判断一个字符串是不是回文

int IsReverseStr(char *aStr)
{
int i,j;
int found=1;
if(aStr==NULL)
return -1;
j=strlen(aStr);
for(i=0;i if(*(aStr+i)!=*(aStr+j-i-1))
{
found=0;
break;
}
return found;
}