#include <stdio.h>
void sp_to_dish (const char *str);
void main ()
{
sp_to_dish ("this is an apple");
}
void sp_to_dish (const char *str)
{
while (*str)
{
if (*str == ‘ ‘)
printf ("-");//此处不能用*str = "-",会提示错误const定义变量的值无法更改
else printf ("%c",*str);
str++;
}
printf ("\n");
}原文:http://8102481.blog.51cto.com/8092481/1611604