int user_wishes_to_continue(void)
{
	char c;
	do
	{
		printf("Do you wish to continue? (Y/N)");
		scanf("%c", &c);
		clear_keyboard_buffer();
	} while (c != 'y' && c != 'Y' && c != 'n' && c != 'N');

	return (c == 'Y');
}

void clear_keyboard_buffer(void)
{
	char c = 'a';
	while (c != '\n')
	{
		scanf_s("%c", &c);
	}
	return;
}