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<!-- Creator : groff version 1.20.1 --> <!-- CreationDate: Sun Aug 7 19:49:14 2011 --> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta name="generator" content="groff -Thtml, see www.gnu.org"> <meta http-equiv="Content-Type" content="text/html; charset=US-ASCII"> <meta name="Content-Style" content="text/css"> <style type="text/css"> p { margin-top: 0; margin-bottom: 0; vertical-align: top } pre { margin-top: 0; margin-bottom: 0; vertical-align: top } table { margin-top: 0; margin-bottom: 0; vertical-align: top } h1 { text-align: center } </style> <title>ICONV_OPEN</title> </head> <body> <h1 align="center">ICONV_OPEN</h1> <a href="#NAME">NAME</a><br> <a href="#SYNOPSIS">SYNOPSIS</a><br> <a href="#DESCRIPTION">DESCRIPTION</a><br> <a href="#RETURN VALUE">RETURN VALUE</a><br> <a href="#ERRORS">ERRORS</a><br> <a href="#CONFORMING TO">CONFORMING TO</a><br> <a href="#SEE ALSO">SEE ALSO</a><br> <hr> <h2>NAME <a name="NAME"></a> </h2> <p style="margin-left:11%; margin-top: 1em">iconv_open − allocate descriptor for character set conversion</p> <h2>SYNOPSIS <a name="SYNOPSIS"></a> </h2> <p style="margin-left:11%; margin-top: 1em"><b>#include <iconv.h></b></p> <p style="margin-left:11%; margin-top: 1em"><b>iconv_t iconv_open (const char*</b> <i>tocode</i><b>, const char*</b> <i>fromcode</i><b>);</b></p> <h2>DESCRIPTION <a name="DESCRIPTION"></a> </h2> <p style="margin-left:11%; margin-top: 1em">The <b>iconv_open</b> function allocates a conversion descriptor suitable for converting byte sequences from character encoding <i>fromcode</i> to character encoding <i>tocode</i>.</p> <p style="margin-left:11%; margin-top: 1em">The values permitted for <i>fromcode</i> and <i>tocode</i> and the supported combinations are system dependent. For the libiconv library, the following encodings are supported, in all combinations. <br> European languages</p> <p style="margin-left:22%;">ASCII, ISO−8859−{1,2,3,4,5,7,9,10,13,14,15,16}, KOI8−R, KOI8−U, KOI8−RU, CP{1250,1251,1252,1253,1254,1257}, CP{850,866,1131}, Mac{Roman,CentralEurope,Iceland,Croatian,Romania}, Mac{Cyrillic,Ukraine,Greek,Turkish}, Macintosh</p> <p style="margin-left:11%;">Semitic languages</p> <p style="margin-left:22%;">ISO−8859−{6,8}, CP{1255,1256}, CP862, Mac{Hebrew,Arabic}</p> <p style="margin-left:11%;">Japanese</p> <p style="margin-left:22%;">EUC−JP, SHIFT_JIS, CP932, ISO−2022−JP, ISO−2022−JP−2, ISO−2022−JP−1</p> <p style="margin-left:11%;">Chinese</p> <p style="margin-left:22%;">EUC−CN, HZ, GBK, CP936, GB18030, EUC−TW, BIG5, CP950, BIG5−HKSCS, BIG5−HKSCS:2004, BIG5−HKSCS:2001, BIG5−HKSCS:1999, ISO−2022−CN, ISO−2022−CN−EXT</p> <table width="100%" border="0" rules="none" frame="void" cellspacing="0" cellpadding="0"> <tr valign="top" align="left"> <td width="11%"></td> <td width="9%"> <p>Korean</p></td> <td width="2%"></td> <td width="50%"> <p>EUC−KR, CP949, ISO−2022−KR, JOHAB</p></td> <td width="28%"> </td></tr> </table> <p style="margin-left:11%;">Armenian</p> <p style="margin-left:22%;">ARMSCII−8</p> <p style="margin-left:11%;">Georgian</p> <p style="margin-left:22%;">Georgian−Academy, Georgian−PS</p> <table width="100%" border="0" rules="none" frame="void" cellspacing="0" cellpadding="0"> <tr valign="top" align="left"> <td width="11%"></td> <td width="9%"> <p>Tajik</p></td> <td width="2%"></td> <td width="35%"> <p>KOI8−T</p></td> <td width="43%"> </td></tr> <tr valign="top" align="left"> <td width="11%"></td> <td width="9%"> <p>Kazakh</p></td> <td width="2%"></td> <td width="35%"> <p>PT154, RK1048</p></td> <td width="43%"> </td></tr> <tr valign="top" align="left"> <td width="11%"></td> <td width="9%"> <p>Thai</p></td> <td width="2%"></td> <td width="35%"> <p>TIS−620, CP874, MacThai</p></td> <td width="43%"> </td></tr> </table> <p style="margin-left:11%;">Laotian</p> <p style="margin-left:22%;">MuleLao−1, CP1133</p> <p style="margin-left:11%;">Vietnamese</p> <p style="margin-left:22%;">VISCII, TCVN, CP1258</p> <p style="margin-left:11%;">Platform specifics</p> <p style="margin-left:22%;">HP−ROMAN8, NEXTSTEP</p> <p style="margin-left:11%;">Full Unicode</p> <p style="margin-left:22%;">UTF−8 <br> UCS−2, UCS−2BE, UCS−2LE <br> UCS−4, UCS−4BE, UCS−4LE <br> UTF−16, UTF−16BE, UTF−16LE <br> UTF−32, UTF−32BE, UTF−32LE <br> UTF−7 <br> C99, JAVA</p> <p style="margin-left:11%;">Full Unicode, in terms of <b>uint16_t</b> or <b>uint32_t</b></p> <p style="margin-left:22%;">(with machine dependent endianness and alignment) <br> UCS−2−INTERNAL, UCS−4−INTERNAL</p> <p style="margin-left:11%;">Locale dependent, in terms of <b>char</b> or <b>wchar_t</b></p> <p style="margin-left:22%;">(with machine dependent endianness and alignment, and with semantics depending on the OS and the current LC_CTYPE locale facet) <br> char, wchar_t</p> <p style="margin-left:11%; margin-top: 1em">When configured with the option <b>−−enable−extra−encodings</b>, it also provides support for a few extra encodings: <br> European languages</p> <p style="margin-left:22%;">CP{437,737,775,852,853,855,857,858,860,861,863,865,869,1125}</p> <p style="margin-left:11%;">Semitic languages</p> <p style="margin-left:22%;">CP864</p> <p style="margin-left:11%;">Japanese</p> <p style="margin-left:22%;">EUC−JISX0213, Shift_JISX0213, ISO−2022−JP−3</p> <p style="margin-left:11%;">Chinese</p> <p style="margin-left:22%;">BIG5−2003 (experimental)</p> <p style="margin-left:11%;">Turkmen</p> <p style="margin-left:22%;">TDS565</p> <p style="margin-left:11%;">Platform specifics</p> <p style="margin-left:22%;">ATARIST, RISCOS−LATIN1</p> <p style="margin-left:11%; margin-top: 1em">The empty encoding name "" is equivalent to "char": it denotes the locale dependent character encoding.</p> <p style="margin-left:11%; margin-top: 1em">When the string "//TRANSLIT" is appended to <i>tocode</i>, transliteration is activated. This means that when a character cannot be represented in the target character set, it can be approximated through one or several characters that look similar to the original character.</p> <p style="margin-left:11%; margin-top: 1em">When the string "//IGNORE" is appended to <i>tocode</i>, characters that cannot be represented in the target character set will be silently discarded.</p> <p style="margin-left:11%; margin-top: 1em">The resulting conversion descriptor can be used with <b>iconv</b> any number of times. It remains valid until deallocated using <b>iconv_close</b>.</p> <p style="margin-left:11%; margin-top: 1em">A conversion descriptor contains a conversion state. After creation using <b>iconv_open</b>, the state is in the initial state. Using <b>iconv</b> modifies the descriptor’s conversion state. (This implies that a conversion descriptor can not be used in multiple threads simultaneously.) To bring the state back to the initial state, use <b>iconv</b> with NULL as <i>inbuf</i> argument.</p> <h2>RETURN VALUE <a name="RETURN VALUE"></a> </h2> <p style="margin-left:11%; margin-top: 1em">The <b>iconv_open</b> function returns a freshly allocated conversion descriptor. In case of error, it sets <b>errno</b> and returns (iconv_t)(−1).</p> <h2>ERRORS <a name="ERRORS"></a> </h2> <p style="margin-left:11%; margin-top: 1em">The following error can occur, among others:</p> <table width="100%" border="0" rules="none" frame="void" cellspacing="0" cellpadding="0"> <tr valign="top" align="left"> <td width="11%"></td> <td width="9%"> <p><b>EINVAL</b></p></td> <td width="2%"></td> <td width="78%"> <p>The conversion from <i>fromcode</i> to <i>tocode</i> is not supported by the implementation.</p></td></tr> </table> <h2>CONFORMING TO <a name="CONFORMING TO"></a> </h2> <p style="margin-left:11%; margin-top: 1em">POSIX:2001</p> <h2>SEE ALSO <a name="SEE ALSO"></a> </h2> <p style="margin-left:11%; margin-top: 1em"><b>iconv</b>(3) <b>iconvctl</b>(3) <b>iconv_close</b>(3)</p> <hr> </body> </html>