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	<title>Comments on: C中的宏预处理</title>
	<atom:link href="http://wangcong.org/blog/?feed=rss2&#038;p=559" rel="self" type="application/rss+xml" />
	<link>http://wangcong.org/blog/?p=559</link>
	<description>Stay Hungry, Stay Foolish</description>
	<lastBuildDate>Thu, 02 Sep 2010 16:18:33 +0000</lastBuildDate>
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		<item>
		<title>By: wind</title>
		<link>http://wangcong.org/blog/?p=559&#038;cpage=1#comment-8712</link>
		<dc:creator>wind</dc:creator>
		<pubDate>Tue, 10 Feb 2009 13:14:31 +0000</pubDate>
		<guid isPermaLink="false">http://wangcong.org/blog/?p=559#comment-8712</guid>
		<description>同上</description>
		<content:encoded><![CDATA[<p>同上</p>
]]></content:encoded>
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	<item>
		<title>By: Kermit Mei</title>
		<link>http://wangcong.org/blog/?p=559&#038;cpage=1#comment-8691</link>
		<dc:creator>Kermit Mei</dc:creator>
		<pubDate>Mon, 09 Feb 2009 13:54:30 +0000</pubDate>
		<guid isPermaLink="false">http://wangcong.org/blog/?p=559#comment-8691</guid>
		<description>我一直觉得宏是C里面最让人感到混乱的地方，关注中……</description>
		<content:encoded><![CDATA[<p>我一直觉得宏是C里面最让人感到混乱的地方，关注中……</p>
]]></content:encoded>
	</item>
	<item>
		<title>By: Amankwah</title>
		<link>http://wangcong.org/blog/?p=559&#038;cpage=1#comment-8686</link>
		<dc:creator>Amankwah</dc:creator>
		<pubDate>Mon, 09 Feb 2009 13:24:02 +0000</pubDate>
		<guid isPermaLink="false">http://wangcong.org/blog/?p=559#comment-8686</guid>
		<description>关注中……发现很多东西没有细想过啊～还需要多想啊～</description>
		<content:encoded><![CDATA[<p>关注中……发现很多东西没有细想过啊～还需要多想啊～</p>
]]></content:encoded>
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	<item>
		<title>By: cocobear</title>
		<link>http://wangcong.org/blog/?p=559&#038;cpage=1#comment-8666</link>
		<dc:creator>cocobear</dc:creator>
		<pubDate>Mon, 09 Feb 2009 01:59:02 +0000</pubDate>
		<guid isPermaLink="false">http://wangcong.org/blog/?p=559#comment-8666</guid>
		<description>#define f(a,b) a##b
#define g(a)   #a
#define h(a) g(a)

#include 

int main(void)
{
    printf(&quot;%s\n&quot;,h(f(1,2)));
    printf(&quot;%s\n&quot;,g(f(1,2)));
    return 0;
}

写成完整的例子，方便理解，呵呵。</description>
		<content:encoded><![CDATA[<p>#define f(a,b) a##b<br />
#define g(a)   #a<br />
#define h(a) g(a)</p>
<p>#include </p>
<p>int main(void)<br />
{<br />
    printf(&#8220;%s\n&#8221;,h(f(1,2)));<br />
    printf(&#8220;%s\n&#8221;,g(f(1,2)));<br />
    return 0;<br />
}</p>
<p>写成完整的例子，方便理解，呵呵。</p>
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