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-<title>ICONV</title>
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-
-<h1 align=center>ICONV</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>
-
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-<a name="NAME"></a>
-<h2>NAME</h2>
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-<p>iconv − perform character set conversion</p>
-</td>
-</table>
-<a name="SYNOPSIS"></a>
-<h2>SYNOPSIS</h2>
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-<pre><b>#include <iconv.h>
-
-size_t iconv (iconv_t</b> <i>cd</i><b>,
- const char* *</b> <i>inbuf</i><b>, size_t *</b> <i>inbytesleft</i><b>,
- char* *</b> <i>outbuf</i><b>, size_t *</b> <i>outbytesleft</i><b>);
-</b></pre>
-</td>
-</table>
-<a name="DESCRIPTION"></a>
-<h2>DESCRIPTION</h2>
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-<p>The argument <i>cd</i> must be a conversion descriptor
-created using the function <b>iconv_open</b>.</p>
-<!-- INDENTATION -->
-<p>The main case is when <i>inbuf</i> is not NULL and
-<i>*inbuf</i> is not NULL. In this case, the <b>iconv</b>
-function converts the multibyte sequence starting at
-<i>*inbuf</i> to a multibyte sequence starting at
-<i>*outbuf</i>. At most <i>*inbytesleft</i> bytes, starting
-at <i>*inbuf</i>, will be read. At most <i>*outbytesleft</i>
-bytes, starting at <i>*outbuf</i>, will be written.</p>
-<!-- INDENTATION -->
-<p>The <b>iconv</b> function converts one multibyte
-character at a time, and for each character conversion it
-increments <i>*inbuf</i> and decrements <i>*inbytesleft</i>
-by the number of converted input bytes, it increments
-<i>*outbuf</i> and decrements <i>*outbytesleft</i> by the
-number of converted output bytes, and it updates the
-conversion state contained in <i>cd</i>. If the character
-encoding of the input is stateful, the <b>iconv</b> function
-can also convert a sequence of input bytes to an update of
-the conversion state without producing any output bytes;
-such input is called a <i>shift sequence</i>. The conversion
-can stop for four reasons:</p>
-<!-- INDENTATION -->
-<p>1. An invalid multibyte sequence is encountered in the
-input. In this case it sets <b>errno</b> to <b>EILSEQ</b>
-and returns (size_t)(−1). <i>*inbuf</i> is left
-pointing to the beginning of the invalid multibyte
-sequence.</p>
-<!-- INDENTATION -->
-<p>2. The input byte sequence has been entirely converted,
-i.e. <i>*inbytesleft</i> has gone down to 0. In this case
-<b>iconv</b> returns the number of non-reversible
-conversions performed during this call.</p>
-<!-- INDENTATION -->
-<p>3. An incomplete multibyte sequence is encountered in the
-input, and the input byte sequence terminates after it. In
-this case it sets <b>errno</b> to <b>EINVAL</b> and returns
-(size_t)(−1). <i>*inbuf</i> is left pointing to the
-beginning of the incomplete multibyte sequence.</p>
-<!-- INDENTATION -->
-<p>4. The output buffer has no more room for the next
-converted character. In this case it sets <b>errno</b> to
-<b>E2BIG</b> and returns (size_t)(−1).</p>
-<!-- INDENTATION -->
-<p>A different case is when <i>inbuf</i> is NULL or
-<i>*inbuf</i> is NULL, but <i>outbuf</i> is not NULL and
-<i>*outbuf</i> is not NULL. In this case, the <b>iconv</b>
-function attempts to set <i>cd</i>’s conversion state
-to the initial state and store a corresponding shift
-sequence at <i>*outbuf</i>. At most <i>*outbytesleft</i>
-bytes, starting at <i>*outbuf</i>, will be written. If the
-output buffer has no more room for this reset sequence, it
-sets <b>errno</b> to <b>E2BIG</b> and returns
-(size_t)(−1). Otherwise it increments <i>*outbuf</i>
-and decrements <i>*outbytesleft</i> by the number of bytes
-written.</p>
-<!-- INDENTATION -->
-<p>A third case is when <i>inbuf</i> is NULL or
-<i>*inbuf</i> is NULL, and <i>outbuf</i> is NULL or
-<i>*outbuf</i> is NULL. In this case, the <b>iconv</b>
-function sets <i>cd</i>’s conversion state to the
-initial state.</p>
-</td>
-</table>
-<a name="RETURN VALUE"></a>
-<h2>RETURN VALUE</h2>
-<!-- INDENTATION -->
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-<td width="89%">
-<p>The <b>iconv</b> function returns the number of
-characters converted in a non-reversible way during this
-call; reversible conversions are not counted. In case of
-error, it sets <b>errno</b> and returns
-(size_t)(−1).</p>
-</td>
-</table>
-<a name="ERRORS"></a>
-<h2>ERRORS</h2>
-<!-- INDENTATION -->
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-<p>The following errors can occur, among others:</p>
-</td>
-</table>
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-<td width="10%">
-
-<p><b>E2BIG</b></p>
-</td>
-<td width="77%">
-
-<p>There is not sufficient room at <i>*outbuf</i>.</p>
-</td>
-<tr valign="top" align="left">
-<td width="11%"></td>
-<td width="10%">
-
-<p><b>EILSEQ</b></p>
-</td>
-<td width="77%">
-
-<p>An invalid multibyte sequence has been encountered in
-the input.</p>
-</td>
-<tr valign="top" align="left">
-<td width="11%"></td>
-<td width="10%">
-
-<p><b>EINVAL</b></p>
-</td>
-<td width="77%">
-
-<p>An incomplete multibyte sequence has been encountered in
-the input.</p>
-</td>
-</table>
-<a name="CONFORMING TO"></a>
-<h2>CONFORMING TO</h2>
-<!-- INDENTATION -->
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-<td width="89%">
-<p>POSIX:2001</p>
-</td>
-</table>
-<a name="SEE ALSO"></a>
-<h2>SEE ALSO</h2>
-<!-- INDENTATION -->
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-<td width="10%"></td>
-<td width="89%">
-<p><b>iconv_open</b>(3), <b>iconvctl</b>(3)
-<b>iconv_close</b>(3)</p>
-</td>
-</table>
-<hr>
-</body>
-</html>
projects / vuplus_xbmc / blobdiff