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lib64zvbi-devel-0.2.35-5.mga6.x86_64.rpm

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   &#160;<span id="projectnumber">0.2.35</span>
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<a href="#define-members">Macros</a> &#124;
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<div class="title">Character set conversion functions<div class="ingroups"><a class="el" href="group__LowDec.html">Low Level Decoding</a></div></div>  </div>
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<p>Helper functions to convert between Closed Caption, Teletext, Unicode and the locale character set.  
<a href="#details">More...</a></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="define-members"></a>
Macros</h2></td></tr>
<tr class="memitem:gaca955407d450ed6065f2e219c9f879e6"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="gaca955407d450ed6065f2e219c9f879e6"></a>
#define&#160;</td><td class="memItemRight" valign="bottom"><b>VBI_NUL_TERMINATED</b>&#160;&#160;&#160;-1</td></tr>
<tr class="separator:gaca955407d450ed6065f2e219c9f879e6"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:ga80b5eb70475e34a24733e5ccaa3e9b9f"><td class="memItemLeft" align="right" valign="top">unsigned long&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__Conv.html#ga80b5eb70475e34a24733e5ccaa3e9b9f">vbi_strlen_ucs2</a> (const uint16_t *src)</td></tr>
<tr class="separator:ga80b5eb70475e34a24733e5ccaa3e9b9f"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gac19f92bda7624f3d096ee58b388840fc"><td class="memItemLeft" align="right" valign="top">char *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__Conv.html#gac19f92bda7624f3d096ee58b388840fc">vbi_strndup_iconv_ucs2</a> (const char *dst_codeset, const uint16_t *src, long src_length, int repl_char)</td></tr>
<tr class="separator:gac19f92bda7624f3d096ee58b388840fc"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gab360448d13ec1cd3c4a7a4babb07243f"><td class="memItemLeft" align="right" valign="top">char *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__Conv.html#gab360448d13ec1cd3c4a7a4babb07243f">vbi_strndup_iconv</a> (const char *dst_codeset, const char *src_codeset, const char *src, unsigned long src_size, int repl_char)</td></tr>
<tr class="separator:gab360448d13ec1cd3c4a7a4babb07243f"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gaac3f3b17d6fe089ea66541f8d14255e6"><td class="memItemLeft" align="right" valign="top">vbi_bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__Conv.html#gaac3f3b17d6fe089ea66541f8d14255e6">vbi_fputs_iconv</a> (FILE *fp, const char *dst_codeset, const char *src_codeset, const char *src, unsigned long src_size, int repl_char)</td></tr>
<tr class="separator:gaac3f3b17d6fe089ea66541f8d14255e6"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gaeffd10bd2ffee99cd428b2268c380f4b"><td class="memItemLeft" align="right" valign="top">vbi_bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__Conv.html#gaeffd10bd2ffee99cd428b2268c380f4b">vbi_fputs_iconv_ucs2</a> (FILE *fp, const char *dst_codeset, const uint16_t *src, long src_length, int repl_char)</td></tr>
<tr class="separator:gaeffd10bd2ffee99cd428b2268c380f4b"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga69e68f14e65c01622db558df3e6a11f6"><td class="memItemLeft" align="right" valign="top">const char *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__Conv.html#ga69e68f14e65c01622db558df3e6a11f6">vbi_locale_codeset</a> (void)</td></tr>
<tr class="separator:ga69e68f14e65c01622db558df3e6a11f6"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gaed83a362d4a7e408f5c42a82fa02e356"><td class="memItemLeft" align="right" valign="top">char *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__Conv.html#gaed83a362d4a7e408f5c42a82fa02e356">vbi_strndup_iconv_caption</a> (const char *dst_codeset, const char *src, long src_length, int repl_char) _vbi_alloc</td></tr>
<tr class="separator:gaed83a362d4a7e408f5c42a82fa02e356"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gadbe555b3d116e51d6accc7ec45fa5ef6"><td class="memItemLeft" align="right" valign="top">unsigned int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__Conv.html#gadbe555b3d116e51d6accc7ec45fa5ef6">vbi_caption_unicode</a> (unsigned int c, vbi_bool to_upper)</td></tr>
<tr class="separator:gadbe555b3d116e51d6accc7ec45fa5ef6"><td class="memSeparator" colspan="2">&#160;</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<p>Helper functions to convert between Closed Caption, Teletext, Unicode and the locale character set. </p>
<h2 class="groupheader">Function Documentation</h2>
<a class="anchor" id="ga80b5eb70475e34a24733e5ccaa3e9b9f"></a>
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          <td class="memname">unsigned long vbi_strlen_ucs2 </td>
          <td>(</td>
          <td class="paramtype">const uint16_t *&#160;</td>
          <td class="paramname"><em>src</em></td><td>)</td>
          <td></td>
        </tr>
      </table>
</div><div class="memdoc">
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">src</td><td>NUL-terminated UCS-2 string.</td></tr>
  </table>
  </dd>
</dl>
<p>Counts the characters in the string, up to and excluding the terminating NUL.</p>
<dl class="section since"><dt>Since</dt><dd>0.2.23 </dd></dl>

<p>Referenced by <a class="el" href="group__Export.html#ga3f3ffe1fd0b7b143392076b4bfaef8fa">vbi_export_option_menu_set()</a>, and <a class="el" href="group__Conv.html#gaeffd10bd2ffee99cd428b2268c380f4b">vbi_fputs_iconv_ucs2()</a>.</p>

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<a class="anchor" id="gac19f92bda7624f3d096ee58b388840fc"></a>
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          <td class="memname">char * vbi_strndup_iconv_ucs2 </td>
          <td>(</td>
          <td class="paramtype">const char *&#160;</td>
          <td class="paramname"><em>dst_codeset</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const uint16_t *&#160;</td>
          <td class="paramname"><em>src</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">long&#160;</td>
          <td class="paramname"><em>src_length</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">int&#160;</td>
          <td class="paramname"><em>repl_char</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">dst_codeset</td><td>Character set name for iconv() conversion, for example "ISO-8859-1". When <code>NULL</code> the default is UTF-8. </td></tr>
    <tr><td class="paramname">src</td><td>Source string in UCS-2 format, can be <code>NULL</code>. </td></tr>
    <tr><td class="paramname">src_length</td><td>Number of characters (not bytes) in the source string. Can be -1 if the string is NUL terminated. </td></tr>
    <tr><td class="paramname">repl_char</td><td>UCS-2 replacement for characters which are not representable in <em>dst_codeset</em>. When zero the function will fail if the source buffer contains unrepresentable characters.</td></tr>
  </table>
  </dd>
</dl>
<p>Converts a UCS-2 string with iconv() and writes the result with a terminating NUL character into a newly allocated buffer.</p>
<dl class="section return"><dt>Returns</dt><dd>A pointer to the allocated buffer. You must free() the buffer when it is no longer needed. The function returns <code>NULL</code> when the conversion fails, when it runs out of memory or when <em>src</em> is <code>NULL</code>.</dd></dl>
<dl class="section since"><dt>Since</dt><dd>0.2.23 </dd></dl>

<p>References <a class="el" href="group__Conv.html#gadbe555b3d116e51d6accc7ec45fa5ef6">vbi_caption_unicode()</a>.</p>

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<a class="anchor" id="gab360448d13ec1cd3c4a7a4babb07243f"></a>
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      <table class="memname">
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          <td class="memname">char * vbi_strndup_iconv </td>
          <td>(</td>
          <td class="paramtype">const char *&#160;</td>
          <td class="paramname"><em>dst_codeset</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const char *&#160;</td>
          <td class="paramname"><em>src_codeset</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const char *&#160;</td>
          <td class="paramname"><em>src</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">unsigned long&#160;</td>
          <td class="paramname"><em>src_size</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">int&#160;</td>
          <td class="paramname"><em>repl_char</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">dst_codeset</td><td>Character set name for iconv() conversion, for example "ISO-8859-1". When <code>NULL</code> the default is UTF-8. </td></tr>
    <tr><td class="paramname">src_codeset</td><td>Character set name for iconv() conversion, for example "ISO-8859-1". When <code>NULL</code> the default is UTF-8. </td></tr>
    <tr><td class="paramname">src</td><td>Source buffer, can be <code>NULL</code>. </td></tr>
    <tr><td class="paramname">src_size</td><td>Number of bytes in the source string (excluding the terminating NUL, if any). </td></tr>
    <tr><td class="paramname">repl_char</td><td>UCS-2 replacement for characters which are not representable in <em>dst_codeset</em>. When zero the function will fail if the source buffer contains unrepresentable characters.</td></tr>
  </table>
  </dd>
</dl>
<p>Converts a string with iconv() and writes the result with a terminating NUL character into a newly allocated buffer.</p>
<dl class="section return"><dt>Returns</dt><dd>A pointer to the allocated buffer. You must free() the buffer when it is no longer needed. The function returns <code>NULL</code> when the conversion fails, when it runs out of memory or when <em>src</em> is <code>NULL</code>.</dd></dl>
<dl class="section since"><dt>Since</dt><dd>0.2.23 </dd></dl>
<dl><dt><b>Examples: </b></dt><dd><a class="el" href="examples_2network_8c-example.html#a7">examples/network.c</a>.</dd>
</dl>
<p>Referenced by <a class="el" href="group__Conv.html#gaed83a362d4a7e408f5c42a82fa02e356">vbi_strndup_iconv_caption()</a>.</p>

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<a class="anchor" id="gaac3f3b17d6fe089ea66541f8d14255e6"></a>
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          <td class="memname">vbi_bool vbi_fputs_iconv </td>
          <td>(</td>
          <td class="paramtype">FILE *&#160;</td>
          <td class="paramname"><em>fp</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const char *&#160;</td>
          <td class="paramname"><em>dst_codeset</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const char *&#160;</td>
          <td class="paramname"><em>src_codeset</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const char *&#160;</td>
          <td class="paramname"><em>src</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">unsigned long&#160;</td>
          <td class="paramname"><em>src_size</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">int&#160;</td>
          <td class="paramname"><em>repl_char</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">fp</td><td>Output file. </td></tr>
    <tr><td class="paramname">dst_codeset</td><td>Character set name for iconv() conversion, for example "ISO-8859-1". When <code>NULL</code> the default is UTF-8. </td></tr>
    <tr><td class="paramname">src_codeset</td><td>Character set name for iconv() conversion, for example "ISO-8859-1". When <code>NULL</code> the default is UTF-8. </td></tr>
    <tr><td class="paramname">src</td><td>Source buffer, can be <code>NULL</code>. </td></tr>
    <tr><td class="paramname">src_size</td><td>Number of bytes in the source string (excluding the terminating NUL, if any). </td></tr>
    <tr><td class="paramname">repl_char</td><td>UCS-2 replacement for characters which are not representable in <em>dst_codeset</em>. When zero the function will fail if the source buffer contains unrepresentable characters.</td></tr>
  </table>
  </dd>
</dl>
<p>Converts a string with iconv() and writes the result into the given file.</p>
<dl class="section return"><dt>Returns</dt><dd>FALSE on failure.</dd></dl>
<dl class="section since"><dt>Since</dt><dd>0.2.23 </dd></dl>

<p>Referenced by <a class="el" href="group__Conv.html#gaeffd10bd2ffee99cd428b2268c380f4b">vbi_fputs_iconv_ucs2()</a>.</p>

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<a class="anchor" id="gaeffd10bd2ffee99cd428b2268c380f4b"></a>
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        <tr>
          <td class="memname">vbi_bool vbi_fputs_iconv_ucs2 </td>
          <td>(</td>
          <td class="paramtype">FILE *&#160;</td>
          <td class="paramname"><em>fp</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const char *&#160;</td>
          <td class="paramname"><em>dst_codeset</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const uint16_t *&#160;</td>
          <td class="paramname"><em>src</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">long&#160;</td>
          <td class="paramname"><em>src_length</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">int&#160;</td>
          <td class="paramname"><em>repl_char</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">fp</td><td>Output file. </td></tr>
    <tr><td class="paramname">dst_codeset</td><td>Character set name for iconv() conversion, for example "ISO-8859-1". When <code>NULL</code> the default is UTF-8. </td></tr>
    <tr><td class="paramname">src</td><td>Source string in UCS-2 format, can be <code>NULL</code>. </td></tr>
    <tr><td class="paramname">src_length</td><td>Number of characters (not bytes) in the source string. Can be -1 if the string is NUL terminated. </td></tr>
    <tr><td class="paramname">repl_char</td><td>UCS-2 replacement for characters which are not representable in <em>dst_codeset</em>. When zero the function will fail if the source buffer contains unrepresentable characters.</td></tr>
  </table>
  </dd>
</dl>
<p>Converts a UCS-2 string with iconv() and writes the result into the given file.</p>
<dl class="section return"><dt>Returns</dt><dd>FALSE on failure.</dd></dl>
<dl class="section since"><dt>Since</dt><dd>0.2.23 </dd></dl>

<p>References <a class="el" href="group__Conv.html#gaac3f3b17d6fe089ea66541f8d14255e6">vbi_fputs_iconv()</a>, and <a class="el" href="group__Conv.html#ga80b5eb70475e34a24733e5ccaa3e9b9f">vbi_strlen_ucs2()</a>.</p>

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<a class="anchor" id="ga69e68f14e65c01622db558df3e6a11f6"></a>
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          <td class="memname">const char * vbi_locale_codeset </td>
          <td>(</td>
          <td class="paramtype">void&#160;</td>
          <td class="paramname"></td><td>)</td>
          <td></td>
        </tr>
      </table>
</div><div class="memdoc">
<p>Returns the character encoding used by the current locale, for example "UTF-8". <code>NULL</code> if unknown.</p>
<p>Note applications must call </p><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;setlocale (LC_ALL, &quot;&quot;);</div></div><!-- fragment --><p> to use the locale specified by the environment. The default C locale uses ASCII encoding.</p>
<dl class="section since"><dt>Since</dt><dd>0.2.23 </dd></dl>
<dl><dt><b>Examples: </b></dt><dd><a class="el" href="examples_2network_8c-example.html#a8">examples/network.c</a>.</dd>
</dl>
</div>
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        <tr>
          <td class="memname">char* vbi_strndup_iconv_caption </td>
          <td>(</td>
          <td class="paramtype">const char *&#160;</td>
          <td class="paramname"><em>dst_codeset</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const char *&#160;</td>
          <td class="paramname"><em>src</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">long&#160;</td>
          <td class="paramname"><em>src_length</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">int&#160;</td>
          <td class="paramname"><em>repl_char</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">dst_codeset</td><td>Character set name for iconv() conversion, for example "ISO-8859-1". When <code>NULL</code> the default is UTF-8. </td></tr>
    <tr><td class="paramname">src</td><td>String of Closed Caption characters, can be <code>NULL</code>. </td></tr>
    <tr><td class="paramname">src_length</td><td>Number of characters (= bytes) in the source string. Can be -1 if the <em>src</em> string is NUL terminated. </td></tr>
    <tr><td class="paramname">repl_char</td><td>UCS-2 replacement for characters which are not representable in <em>dst_codeset</em>. When zero the function will fail if the source buffer contains unrepresentable characters.</td></tr>
  </table>
  </dd>
</dl>
<p>Converts a string of EIA 608 Closed Caption characters to another format and stores the result with a terminating NUL in a newly allocated buffer. The function ignores parity bits and the bytes 0x00 ... 0x1F except two byte special and extended characters (e.g. music note 0x11 0x37).</p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="group__Conv.html#gadbe555b3d116e51d6accc7ec45fa5ef6">vbi_caption_unicode()</a></dd></dl>
<dl class="section return"><dt>Returns</dt><dd>A pointer to the allocated buffer. You must free() the buffer when it is no longer needed. The function returns <code>NULL</code> when the source buffer contains invalid two byte characters, when the conversion fails, when it runs out of memory or when <em>src</em> is <code>NULL</code>.</dd></dl>
<dl class="section since"><dt>Since</dt><dd>0.2.23 </dd></dl>

<p>References <a class="el" href="group__Conv.html#gab360448d13ec1cd3c4a7a4babb07243f">vbi_strndup_iconv()</a>.</p>

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        <tr>
          <td class="memname">unsigned int vbi_caption_unicode </td>
          <td>(</td>
          <td class="paramtype">unsigned int&#160;</td>
          <td class="paramname"><em>c</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">vbi_bool&#160;</td>
          <td class="paramname"><em>to_upper</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
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<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">c</td><td>Character code in range 0x20 ... 0x7F, 0x1130 ... 0x113F, 0x1930 ... 0x193F, 0x1220 ... 0x123F, 0x1A20 ... 0x1A3F, 0x1320 ... 0x133F, 0x1B20 ... 0x1B3F. </td></tr>
    <tr><td class="paramname">to_upper</td><td>Convert the character to upper case. (In general real time caption is capitalized, but for a few accented characters older versions of the standard defined only lower case character codes. This option is available to conveniently capitalize all characters received.)</td></tr>
  </table>
  </dd>
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<p>Converts a Closed Caption character code to Unicode. Codes in range 0x1130 to 0x1B3F are "special characters" and "extended
characters" (e.g. caption command 0x11 0x37).</p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="group__Conv.html#gaed83a362d4a7e408f5c42a82fa02e356">vbi_strndup_iconv_caption()</a></dd></dl>
<dl class="section return"><dt>Returns</dt><dd>Unicode value or 0 if <em>c</em> is outside the valid ranges.</dd></dl>
<dl class="section since"><dt>Since</dt><dd>0.2.23 </dd></dl>

<p>Referenced by <a class="el" href="group__Page.html#ga91d143565aca5277b8b28c5f4ebc4ca2">vbi_is_drcs()</a>, and <a class="el" href="group__Conv.html#gac19f92bda7624f3d096ee58b388840fc">vbi_strndup_iconv_ucs2()</a>.</p>

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