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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<a href="#gmime-gmime-charset.synopsis" class="shortcut">Top</a>
|
<a href="#gmime-gmime-charset.description" class="shortcut">Description</a>
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<div class="refentry">
<a name="gmime-gmime-charset"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="gmime-gmime-charset.top_of_page"></a>gmime-charset</span></h2>
<p>gmime-charset — Charset helper functions</p>
</td>
<td valign="top" align="right"></td>
</tr></table></div>
<div class="refsynopsisdiv">
<a name="gmime-gmime-charset.synopsis"></a><h2>Synopsis</h2>
<pre class="synopsis"> <a class="link" href="gmime-gmime-charset.html#GMimeCharset" title="GMimeCharset">GMimeCharset</a>;
<span class="returnvalue">void</span> <a class="link" href="gmime-gmime-charset.html#g-mime-charset-map-init" title="g_mime_charset_map_init ()">g_mime_charset_map_init</a> (<em class="parameter"><code><span class="type">void</span></code></em>);
<span class="returnvalue">void</span> <a class="link" href="gmime-gmime-charset.html#g-mime-charset-map-shutdown" title="g_mime_charset_map_shutdown ()">g_mime_charset_map_shutdown</a> (<em class="parameter"><code><span class="type">void</span></code></em>);
const <span class="returnvalue">char</span> * <a class="link" href="gmime-gmime-charset.html#g-mime-locale-charset" title="g_mime_locale_charset ()">g_mime_locale_charset</a> (<em class="parameter"><code><span class="type">void</span></code></em>);
const <span class="returnvalue">char</span> * <a class="link" href="gmime-gmime-charset.html#g-mime-locale-language" title="g_mime_locale_language ()">g_mime_locale_language</a> (<em class="parameter"><code><span class="type">void</span></code></em>);
const <span class="returnvalue">char</span> * <a class="link" href="gmime-gmime-charset.html#g-mime-charset-language" title="g_mime_charset_language ()">g_mime_charset_language</a> (<em class="parameter"><code>const <span class="type">char</span> *charset</code></em>);
const <span class="returnvalue">char</span> * <a class="link" href="gmime-gmime-charset.html#g-mime-charset-canon-name" title="g_mime_charset_canon_name ()">g_mime_charset_canon_name</a> (<em class="parameter"><code>const <span class="type">char</span> *charset</code></em>);
const <span class="returnvalue">char</span> * <a class="link" href="gmime-gmime-charset.html#g-mime-charset-iconv-name" title="g_mime_charset_iconv_name ()">g_mime_charset_iconv_name</a> (<em class="parameter"><code>const <span class="type">char</span> *charset</code></em>);
const <span class="returnvalue">char</span> * <a class="link" href="gmime-gmime-charset.html#g-mime-charset-name" title="g_mime_charset_name ()">g_mime_charset_name</a> (<em class="parameter"><code>const <span class="type">char</span> *charset</code></em>);
const <span class="returnvalue">char</span> * <a class="link" href="gmime-gmime-charset.html#g-mime-charset-locale-name" title="g_mime_charset_locale_name ()">g_mime_charset_locale_name</a> (<em class="parameter"><code><span class="type">void</span></code></em>);
const <span class="returnvalue">char</span> * <a class="link" href="gmime-gmime-charset.html#g-mime-charset-iso-to-windows" title="g_mime_charset_iso_to_windows ()">g_mime_charset_iso_to_windows</a> (<em class="parameter"><code>const <span class="type">char</span> *isocharset</code></em>);
<span class="returnvalue">void</span> <a class="link" href="gmime-gmime-charset.html#g-mime-charset-init" title="g_mime_charset_init ()">g_mime_charset_init</a> (<em class="parameter"><code><a class="link" href="gmime-gmime-charset.html#GMimeCharset" title="GMimeCharset"><span class="type">GMimeCharset</span></a> *charset</code></em>);
<span class="returnvalue">void</span> <a class="link" href="gmime-gmime-charset.html#g-mime-charset-step" title="g_mime_charset_step ()">g_mime_charset_step</a> (<em class="parameter"><code><a class="link" href="gmime-gmime-charset.html#GMimeCharset" title="GMimeCharset"><span class="type">GMimeCharset</span></a> *charset</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *inbuf</code></em>,
<em class="parameter"><code><span class="type">size_t</span> inlen</code></em>);
const <span class="returnvalue">char</span> * <a class="link" href="gmime-gmime-charset.html#g-mime-charset-best-name" title="g_mime_charset_best_name ()">g_mime_charset_best_name</a> (<em class="parameter"><code><a class="link" href="gmime-gmime-charset.html#GMimeCharset" title="GMimeCharset"><span class="type">GMimeCharset</span></a> *charset</code></em>);
const <span class="returnvalue">char</span> * <a class="link" href="gmime-gmime-charset.html#g-mime-charset-best" title="g_mime_charset_best ()">g_mime_charset_best</a> (<em class="parameter"><code>const <span class="type">char</span> *inbuf</code></em>,
<em class="parameter"><code><span class="type">size_t</span> inlen</code></em>);
<span class="returnvalue">gboolean</span> <a class="link" href="gmime-gmime-charset.html#g-mime-charset-can-encode" title="g_mime_charset_can_encode ()">g_mime_charset_can_encode</a> (<em class="parameter"><code><a class="link" href="gmime-gmime-charset.html#GMimeCharset" title="GMimeCharset"><span class="type">GMimeCharset</span></a> *mask</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *charset</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *text</code></em>,
<em class="parameter"><code><span class="type">size_t</span> len</code></em>);
<span class="returnvalue">void</span> <a class="link" href="gmime-gmime-charset.html#g-mime-set-user-charsets" title="g_mime_set_user_charsets ()">g_mime_set_user_charsets</a> (<em class="parameter"><code>const <span class="type">char</span> **charsets</code></em>);
const <span class="returnvalue">char</span> ** <a class="link" href="gmime-gmime-charset.html#g-mime-user-charsets" title="g_mime_user_charsets ()">g_mime_user_charsets</a> (<em class="parameter"><code><span class="type">void</span></code></em>);
</pre>
</div>
<div class="refsect1">
<a name="gmime-gmime-charset.description"></a><h2>Description</h2>
<p>
Charset utility functions.
</p>
</div>
<div class="refsect1">
<a name="gmime-gmime-charset.details"></a><h2>Details</h2>
<div class="refsect2">
<a name="GMimeCharset"></a><h3>GMimeCharset</h3>
<pre class="programlisting">typedef struct {
unsigned int mask;
unsigned int level;
} GMimeCharset;
</pre>
<p>
State used by <a class="link" href="gmime-gmime-charset.html#g-mime-charset-best" title="g_mime_charset_best ()"><code class="function">g_mime_charset_best()</code></a> and <a class="link" href="gmime-gmime-charset.html#g-mime-charset-best-name" title="g_mime_charset_best_name ()"><code class="function">g_mime_charset_best_name()</code></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term">unsigned <span class="type">int</span> <em class="structfield"><code><a name="GMimeCharset.mask"></a>mask</code></em>;</span></p></td>
<td>charset mask</td>
</tr>
<tr>
<td><p><span class="term">unsigned <span class="type">int</span> <em class="structfield"><code><a name="GMimeCharset.level"></a>level</code></em>;</span></p></td>
<td>charset level</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="g-mime-charset-map-init"></a><h3>g_mime_charset_map_init ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> g_mime_charset_map_init (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>
Initializes character set maps.
</p>
<p>
Note: <a class="link" href="gmime-gmime.html#g-mime-init" title="g_mime_init ()"><code class="function">g_mime_init()</code></a> calls this routine for you.
</p>
</div>
<hr>
<div class="refsect2">
<a name="g-mime-charset-map-shutdown"></a><h3>g_mime_charset_map_shutdown ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> g_mime_charset_map_shutdown (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>
Frees internal lookup tables created in <a class="link" href="gmime-gmime-charset.html#g-mime-charset-map-init" title="g_mime_charset_map_init ()"><code class="function">g_mime_charset_map_init()</code></a>.
</p>
</div>
<hr>
<div class="refsect2">
<a name="g-mime-locale-charset"></a><h3>g_mime_locale_charset ()</h3>
<pre class="programlisting">const <span class="returnvalue">char</span> * g_mime_locale_charset (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>
Gets the user's locale charset (or iso-8859-1 by default).
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the user's locale charset (or iso-8859-1 by default).</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="g-mime-locale-language"></a><h3>g_mime_locale_language ()</h3>
<pre class="programlisting">const <span class="returnvalue">char</span> * g_mime_locale_language (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>
Gets the user's locale language code (or <code class="literal">NULL</code> by default).
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the user's locale language code (or <code class="literal">NULL</code> by default).</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="g-mime-charset-language"></a><h3>g_mime_charset_language ()</h3>
<pre class="programlisting">const <span class="returnvalue">char</span> * g_mime_charset_language (<em class="parameter"><code>const <span class="type">char</span> *charset</code></em>);</pre>
<p>
Attempts to find a specific language code that is specific to
<em class="parameter"><code>charset</code></em>. Currently only handles CJK and Russian/Ukranian
charset->lang mapping. Everything else will return <code class="literal">NULL</code>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>charset</code></em> :</span></p></td>
<td>charset name</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>a language code that is specific to <em class="parameter"><code>charset</code></em>, or <code class="literal">NULL</code> on
fail.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="g-mime-charset-canon-name"></a><h3>g_mime_charset_canon_name ()</h3>
<pre class="programlisting">const <span class="returnvalue">char</span> * g_mime_charset_canon_name (<em class="parameter"><code>const <span class="type">char</span> *charset</code></em>);</pre>
<p>
Attempts to find a canonical charset name for <em class="parameter"><code>charset</code></em>.
</p>
<p>
Note: Will normally return the same value as
<a class="link" href="gmime-gmime-charset.html#g-mime-charset-iconv-name" title="g_mime_charset_iconv_name ()"><code class="function">g_mime_charset_iconv_name()</code></a> unless the system iconv does not use
the canonical ISO charset names (such as using ISO8859-1 rather
than the canonical form ISO-8859-1).
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>charset</code></em> :</span></p></td>
<td>charset name</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>a canonical charset name for <em class="parameter"><code>charset</code></em>.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="g-mime-charset-iconv-name"></a><h3>g_mime_charset_iconv_name ()</h3>
<pre class="programlisting">const <span class="returnvalue">char</span> * g_mime_charset_iconv_name (<em class="parameter"><code>const <span class="type">char</span> *charset</code></em>);</pre>
<p>
Attempts to find an iconv-friendly charset name for <em class="parameter"><code>charset</code></em>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>charset</code></em> :</span></p></td>
<td>charset name</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>an iconv-friendly charset name for <em class="parameter"><code>charset</code></em>.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="g-mime-charset-name"></a><h3>g_mime_charset_name ()</h3>
<pre class="programlisting">const <span class="returnvalue">char</span> * g_mime_charset_name (<em class="parameter"><code>const <span class="type">char</span> *charset</code></em>);</pre>
<div class="warning" style="margin-left: 0.5in; margin-right: 0.5in;">
<h3 class="title">Warning</h3>
<p><code class="literal">g_mime_charset_name</code> is deprecated and should not be used in newly-written code.</p>
</div>
<p>
Attempts to find an iconv-friendly charset name for <em class="parameter"><code>charset</code></em>.
</p>
<p>
Note: This function is deprecated. Use <a class="link" href="gmime-gmime-charset.html#g-mime-charset-iconv-name" title="g_mime_charset_iconv_name ()"><code class="function">g_mime_charset_iconv_name()</code></a>
instead.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>charset</code></em> :</span></p></td>
<td>charset name</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>an iconv-friendly charset name for <em class="parameter"><code>charset</code></em>.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="g-mime-charset-locale-name"></a><h3>g_mime_charset_locale_name ()</h3>
<pre class="programlisting">const <span class="returnvalue">char</span> * g_mime_charset_locale_name (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<div class="warning" style="margin-left: 0.5in; margin-right: 0.5in;">
<h3 class="title">Warning</h3>
<p><code class="literal">g_mime_charset_locale_name</code> is deprecated and should not be used in newly-written code.</p>
</div>
<p>
Gets the user's locale charset (or iso-8859-1 by default).
</p>
<p>
Note: This function is deprecated. Use <a class="link" href="gmime-gmime-charset.html#g-mime-locale-charset" title="g_mime_locale_charset ()"><code class="function">g_mime_locale_charset()</code></a>
instead.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the user's locale charset (or iso-8859-1 by default).</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="g-mime-charset-iso-to-windows"></a><h3>g_mime_charset_iso_to_windows ()</h3>
<pre class="programlisting">const <span class="returnvalue">char</span> * g_mime_charset_iso_to_windows (<em class="parameter"><code>const <span class="type">char</span> *isocharset</code></em>);</pre>
<p>
Maps the ISO-8859-# charset to the equivalent Windows-CP125#
charset.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>isocharset</code></em> :</span></p></td>
<td>ISO-8859-# charset</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>equivalent Windows charset.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="g-mime-charset-init"></a><h3>g_mime_charset_init ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> g_mime_charset_init (<em class="parameter"><code><a class="link" href="gmime-gmime-charset.html#GMimeCharset" title="GMimeCharset"><span class="type">GMimeCharset</span></a> *charset</code></em>);</pre>
<p>
Initializes a charset mask structure.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>charset</code></em> :</span></p></td>
<td>charset mask</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="g-mime-charset-step"></a><h3>g_mime_charset_step ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> g_mime_charset_step (<em class="parameter"><code><a class="link" href="gmime-gmime-charset.html#GMimeCharset" title="GMimeCharset"><span class="type">GMimeCharset</span></a> *charset</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *inbuf</code></em>,
<em class="parameter"><code><span class="type">size_t</span> inlen</code></em>);</pre>
<p>
Steps through the input buffer 1 unicode character (glyph) at a
time (ie, not necessarily 1 byte at a time). Bitwise 'and' our
<em class="parameter"><code>charset->mask</code></em> with the mask for each glyph. This has the effect of
limiting what charsets our <em class="parameter"><code>charset->mask</code></em> can match.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>charset</code></em> :</span></p></td>
<td>charset structure</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>inbuf</code></em> :</span></p></td>
<td>input text buffer (must be in UTF-8)</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>inlen</code></em> :</span></p></td>
<td>input buffer length</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="g-mime-charset-best-name"></a><h3>g_mime_charset_best_name ()</h3>
<pre class="programlisting">const <span class="returnvalue">char</span> * g_mime_charset_best_name (<em class="parameter"><code><a class="link" href="gmime-gmime-charset.html#GMimeCharset" title="GMimeCharset"><span class="type">GMimeCharset</span></a> *charset</code></em>);</pre>
<p>
Gets the best charset name based on the charset mask <em class="parameter"><code>charset</code></em>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>charset</code></em> :</span></p></td>
<td>charset mask</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>a pointer to a string containing the best charset name that
can represent the charset mask <em class="parameter"><code>charset</code></em>.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="g-mime-charset-best"></a><h3>g_mime_charset_best ()</h3>
<pre class="programlisting">const <span class="returnvalue">char</span> * g_mime_charset_best (<em class="parameter"><code>const <span class="type">char</span> *inbuf</code></em>,
<em class="parameter"><code><span class="type">size_t</span> inlen</code></em>);</pre>
<p>
Computes the best charset to use to encode this text buffer.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>inbuf</code></em> :</span></p></td>
<td>a UTF-8 text buffer</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>inlen</code></em> :</span></p></td>
<td>input buffer length</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the charset name best suited for the input text or <code class="literal">NULL</code> if
it is US-ASCII safe.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="g-mime-charset-can-encode"></a><h3>g_mime_charset_can_encode ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span> g_mime_charset_can_encode (<em class="parameter"><code><a class="link" href="gmime-gmime-charset.html#GMimeCharset" title="GMimeCharset"><span class="type">GMimeCharset</span></a> *mask</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *charset</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *text</code></em>,
<em class="parameter"><code><span class="type">size_t</span> len</code></em>);</pre>
<p>
Check to see if the UTF-8 <em class="parameter"><code>text</code></em> will fit safely within <em class="parameter"><code>charset</code></em>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>mask</code></em> :</span></p></td>
<td>a <a class="link" href="gmime-gmime-charset.html#GMimeCharset" title="GMimeCharset"><span class="type">GMimeCharset</span></a> mask</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>charset</code></em> :</span></p></td>
<td>a charset</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>text</code></em> :</span></p></td>
<td>utf-8 text to check</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>len</code></em> :</span></p></td>
<td>length of <em class="parameter"><code>text</code></em>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
<code class="literal">TRUE</code> if it is safe to encode <em class="parameter"><code>text</code></em> into <em class="parameter"><code>charset</code></em> or <code class="literal">FALSE</code>
otherwise.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="g-mime-set-user-charsets"></a><h3>g_mime_set_user_charsets ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> g_mime_set_user_charsets (<em class="parameter"><code>const <span class="type">char</span> **charsets</code></em>);</pre>
<p>
Set a list of charsets for GMime to use as a hint for encoding and
decoding headers. The charset list should be in order of preference
(e.g. most preferred first, least preferred last).
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>charsets</code></em> :</span></p></td>
<td>an array of user-preferred charsets</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="g-mime-user-charsets"></a><h3>g_mime_user_charsets ()</h3>
<pre class="programlisting">const <span class="returnvalue">char</span> ** g_mime_user_charsets (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>
Get the list of user-preferred charsets set with
<a class="link" href="gmime-gmime-charset.html#g-mime-set-user-charsets" title="g_mime_set_user_charsets ()"><code class="function">g_mime_set_user_charsets()</code></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>an array of user-set charsets or <code class="literal">NULL</code> if none set.</td>
</tr></tbody>
</table></div>
</div>
</div>
</div>
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