int reprintfstr ( char *ch, int n)
{
if (NULL == ch || n < 1)
{
printf("The parameter passing is wrong!/n");
return 1;
}
char *pch;
pch = ch + n;
if(NULL == pch)
{
printf("n value is too big!/n");
return 1;
}
int i;
i = 0;
for (i = 0; i < n; i++ )
{
printf("%c", pch-i);
}
return 0
}