<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[DSY123DSY的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/DSY123DSY</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; DSY123DSY]]></copyright><item><title><![CDATA[2021-09-09]]></title><link>https://blog.youkuaiyun.com/DSY123DSY/article/details/120418447</link><guid>https://blog.youkuaiyun.com/DSY123DSY/article/details/120418447</guid><author>DSY123DSY</author><pubDate>Wed, 22 Sep 2021 17:01:00 +0800</pubDate><description><![CDATA[指针常量和常量指针
typedef char *ptr;
int main()
{
//指针常量
const ptr p = nullptr;
p =0;
*p = 9;
//指针常量
char *const t = nullptr;
t = 0;
*t = 9;

//常量指针
const char *q = nullptr;
q =0 ;
*q =9;

}
编译结果：
In function ‘int main()’:
10:9: error: assignment of read-only vari]]></description><category></category></item></channel></rss>