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<title>libvorbis - function - vorbis_comment_query</title>
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<td><p class=tiny>libvorbis documentation</p></td>
<td align=right><p class=tiny>libvorbis version 1.3.2 - 20101101</p></td>
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<h1>vorbis_comment_query</h1>
<p><i>declared in "vorbis/codec.h";</i></p>
<p>This function retrieves a comment string for a given tag in a
<a href="vorbis_comment.html">vorbis_comment</a> structure.</p>
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<pre><b>
extern char *vorbis_comment_query(vorbis_comment *vc, const char *tag, int count);
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<h3>Parameters</h3>
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<dt><i>vc</i></dt>
<dd>Pointer to the vorbis_comment structure.</dd>
<dt><i>tag</i></dt>
<dd>Pointer to a null-terminated string of the comment tag to look
for. Tags are compared case-insensitively.</dd>
<dt><i>count</i></dt>
<dd>The index of the comment string to retrieve. A value of 0 indicates
the first comment whose tag matches <i>tag</i>. Use
<a href="vorbis_comment_query_count.html">vorbis_comment_query_count</a>
to determine the number of matching comments.</dd>
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<h3>Return Values</h3>
<blockquote>
<li>A pointer to the comment string. The underlying buffer is owned by
the vorbis_comment structure.</li>
<li>NULL on a nonexistent tag or if <i>count</i> is greater than or
equal to the number of matching comments.</li>
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<td><p class=tiny>copyright © 2010 Xiph.Org</p></td>
<td align=right><p class=tiny><a href="http://www.xiph.org/ogg/vorbis/index.html">Ogg Vorbis</a></p></td>
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<td><p class=tiny>libvorbis documentation</p></td>
<td align=right><p class=tiny>libvorbis version 1.3.2 - 20101101</p></td>
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