#include <stdio.h>
#include <ctype.h>
#define SIZE 81
int main (void)
{
    int i=0,j;//循环变量
    char original[SIZE] ;
    char *p ;
    char ch ;
    printf("Enter a massage :");
    p = original ;
    while((ch = getchar())!='\n')
    {
        
        if(isalpha(ch) != 0)
        {
            ch = tolower(ch);//大写转小写
            *p = ch;
            original[i] = ch;
            i ++ ;
            p++;
        }
        else
            continue;

    }

    for(j=0,p--;p >= &original[0];j++,p--)
    {
        if(original[j] == p )
             continue;
        else
            break ;
    }

   

    if(p<&original[0])
    {
        printf(" Palindrome.\n");   
    }
   
        else
   
            printf(" Not alindrome.\n");
        

    return 0 ;
}


这个代码的编译时通过的，但是判断出来的又问题，所以不知道该怎么修改！

He lived as a devil, eh?  输入句应该打印出 Palindrome.
Madam, i am Adam .        输入句应该打印出NOT Palindrome 。