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<html>
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<meta name="generator" content="groff -Thtml, see www.gnu.org"> |
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<meta name="Content-Style" content="text/css"> |
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<title>ICONV_OPEN</title> |
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<body>
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<h1 align=center>ICONV_OPEN</h1> |
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<a href="#NAME">NAME</a><br> |
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<a href="#SYNOPSIS">SYNOPSIS</a><br> |
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<a href="#DESCRIPTION">DESCRIPTION</a><br> |
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<a href="#RETURN VALUE">RETURN VALUE</a><br> |
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<a href="#ERRORS">ERRORS</a><br> |
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<a href="#CONFORMING TO">CONFORMING TO</a><br> |
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<a href="#SEE ALSO">SEE ALSO</a><br> |
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<hr>
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<!-- Creator : groff version 1.17 -->
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<!-- CreationDate: Wed May 29 16:17:03 2002 -->
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<a name="NAME"></a> |
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<h2>NAME</h2> |
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<table width="100%" border=0 rules="none" frame="void" |
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<tr valign="top" align="left"> |
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<td width="10%"></td><td width="90%"> |
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iconv_open - allocate descriptor for character set conversion</td></table> |
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<a name="SYNOPSIS"></a> |
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<h2>SYNOPSIS</h2> |
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<table width="100%" border=0 rules="none" frame="void" |
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cols="2" cellspacing="0" cellpadding="0"> |
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<td width="10%"></td><td width="90%"> |
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<pre><b>#include <iconv.h> |
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|
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iconv_t iconv_open (const char*</b> <i>tocode</i><b>, const char*</b> <i>fromcode</i><b>); |
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</b></pre></td></table> |
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<a name="DESCRIPTION"></a> |
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<h2>DESCRIPTION</h2> |
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|
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<table width="100%" border=0 rules="none" frame="void" |
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cols="2" cellspacing="0" cellpadding="0"> |
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<tr valign="top" align="left"> |
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<td width="10%"></td><td width="90%"> |
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The <b>iconv_open</b> function allocates a conversion |
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descriptor suitable for converting byte sequences from |
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character encoding <i>fromcode</i> to character encoding |
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<i>tocode</i>.</td></table> |
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|
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<table width="100%" border=0 rules="none" frame="void" |
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cols="2" cellspacing="0" cellpadding="0"> |
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<tr valign="top" align="left"> |
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<td width="10%"></td><td width="90%"> |
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The values permitted for <i>fromcode</i> and <i>tocode</i> |
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and the supported combinations are system dependent. For the |
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libiconv library, the following encodings are supported, in |
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all combinations.</td></table> |
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|
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<table width="100%" border=0 rules="none" frame="void" |
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cols="2" cellspacing="0" cellpadding="0"> |
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<tr valign="top" align="left"> |
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<td width="10%"></td><td width="90%"> |
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European languages</td></table> |
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|
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<table width="100%" border=0 rules="none" frame="void" |
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cols="2" cellspacing="0" cellpadding="0"> |
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<tr valign="top" align="left"> |
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<td width="21%"></td><td width="79%"> |
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ASCII, ISO-8859-{1,2,3,4,5,7,9,10,13,14,15,16}, KOI8-R, |
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KOI8-U, KOI8-RU, CP{1250,1251,1252,1253,1254,1257}, |
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CP{850,866}, |
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Mac{Roman,CentralEurope,Iceland,Croatian,Romania}, |
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Mac{Cyrillic,Ukraine,Greek,Turkish}, Macintosh</td></table> |
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|
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<table width="100%" border=0 rules="none" frame="void" |
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cols="2" cellspacing="0" cellpadding="0"> |
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<tr valign="top" align="left"> |
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<td width="10%"></td><td width="90%"> |
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Semitic languages</td></table> |
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|
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<table width="100%" border=0 rules="none" frame="void" |
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cols="2" cellspacing="0" cellpadding="0"> |
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<tr valign="top" align="left"> |
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<td width="21%"></td><td width="79%"> |
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ISO-8859-{6,8}, CP{1255,1256}, CP862, |
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Mac{Hebrew,Arabic}</td></table> |
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|
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<table width="100%" border=0 rules="none" frame="void" |
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cols="2" cellspacing="0" cellpadding="0"> |
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<tr valign="top" align="left"> |
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<td width="10%"></td><td width="90%"> |
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Japanese</td></table> |
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|
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<table width="100%" border=0 rules="none" frame="void" |
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cols="2" cellspacing="0" cellpadding="0"> |
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<tr valign="top" align="left"> |
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<td width="21%"></td><td width="79%"> |
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EUC-JP, SHIFT_JIS, CP932, ISO-2022-JP, ISO-2022-JP-2, |
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ISO-2022-JP-1</td></table> |
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|
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<table width="100%" border=0 rules="none" frame="void" |
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cols="2" cellspacing="0" cellpadding="0"> |
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<tr valign="top" align="left"> |
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<td width="10%"></td><td width="90%"> |
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Chinese</td></table> |
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|
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<table width="100%" border=0 rules="none" frame="void" |
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cols="2" cellspacing="0" cellpadding="0"> |
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<tr valign="top" align="left"> |
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<td width="21%"></td><td width="79%"> |
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EUC-CN, HZ, GBK, GB18030, EUC-TW, BIG5, CP950, BIG5-HKSCS, |
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ISO-2022-CN, ISO-2022-CN-EXT</td></table> |
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|
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<table width="100%" border=0 rules="none" frame="void" |
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cols="2" cellspacing="0" cellpadding="0"> |
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<tr valign="top" align="left"> |
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<td width="10%"></td><td width="90%"> |
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Korean</td></table> |
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|
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<table width="100%" border=0 rules="none" frame="void" |
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cols="2" cellspacing="0" cellpadding="0"> |
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<tr valign="top" align="left"> |
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<td width="21%"></td><td width="79%"> |
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EUC-KR, CP949, ISO-2022-KR, JOHAB</td></table> |
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|
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<table width="100%" border=0 rules="none" frame="void" |
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cols="2" cellspacing="0" cellpadding="0"> |
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<tr valign="top" align="left"> |
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<td width="10%"></td><td width="90%"> |
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Armenian</td></table> |
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|
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<table width="100%" border=0 rules="none" frame="void" |
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cols="2" cellspacing="0" cellpadding="0"> |
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<tr valign="top" align="left"> |
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<td width="21%"></td><td width="79%"> |
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ARMSCII-8</td></table> |
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|
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<table width="100%" border=0 rules="none" frame="void" |
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cols="2" cellspacing="0" cellpadding="0"> |
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<tr valign="top" align="left"> |
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<td width="10%"></td><td width="90%"> |
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Georgian</td></table> |
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|
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<table width="100%" border=0 rules="none" frame="void" |
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cols="2" cellspacing="0" cellpadding="0"> |
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<tr valign="top" align="left"> |
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<td width="21%"></td><td width="79%"> |
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Georgian-Academy, Georgian-PS</td></table> |
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|
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<table width="100%" border=0 rules="none" frame="void" |
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cols="2" cellspacing="0" cellpadding="0"> |
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<tr valign="top" align="left"> |
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<td width="10%"></td><td width="90%"> |
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Tajik</td></table> |
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|
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<table width="100%" border=0 rules="none" frame="void" |
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cols="2" cellspacing="0" cellpadding="0"> |
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<tr valign="top" align="left"> |
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<td width="21%"></td><td width="79%"> |
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KOI8-T</td></table> |
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|
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<table width="100%" border=0 rules="none" frame="void" |
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cols="2" cellspacing="0" cellpadding="0"> |
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<tr valign="top" align="left"> |
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<td width="10%"></td><td width="90%"> |
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Thai</td></table> |
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|
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<table width="100%" border=0 rules="none" frame="void" |
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cols="2" cellspacing="0" cellpadding="0"> |
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<tr valign="top" align="left"> |
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<td width="21%"></td><td width="79%"> |
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TIS-620, CP874, MacThai</td></table> |
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|
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<table width="100%" border=0 rules="none" frame="void" |
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cols="2" cellspacing="0" cellpadding="0"> |
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<tr valign="top" align="left"> |
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<td width="10%"></td><td width="90%"> |
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Laotian</td></table> |
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|
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<table width="100%" border=0 rules="none" frame="void" |
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cols="2" cellspacing="0" cellpadding="0"> |
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<tr valign="top" align="left"> |
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<td width="21%"></td><td width="79%"> |
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MuleLao-1, CP1133</td></table> |
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|
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<table width="100%" border=0 rules="none" frame="void" |
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cols="2" cellspacing="0" cellpadding="0"> |
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<tr valign="top" align="left"> |
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<td width="10%"></td><td width="90%"> |
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Vietnamese</td></table> |
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|
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<table width="100%" border=0 rules="none" frame="void" |
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cols="2" cellspacing="0" cellpadding="0"> |
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<tr valign="top" align="left"> |
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<td width="21%"></td><td width="79%"> |
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VISCII, TCVN, CP1258</td></table> |
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|
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<table width="100%" border=0 rules="none" frame="void" |
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cols="2" cellspacing="0" cellpadding="0"> |
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<tr valign="top" align="left"> |
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<td width="10%"></td><td width="90%"> |
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Platform specifics</td></table> |
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|
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<table width="100%" border=0 rules="none" frame="void" |
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cols="2" cellspacing="0" cellpadding="0"> |
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<tr valign="top" align="left"> |
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<td width="21%"></td><td width="79%"> |
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HP-ROMAN8, NEXTSTEP</td></table> |
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|
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<table width="100%" border=0 rules="none" frame="void" |
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cols="2" cellspacing="0" cellpadding="0"> |
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<tr valign="top" align="left"> |
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<td width="10%"></td><td width="90%"> |
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Full Unicode</td></table> |
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|
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<table width="100%" border=0 rules="none" frame="void" |
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cols="2" cellspacing="0" cellpadding="0"> |
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<tr valign="top" align="left"> |
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<td width="21%"></td><td width="79%"> |
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UTF-8</td></table> |
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|
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<table width="100%" border=0 rules="none" frame="void" |
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cols="2" cellspacing="0" cellpadding="0"> |
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<tr valign="top" align="left"> |
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<td width="21%"></td><td width="79%"> |
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UCS-2, UCS-2BE, UCS-2LE</td></table> |
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|
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<table width="100%" border=0 rules="none" frame="void" |
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cols="2" cellspacing="0" cellpadding="0"> |
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<tr valign="top" align="left"> |
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<td width="21%"></td><td width="79%"> |
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UCS-4, UCS-4BE, UCS-4LE</td></table> |
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|
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<table width="100%" border=0 rules="none" frame="void" |
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cols="2" cellspacing="0" cellpadding="0"> |
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<tr valign="top" align="left"> |
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<td width="21%"></td><td width="79%"> |
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UTF-16, UTF-16BE, UTF-16LE</td></table> |
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|
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<table width="100%" border=0 rules="none" frame="void" |
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cols="2" cellspacing="0" cellpadding="0"> |
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<tr valign="top" align="left"> |
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<td width="21%"></td><td width="79%"> |
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UTF-32, UTF-32BE, UTF-32LE</td></table> |
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|
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<table width="100%" border=0 rules="none" frame="void" |
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cols="2" cellspacing="0" cellpadding="0"> |
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<tr valign="top" align="left"> |
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<td width="21%"></td><td width="79%"> |
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UTF-7</td></table> |
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|
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<table width="100%" border=0 rules="none" frame="void" |
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cols="2" cellspacing="0" cellpadding="0"> |
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<tr valign="top" align="left"> |
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<td width="21%"></td><td width="79%"> |
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C99, JAVA</td></table> |
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|
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<table width="100%" border=0 rules="none" frame="void" |
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cols="2" cellspacing="0" cellpadding="0"> |
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<tr valign="top" align="left"> |
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<td width="10%"></td><td width="90%"> |
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Full Unicode, in terms of <b>uint16_t</b> or |
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<b>uint32_t</b></td></table> |
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|
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<table width="100%" border=0 rules="none" frame="void" |
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cols="2" cellspacing="0" cellpadding="0"> |
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<tr valign="top" align="left"> |
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<td width="21%"></td><td width="79%"> |
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(with machine dependent endianness and |
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alignment)</td></table> |
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|
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<table width="100%" border=0 rules="none" frame="void" |
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cols="2" cellspacing="0" cellpadding="0"> |
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<tr valign="top" align="left"> |
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<td width="21%"></td><td width="79%"> |
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UCS-2-INTERNAL, UCS-4-INTERNAL</td></table> |
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|
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<table width="100%" border=0 rules="none" frame="void" |
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cols="2" cellspacing="0" cellpadding="0"> |
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<tr valign="top" align="left"> |
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<td width="10%"></td><td width="90%"> |
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Locale dependent, in terms of <b>char</b> or |
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<b>wchar_t</b></td></table> |
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|
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<table width="100%" border=0 rules="none" frame="void" |
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cols="2" cellspacing="0" cellpadding="0"> |
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<tr valign="top" align="left"> |
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<td width="21%"></td><td width="79%"> |
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(with machine dependent endianness and alignment, and with |
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semantics depending on the OS and the current LC_CTYPE |
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locale facet)</td></table> |
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|
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<table width="100%" border=0 rules="none" frame="void" |
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cols="2" cellspacing="0" cellpadding="0"> |
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<tr valign="top" align="left"> |
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<td width="21%"></td><td width="79%"> |
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char, wchar_t</td></table> |
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|
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<table width="100%" border=0 rules="none" frame="void" |
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cols="2" cellspacing="0" cellpadding="0"> |
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<tr valign="top" align="left"> |
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<td width="10%"></td><td width="90%"> |
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When configured with the option |
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<b>--enable-extra-encodings</b>, it also provides support |
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for a few extra encodings:</td></table> |
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|
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<table width="100%" border=0 rules="none" frame="void" |
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cols="2" cellspacing="0" cellpadding="0"> |
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<tr valign="top" align="left"> |
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<td width="10%"></td><td width="90%"> |
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European languages</td></table> |
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|
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<table width="100%" border=0 rules="none" frame="void" |
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cols="2" cellspacing="0" cellpadding="0"> |
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<tr valign="top" align="left"> |
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<td width="21%"></td><td width="79%"> |
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<pre>CP{437,737,775,852,853,855,857,858,860,861,863,865,869,1125}
|
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</pre></td></table> |
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|
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<table width="100%" border=0 rules="none" frame="void" |
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cols="2" cellspacing="0" cellpadding="0"> |
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<tr valign="top" align="left"> |
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<td width="10%"></td><td width="90%"> |
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Semitic languages</td></table> |
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|
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<table width="100%" border=0 rules="none" frame="void" |
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cols="2" cellspacing="0" cellpadding="0"> |
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<tr valign="top" align="left"> |
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<td width="21%"></td><td width="79%"> |
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CP864</td></table> |
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|
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<table width="100%" border=0 rules="none" frame="void" |
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cols="2" cellspacing="0" cellpadding="0"> |
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<tr valign="top" align="left"> |
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<td width="10%"></td><td width="90%"> |
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Japanese</td></table> |
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|
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<table width="100%" border=0 rules="none" frame="void" |
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cols="2" cellspacing="0" cellpadding="0"> |
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<tr valign="top" align="left"> |
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<td width="21%"></td><td width="79%"> |
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EUC-JISX0213, Shift_JISX0213, ISO-2022-JP-3</td></table> |
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|
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<table width="100%" border=0 rules="none" frame="void" |
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cols="2" cellspacing="0" cellpadding="0"> |
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<tr valign="top" align="left"> |
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<td width="10%"></td><td width="90%"> |
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Turkmen</td></table> |
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|
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<table width="100%" border=0 rules="none" frame="void" |
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cols="2" cellspacing="0" cellpadding="0"> |
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<tr valign="top" align="left"> |
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<td width="21%"></td><td width="79%"> |
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TDS565</td></table> |
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|
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<table width="100%" border=0 rules="none" frame="void" |
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cols="2" cellspacing="0" cellpadding="0"> |
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<tr valign="top" align="left"> |
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<td width="10%"></td><td width="90%"> |
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Platform specifics</td></table> |
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|
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<table width="100%" border=0 rules="none" frame="void" |
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cols="2" cellspacing="0" cellpadding="0"> |
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<tr valign="top" align="left"> |
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<td width="21%"></td><td width="79%"> |
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RISCOS-LATIN1</td></table> |
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|
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<table width="100%" border=0 rules="none" frame="void" |
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cols="2" cellspacing="0" cellpadding="0"> |
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<tr valign="top" align="left"> |
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<td width="10%"></td><td width="90%"> |
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The empty encoding name "" is equivalent to |
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"char": it denotes the locale dependent character |
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encoding.</td></table> |
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|
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<table width="100%" border=0 rules="none" frame="void" |
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cols="2" cellspacing="0" cellpadding="0"> |
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<tr valign="top" align="left"> |
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<td width="10%"></td><td width="90%"> |
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When the string "//TRANSLIT" is appended to |
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<i>tocode</i>, transliteration is activated. This means that |
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when a character cannot be represented in the target |
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character set, it can be approximated through one or several |
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similarly looking characters.</td></table> |
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|
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<table width="100%" border=0 rules="none" frame="void" |
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cols="2" cellspacing="0" cellpadding="0"> |
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<tr valign="top" align="left"> |
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<td width="10%"></td><td width="90%"> |
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When the string "//IGNORE" is appended to |
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<i>tocode</i>, characters that cannot be represented in the |
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target character set will be silently |
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discarded.</td></table> |
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|
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<table width="100%" border=0 rules="none" frame="void" |
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cols="2" cellspacing="0" cellpadding="0"> |
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<tr valign="top" align="left"> |
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<td width="10%"></td><td width="90%"> |
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The resulting conversion descriptor can be used with |
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<b>iconv</b> any number of times. It remains valid until |
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deallocated using <b>iconv_close</b>.</td></table> |
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|
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<table width="100%" border=0 rules="none" frame="void" |
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cols="2" cellspacing="0" cellpadding="0"> |
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<tr valign="top" align="left"> |
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<td width="10%"></td><td width="90%"> |
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A conversion descriptor contains a conversion state. After |
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creation using <b>iconv_open</b>, the state is in the |
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initial state. Using <b>iconv</b> modifies the descriptor's |
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conversion state. (This implies that a conversion descriptor |
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can not be used in multiple threads simultaneously.) To |
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bring the state back to the initial state, use <b>iconv</b> |
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with NULL as <i>inbuf</i> argument.</td></table> |
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<a name="RETURN VALUE"></a> |
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<h2>RETURN VALUE</h2> |
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|
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<table width="100%" border=0 rules="none" frame="void" |
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cols="2" cellspacing="0" cellpadding="0"> |
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<tr valign="top" align="left"> |
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<td width="10%"></td><td width="90%"> |
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The <b>iconv_open</b> function returns a freshly allocated |
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conversion descriptor. In case of error, it sets |
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<b>errno</b> and returns (iconv_t)(-1).</td></table> |
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<a name="ERRORS"></a> |
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<h2>ERRORS</h2> |
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|
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<table width="100%" border=0 rules="none" frame="void" |
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cols="2" cellspacing="0" cellpadding="0"> |
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<tr valign="top" align="left"> |
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<td width="10%"></td><td width="90%"> |
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The following error can occur, among others:</td></table> |
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|
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<table width="100%" border=0 rules="none" frame="void" |
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cols="2" cellspacing="0" cellpadding="0"> |
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<tr valign="top" align="left"> |
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<td width="10%"></td><td width="90%"> |
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<b>EINVAL</b></td></table> |
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|
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<table width="100%" border=0 rules="none" frame="void" |
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cols="2" cellspacing="0" cellpadding="0"> |
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<tr valign="top" align="left"> |
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<td width="21%"></td><td width="79%"> |
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The conversion from <i>fromcode</i> to <i>tocode</i> is not |
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supported by the implementation.</td></table> |
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<a name="CONFORMING TO"></a> |
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<h2>CONFORMING TO</h2> |
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|
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<table width="100%" border=0 rules="none" frame="void" |
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cols="2" cellspacing="0" cellpadding="0"> |
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<tr valign="top" align="left"> |
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<td width="10%"></td><td width="90%"> |
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UNIX98</td></table> |
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<a name="SEE ALSO"></a> |
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<h2>SEE ALSO</h2> |
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|
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<table width="100%" border=0 rules="none" frame="void" |
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cols="2" cellspacing="0" cellpadding="0"> |
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<tr valign="top" align="left"> |
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<td width="10%"></td><td width="90%"> |
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<b>iconv</b>(3), <b>iconv_close</b>(3)</td></table> |
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<hr>
|
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</body>
|
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</html>
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