<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[Roxanne0521的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/Roxanne0521</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; Roxanne0521]]></copyright><item><title><![CDATA[栈的动态分配alloca]]></title><link>https://blog.youkuaiyun.com/Roxanne0521/article/details/122364502</link><guid>https://blog.youkuaiyun.com/Roxanne0521/article/details/122364502</guid><author>Roxanne0521</author><pubDate>Fri, 07 Jan 2022 14:56:54 +0800</pubDate><description><![CDATA[C提供了在栈中动态分配内存的函数alloca，用法和malloc一样，但不用free，因为他是在栈中分配空间，超出定义域后自动释放:

int lenght = 10;

char* str = (char*)alloca(length * sizeof(char));
]]></description><category></category></item></channel></rss>