c program for ATM

Code:

#include<stdio.h>
#include<conio.h>
#include<stdlib.h>

void main()
{

char name[25]= { 'p','a','n','k','a','j' };
int pin, temp_pin;
int ch;
float bal_amount, withd_amount;




	printf("Welcome to SBI ATM\n");
	printf("------------------\n\n\n");
	printf("HELLO : %s\n\n\n",name);
	printf("\t\tMain Menu \n\n\n");
	printf("1. Withdrawl\t\t");
	printf("2. Change Pin\n");
	printf("3. Balance Enquiry\t");
	printf("4. Exit\n\n\n");
	printf("Please Enter Your Pin\n");
	scanf("%d",&temp_pin);
	printf("\n\n\n");
	printf("Enter your choice");
	scanf("%d",&ch);
	if(temp_pin==pin)
	{
		switch(ch)
			case 1: printf("enter amount\n");
					if(withd_amount<=bal_amount)
					{
						bal_amount=bal_amount-withd_amount;
					printf("Your balance amount is Rs. %f",bal_amount);
					}
					else
					{
					printf("insufficient balance in account\n");
					}
					break;
			case 2: printf("please enter old pin\n");
					scanf("%d",temp_pin);
					if(temp_pin==pin)
					{
						printf("enter new pin\n");
						scanf("%d",temp_pin);
						pin=temp_pin;
						printf("pin changed successfully\n");
					}
					else
					{
						printf("please enter correct pin\n");
					}
		
					break;
			case 3: printf("total amount in your account is Rs. %f\n"bal_amount);
					break;
			case 4: printf("thank you for visiting us \n come again\n");
					break;

			case default:
				printf("please enter correct choice\n");
		

	}
	else
		printf("enter the correct pin\n");



getch();


}