想输入一个字符A，A必须是a~e字母才能符合要求，这样写对吗？

            while(1)
                        {           
                            scanf("%c",&A);                              
                            if(A > 'e'|| A < 'a')
                            {
                            printf("输入错误重新输入:");
                            continue while;   
                            }
                            else
                            {
                            return A;           
                            }
                        }