undeclared identifier in C

Question

I am trying to compile a small bank program in C in visual studio 2012 express. It shows me this error \"undeclared identifier\" for almost all variables and this one too \"synt

Answer 1

try this code:

#include
#include
int main()
{
    printf("Welcome to skybank\n");
    int deposit,withdraw,kbalance;
    char option;
    printf("Press 1 to deposit cash\n");
    printf("Press 2 to Withdraw Cash\n");
    printf("Press 3 to Know Your Balance\n");
    scanf("%c",&option);
    int decash,wicash;
    switch(option)
    {
    int balance;
    printf("Enter your current Balance\n");
    scanf("%d",&balance);
    case 1:
        printf("Enter the amount you want to deposit\n");
        scanf("%d",&decash);
        printf("Thank You\n");
        printf("%d have been deposited in your account\n",decash);
        break;
    case 2:
        printf("Enter the amount you want to withdraw\n");
        scanf("%d",&wicash);
        int wibal;
        wibal=balance-wicash;
        printf("Thank You\n");
        printf("%d have been withdrawed from your account\n",wicash);
        printf("Your balance is %d\n",wibal);
        break;
    case 3:
        printf("Your balance is Rs.%d\n",balance);
        break;
    default:
        printf("Invalid Input\n");
        break;
    }
    getchar();
}