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<title>Predefined Constants</title>
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<h1>Predefined Constants</h1>
<p class="para">
Most of the id3 functions either let you specify
or return a tag version. In order to specify the version
please use on of these constants.
</p>
<p class="para">
<dl>
<dt id="constant.id3-v1-0">
<span class="term">
<strong><code>ID3_V1_0</code></strong>
(<span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>)
</span>
<dd>
<span class="simpara">
<strong><code>ID3_V1_0</code></strong> is used if you are working with
ID3 V1.0 tags. These tags may contain the fields title, artist,
album, genre, year and comment.
</span>
</dd>
</dt>
<dt id="constant.id3-v1-1">
<span class="term">
<strong><code>ID3_V1_1</code></strong>
(<span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>)
</span>
<dd>
<span class="simpara">
<strong><code>ID3_V1_1</code></strong> is used if you are working with
ID3 V1.1 tags. These tags may all information contained in v1.0
tags plus the track number.
</span>
</dd>
</dt>
<dt id="constant.id3-v2-1">
<span class="term">
<strong><code>ID3_V2_1</code></strong>
(<span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>)
</span>
<dd>
<span class="simpara">
<strong><code>ID3_V2_1</code></strong> is used if you are working with
ID3 V2.1 tags.
</span>
</dd>
</dt>
<dt id="constant.id3-v2-2">
<span class="term">
<strong><code>ID3_V2_2</code></strong>
(<span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>)
</span>
<dd>
<span class="simpara">
<strong><code>ID3_V2_2</code></strong> is used if you are working with
ID3 V2.2 tags.
</span>
</dd>
</dt>
<dt id="constant.id3-v2-3">
<span class="term">
<strong><code>ID3_V2_3</code></strong>
(<span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>)
</span>
<dd>
<span class="simpara">
<strong><code>ID3_V2_3</code></strong> is used if you are working with
ID3 V2.3 tags.
</span>
</dd>
</dt>
<dt id="constant.id3-v2-4">
<span class="term">
<strong><code>ID3_V2_4</code></strong>
(<span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>)
</span>
<dd>
<span class="simpara">
<strong><code>ID3_V2_4</code></strong> is used if you are working with
ID3 V2.4 tags.
</span>
</dd>
</dt>
<dt id="constant.id3-best">
<span class="term">
<strong><code>ID3_BEST</code></strong>
(<span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>)
</span>
<dd>
<span class="simpara">
<strong><code>ID3_BEST</code></strong> is used if would like to let the id3 functions
determine which tag version should be used.
</span>
</dd>
</dt>
</dl>
</p>
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