void put1(const char *); //const在这里属于一个加强的作用
int put2(const char *);
int main (void)
{
put1("If I'd as much money");
put1("as I could spend\n");
printf ("I count %d characters.\n",
put2("I never would cry old chairs to mend")); //得到的结果按照输出顺序,先输出里面的字母,在输出个数