ATM

gistfile1.c

#include <stdio.h>

void print_options(){
    printf("                         Please choose an option                                \n");
    printf("                        1: Balance Enquiry                                      \n");
    printf("                        2: Withdraw Funds                                       \n");
    printf("                        3: Quit                                                 \n");
}

void print_welcome(){
    printf("--------------------------------------------------------------------------------\n");
    printf("                        Welcome to the ATM system                               \n");
}

void print_balance(int *balance){
    printf("Your balance is: $%d\n", *balance);

}

int withdraw_funds(int *balance){
    int withdrawl = 0 ;
    do {
        if(withdrawl > *balance){
            printf("Insufficent funds\n");
        }
        printf("Your current balance is: $%d\n", *balance);
        printf("Please enter the amount to withdraw:\n$");
        scanf("%d", &withdrawl);
    } while (withdrawl > *balance && balance > 0);
    *balance = *balance - withdrawl;
}

int check_option(){
    int option;
    do {
        printf("Please enter a correct choice\n");
        scanf("%d", &option);

    } while(option < 1 || option > 3);
    return option;
}

int main(){
    int state = 0 ;
    int welcomed = 0;
    int balance = 1000;
    print_welcome();
    do {
        print_options();
        if(welcomed == 0){
            printf("--------------------------------------------------------------------------------\n");
            welcomed = 1;
        }
        int optionSelected = check_option();
//        printf("Option: %d\n", optionSelected);
        if (optionSelected == 1){
            print_balance(&balance);
        }
        if (optionSelected == 2){
            withdraw_funds(&balance);
            printf("Your new balance is: $%d\n\n", balance);
        }
        if (optionSelected == 3){
            state = 1;}
    } while(state == 0);
    return 0;
}