do {

        //Prints the meny
        printf("1. Set exchange rate in SEK (current rate: %.2f)\n", exchangeRate);
        printf("2. Read prices in the foreign currency\n");
        printf("3. End\n\n");


        printf("Give your choice (1 - 3): ");
        scanf("%hd", &choice);
        printf("\n");

        switch(choice) {

            case 1 :

                break;

            case 2 : ;
                //Counts the total forign sum given until the price is negative

                break;

            case 3 :
                printf("End of program!\n\n");
                break;

            default :
                //If a non valid number is given

                break;
        }
    } while (choice != 3);