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8<title>Documenting Apache 2.0 - Apache HTTP Server</title>
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17<p class="menu"><a href="/mod/">Modules</a> | <a href="/mod/directives.html">Directives</a> | <a href="http://wiki.apache.org/httpd/FAQ">FAQ</a> | <a href="/glossary.html">Glossary</a> | <a href="/sitemap.html">Sitemap</a></p>
18<p class="apache">Apache HTTP Server Version 2.2</p>
19<img alt="" src="/images/feather.gif" /></div>
20<div class="up"><a href="./"><img title="&lt;-" alt="&lt;-" src="/images/left.gif" /></a></div>
21<div id="path">
22<a href="http://www.apache.org/">Apache</a> &gt; <a href="http://httpd.apache.org/">HTTP Server</a> &gt; <a href="http://httpd.apache.org/docs/">Documentation</a> &gt; <a href="../">Version 2.2</a> &gt; <a href="./">Developer Documentation</a></div><div id="page-content"><div id="preamble"><h1>Documenting Apache 2.0</h1>
23<div class="toplang">
24<p><span>Available Languages: </span><a href="/en/developer/documenting.html" title="English">&nbsp;en&nbsp;</a> |
25<a href="/zh-cn/developer/documenting.html" hreflang="zh-cn" rel="alternate" title="Simplified Chinese">&nbsp;zh-cn&nbsp;</a></p>
26</div>
27
28    <p>Apache 2.0 uses <a href="http://www.doxygen.org/">Doxygen</a> to
29    document the APIs and global variables in the code. This will explain
30    the basics of how to document using Doxygen.</p>
31</div>
32<div class="top"><a href="#page-header"><img alt="top" src="/images/up.gif" /></a></div>
33<div class="section">
34<h2><a name="brief" id="brief">Brief Description</a></h2>
35    <p>To start a documentation block, use <code>/**</code><br />
36    To end a documentation block, use <code>*/</code></p>
37
38    <p>In the middle of the block, there are multiple tags we can
39    use:</p>
40
41    <div class="example"><p><code>
42      Description of this functions purpose<br />
43      @param parameter_name description<br />
44      @return description<br />
45      @deffunc signature of the function<br />
46    </code></p></div>
47      
48    <p>The <code>deffunc</code> is not always necessary. DoxyGen does not
49    have a full parser  in it, so any prototype that use a macro in the
50    return type declaration is too complex for scandoc. Those functions
51    require a <code>deffunc</code>. An example (using &amp;gt; rather
52    than &gt;):</p>
53
54    <div class="example"><p><code>
55      /**<br />
56 &nbsp;* return the final element of the pathname<br />
57 &nbsp;* @param pathname The path to get the final element of<br />
58 &nbsp;* @return the final element of the path<br />
59 &nbsp;* @tip Examples:<br />
60 &nbsp;* &lt;pre&gt;<br />
61 &nbsp;*                 "/foo/bar/gum"   -&amp;gt; "gum"<br />
62 &nbsp;*                 "/foo/bar/gum/"  -&amp;gt; ""<br />
63 &nbsp;*                 "gum"            -&amp;gt; "gum"<br />
64 &nbsp;*                 "wi\\n32\\stuff" -&amp;gt; "stuff"<br />
65 &nbsp;* &lt;/pre&gt;<br />
66 &nbsp;* @deffunc const char * ap_filename_of_pathname(const char *pathname)<br />
67 &nbsp;*/
68    </code></p></div>
69
70    <p>At the top of the header file, always include:</p>
71    <div class="example"><p><code>
72      /**<br />
73 &nbsp;* @package Name of library header<br />
74 &nbsp;*/
75    </code></p></div>
76
77    <p>Doxygen uses a new HTML file for each package. The HTML files are named
78    {Name_of_library_header}.html, so try to be concise with your names.</p>
79
80    <p>For a further discussion of the possibilities please refer to
81    <a href="http://www.doxygen.org/">the Doxygen site</a>.</p>
82</div></div>
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84<p><span>Available Languages: </span><a href="/en/developer/documenting.html" title="English">&nbsp;en&nbsp;</a> |
85<a href="/zh-cn/developer/documenting.html" hreflang="zh-cn" rel="alternate" title="Simplified Chinese">&nbsp;zh-cn&nbsp;</a></p>
86</div><div class="top"><a href="#page-header"><img src="/images/up.gif" alt="top" /></a></div><div class="section"><h2><a id="comments_section" name="comments_section">Comments</a></h2><div class="warning"><strong>Notice:</strong><br />This is not a Q&amp;A section. Comments placed here should be pointed towards suggestions on improving the documentation or server, and may be removed again by our moderators if they are either implemented or considered invalid/off-topic. Questions on how to manage the Apache HTTP Server should be directed at either our IRC channel, #httpd, on Freenode, or sent to our <a href="http://httpd.apache.org/lists.html">mailing lists</a>.</div>
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