•        C Program to Display the ATM Transaction

This C Program performs ATM transaction. The types of ATM transaction are:

1. Balance checking
2. Cash withdrawal
3. Cash deposition

You can opt any of the above transaction according to your need of transaction.

Here is source code of the C Program to display the ATM transaction. The C program is successfully compiled and run on a Linux system. The program output is also shown below.

/*

 * C Program to Display the ATM Transaction

 */

#include <stdio.h>

unsignedlong amount=1000, deposit,withdraw;

int choice, pin, k;

char transaction ='y';

void main()

{

                   while(pin !=1520)

                   {

                                      printf("ENTER YOUR SECRET PIN NUMBER:");

                                      scanf("%d",&pin);

                                      if(pin !=1520)

                                      printf("PLEASE ENTER VALID PASSWORD\n");

                   }

                   do

                   {

                                      printf("********Welcome to ATM Service**************\n");

                                      printf("1. Check Balance\n");

                                      printf("2. Withdraw Cash\n");

                                      printf("3. Deposit Cash\n");

                                      printf("4. Quit\n");

                                      printf("******************?**************************?*\n\n");

                                      printf("Enter your choice: ");

                                      scanf("%d",&choice);

                                      switch(choice)

                                      {

                                      case1:

                                                         printf("\n YOUR BALANCE IN Rs : %lu ", amount);

                                                         break;

                                      case2:

                                                         printf("\n ENTER THE AMOUNT TO WITHDRAW: ");

                                                         scanf("%lu",&withdraw);

                                                         if(withdraw %100!=0)

                                                         {

                                                                            printf("\n PLEASE ENTER THE AMOUNT IN MULTIPLES OF 100");

                                                         }

                                                         elseif(withdraw >(amount -500))

                                                         {

                                                                            printf("\n INSUFFICENT BALANCE");

                                                         }

                                                         else

                                                         {

                                                                            amount= amount - withdraw;

                                                                            printf("\n\n PLEASE COLLECT CASH");

                                                                            printf("\n YOUR CURRENT BALANCE IS%lu", amount);

                                                         }

                                                         break;

                                      case3:

                                                         printf("\n ENTER THE AMOUNT TO DEPOSIT");

                                                         scanf("%lu",&deposit);

amount= amount + deposit;

                                                         printf("YOUR BALANCE IS %lu", amount);

                                                         break;

                                      case4:

                                                         printf("\n THANK U USING ATM");

                                                         break;

                                      default:

                                                         printf("\n INVALID CHOICE");

                                      }

                                      printf("\n\n\n DO U WISH TO HAVE ANOTHER TRANSCATION?(y/n): \n");

                                      fflush(stdin);

                                      scanf("%c",&transaction);

                                      if(transaction =='n'|| transaction =='N')

                    k =1;

                   }while(!k);

                   printf("\n\n THANKS FOR USING OUT ATM SERVICE");

}

Output:

$ cc pgm33.c

$ a.out

ENTER YOUR SECRET PIN NUMBER:1520

********Welcome to ATM Service**************

1. Check Balance

2. Withdraw Cash

3. Deposit Cash

4. Quit

******************?**************************?*

Enter your choice: 1

YOUR BALANCE IN Rs :1000

DO U WISH TO HAVE ANOTHER TRANSCATION?(y/n):

********Welcome to ATM Service**************

1. Check Balance

2. Withdraw Cash

3. Deposit Cash

4. Quit

******************?**************************?*

Enter your choice: 2

ENTER THE AMOUNT TO WITHDRAW: 200

PLEASE COLLECT CASH

YOUR CURRENT BALANCE IS800

DO U WISH TO HAVE ANOTHER TRANSCATION?(y/n):

********Welcome to ATM Service**************

1. Check Balance

2. Withdraw Cash

3. Deposit Cash

4. Quit

******************?**************************?*

Enter your choice: 3

ENTER THE AMOUNT TO DEPOSIT5000

YOUR BALANCE IS 5800

DO U WISH TO HAVE ANOTHER TRANSCATION?(y/n):

********Welcome to ATM Service**************

1. Check Balance

2. Withdraw Cash

3. Deposit Cash

4. Quit

******************?**************************?*

Enter your choice: 1

YOUR BALANCE IN Rs :5800

DO U WISH TO HAVE ANOTHER TRANSCATION?(y/n):

********Welcome to ATM Service**************

1. Check Balance

2. Withdraw Cash

3. Deposit Cash

4. Quit

******************?**************************?*

Enter your choice: 4

THANK U USING ATM

DO U WISH TO HAVE ANOTHER TRANSCATION?(y/n):

********Welcome to ATM Service**************

1. Check Balance

2. Withdraw Cash

3. Deposit Cash

4. Quit

******************?**************************?*

Enter your choice: 4

THANK U USING ATM

DO U WISH TO HAVE ANOTHER TRANSCATION?(y/n):

********Welcome to ATM Service**************

1. Check Balance

2. Withdraw Cash

3. Deposit Cash

4. Quit

******************?**************************?*

Enter your choice: n

THANK U USING ATM

DO U WISH TO HAVE ANOTHER TRANSCATION?(y/n):

THANKS FOR USING OUT ATM SERVICE.

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