应用实例

int main()
{
	char password[20] = { 0 };
	printf("输入密码：>");
	scanf("%s", password);
	printf("请确认输入密码(Y/N):>");
	//清理缓存区
	int tmp = 0;
	while ((tmp = getchar()) != '\n')
	{
		;
	}
	int ch = getchar();
	if (ch == 'Y')
	{
		printf("确认成功\n");

	}
	else
	{
		printf("输出失败\n");
	}
	return 0;
}