
 };
 typedef struct T;

do i have to set up a main(void) menu?Im workin on it,just need some help.,Thanks very much.

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