#include
int main(void)
{
char str1 [] = "gawsie";
char *ps;
for (ps = str1; *ps != '\0'; ps++)
{
if (*ps =='a' || *ps == 'e')
putchar(*ps);
else
(*ps)--;
putchar(*ps); //为什么输出是 faavrhee
}
getchar();
return 0;