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by Dinesh Thakur

 This is C program that asks user to create the bank system criteria through programming. User will use switch statement to create these operation. From this user can select through their choices. User also declares variables for the storing value. User also declares some functions like void creation (), void deposit (), void withdraw (). These function will used during calling operation.

Along with this user also declare structure type variables too. In operation using switch statement user define while condition. Using printing method that will appear on the screen user create a switch statement for the Case operation here user made case for every operation like create, deposit, with draw etc. 


For creating procedure an account in bank system user call the function void create () like this user also call the void deposit () function for depositing the fund here in this procedure user uses the control statement where it will verify the account no if it will be correct the ok otherwise else condition will terminate the condition. As well as void withdraw () for withdrawing the cash here also verification will be take place to check the condition of account viability. The next one is void bal () for balance enquiry too. In the end all the criteria will be on the screen as result.

Problem Statement:
This is c program that will ask user to create a banking system.

  1. Creating functions.
  2. Using switch statements.
  3. Declaring variables.
  4. Using control statements.
  5. Display result on the screen.

Here is C source code for creating the banking system. The output of this program shown below. 

#include<stdio.h>

#include<conio.h>
void creation();
void deposit();
void withdraw();
void bal();
int a=0,i = 101;
struct bank
{
        int no;
        char name[20];
        float bal;
        float dep;
}s[20];
        void main()
       {
                  int ch;
                  while(1)
                        {
                              clrscr();
                              printf("\n*********************");
                              printf("\n BANKING ");
                              printf("\n*********************");
                              printf("\n1-Creation");
                              printf("\n2-Deposit");
                              printf("\n3-Withdraw");
                              printf("\n4-Balance Enquiry");
                              printf("\n5-Exit");
                              printf("\nEnter your choice");
                              scanf("%d",&ch);
                              switch(ch)
                                       {
                                              case 1: creation();
                                                         break;
                                              case 2: deposit();
                                                         break;
                                              case 3: withdraw();
                                                         break;
                                              case 4: bal();
                                                         break;
                                              case 5: exit(0);
                                                         defalut: printf("Enter 1-5 only");
                                                         getch();
                                        }
                         }
        }
             void creation()
        {
                   printf("\n*************************************");
                   printf("\n ACCOUNT CREATION ");
                   printf("\n*************************************");
                   printf("\nYour Account Number is :%d",i);
                              s[a].no = i;
                   printf("\nEnter your Name:");
                              scanf("%s",s[a].name);
                   printf("\nYour Deposit is Minimum Rs.500");
                              s[a].dep=500;
                              a++;
                              i++;
                              getch();
         }
              void deposit()
        {
                   int no,b=0,m=0;
                   float aa;
                   printf("\n*************************************");
                   printf("\n DEPOSIT ");
                   printf("\n*************************************");
                   printf("\nEnter your Account Number");
                   scanf("%d",&no);
                   for(b=0;b<i;b++)
                       {
                           if(s[b].no == no)
                               m = b;
                       }
                           if(s[m].no == no)
                             {
                                        printf("\n Account Number : %d",s[m].no);
                                        printf("\n Name : %s",s[m].name);
                                        printf("\n Deposit : %f",s[m].dep);
                                        printf("\n How Much Deposited Now:");
                                        scanf("%f",&aa);
                                        s[m].dep+=aa;
                                        printf("\nDeposit Amount is :%f",s[m].dep);
                                        getch();
                             }
                            else
                             {
                                       printf("\nACCOUNT NUMBER IS INVALID");
                                       getch();
                              }
         }
             void withdraw()
         {
                    int no,b=0,m=0;
                    float aa;
                    printf("\n*************************************");
                    printf("\n WITHDRAW ");
                    printf("\n*************************************");
                    printf("\nEnter your Account Number");
                    scanf("%d",&no);
                    for(b=0;b<i;b++)
                        {
                               if(s[b].no == no)
                                 m = b;
                        }
                              if(s[m].no == no)
                                 {
                                        printf("\n Account Number : %d",s[m].no);
                                        printf("\n Name : %s",s[m].name);
                                        printf("\n Deposit : %f",s[m].dep);
                                        printf("\n How Much Withdraw Now:");
                                        scanf("%f",&aa);
                                        if(s[m].dep<aa+500)
                                           {
                                                  printf("\nCANNOT WITHDRAW YOUR ACCOUNT HAS MINIMUM BALANCE");
                                                  getch();
                                           }
                                          else
                                           {
                                                  s[m].dep-=aa;
                                                  printf("\nThe Balance Amount is:%f",s[m].dep);
                                            }
                                 }
                               else
                                {
                                      printf("INVALID");
                                      getch();
                                }
                                      getch();
          }
                void bal()
          {
                  int no,b=0,m=0;
                  float aa;
                  printf("\n*************************************");
                  printf("\n BALANCE ENQUIRY ");
                  printf("\n*************************************");
                  printf("\nEnter your Account Number");
                  scanf("%d",&no);
                  for(b=0;b<i;b++)       
                      {
                           if(s[b].no == no)
                             m = b;
                      }
                           if(s[m].no==no)
                              {
                                    printf("\n Account Number : %d",s[m].no);
                                    printf("\n Name : %s",s[m].name);
                                    printf("\n Deposit : %f",s[m].dep);
                                    getch();
                              }
                             else
                             {
                                    printf("INVALID");
                                    getch();
                              }
            }

Bank Operation