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feat(i18n): 添加多语言支持功能
- 新增国际化系统，支持中英文切换 - 添加语言选择对话框和语言切换按钮回调 - 扩展配置系统以支持语言设置存储 - 创建语言文件目录结构和占位文件 - 更新主窗口支持UI文本动态刷新
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<!-- Creator : groff version 1.22.3 -->
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
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"http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<head>
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<meta name="generator" content="groff -Thtml, see www.gnu.org">
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<meta http-equiv="Content-Type" content="text/html; charset=US-ASCII">
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<meta name="Content-Style" content="text/css">
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<style type="text/css">
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p { margin-top: 0; margin-bottom: 0; vertical-align: top }
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pre { margin-top: 0; margin-bottom: 0; vertical-align: top }
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table { margin-top: 0; margin-bottom: 0; vertical-align: top }
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h1 { text-align: center }
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</style>
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<title>ICONVCTL</title>
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</head>
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<body>
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<h1 align="center">ICONVCTL</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="#REQUEST VALUES">REQUEST VALUES</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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<h2>NAME
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<a name="NAME"></a>
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</h2>
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<p style="margin-left:11%; margin-top: 1em">iconvctl
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− control iconv behavior</p>
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<h2>SYNOPSIS
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<a name="SYNOPSIS"></a>
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</h2>
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<p style="margin-left:11%; margin-top: 1em"><b>#include
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<iconv.h></b></p>
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<p style="margin-left:11%; margin-top: 1em"><b>int iconvctl
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(iconv_t</b> <i>cd</i> <b>, int</b> <i>request</i><b>, void
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*</b> <i>argument</i><b>);</b></p>
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<h2>DESCRIPTION
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<a name="DESCRIPTION"></a>
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</h2>
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<p style="margin-left:11%; margin-top: 1em">The argument
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<i>cd</i> must be a conversion descriptor created using the
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function <b>iconv_open</b>.</p>
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<p style="margin-left:11%; margin-top: 1em"><b>iconvctl</b>
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queries or adjusts the behavior of the <b>iconv</b>
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function, when invoked with the specified conversion
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descriptor, depending on the request value.</p>
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<h2>REQUEST VALUES
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<a name="REQUEST VALUES"></a>
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</h2>
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<p style="margin-left:11%; margin-top: 1em">The following
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are permissible values for the <i>request</i> parameter.
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<b><br>
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ICONV_TRIVIALP</b></p>
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<p style="margin-left:22%;"><i>argument</i> should be an
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<b>int *</b> which will receive 1 if the conversion is
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trivial, or 0 otherwise.</p>
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<p style="margin-left:11%;"><b>ICONV_GET_TRANSLITERATE</b></p>
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<p style="margin-left:22%;"><i>argument</i> should be an
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<b>int *</b> which will receive 1 if transliteration is
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enabled in the conversion, or 0 otherwise.</p>
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<p style="margin-left:11%;"><b>ICONV_SET_TRANSLITERATE</b></p>
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<p style="margin-left:22%;"><i>argument</i> should be a
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<b>const int *</b>, pointing to an <b>int</b> value. A
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non-zero value is used to enable transliteration in the
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conversion. A zero value disables it.</p>
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<p style="margin-left:11%;"><b>ICONV_GET_DISCARD_INVALID</b></p>
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<p style="margin-left:22%;"><i>argument</i> should be an
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<b>int *</b> which will receive 1 if "discard invalid
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multibyte sequence from the input and continue" is
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enabled in the conversion, or 0 otherwise.</p>
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<p style="margin-left:11%;"><b>ICONV_SET_DISCARD_INVALID</b></p>
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<p style="margin-left:22%;"><i>argument</i> should be a
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<b>const int *</b>, pointing to an <b>int</b> value. A
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non-zero value is used to enable "discard invalid
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multibyte sequence from the input and continue" in the
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conversion. A zero value disables it.</p>
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<p style="margin-left:11%;"><b>ICONV_GET_DISCARD_NON_IDENTICAL</b></p>
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<p style="margin-left:22%;"><i>argument</i> should be an
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<b>int *</b> which will receive 1 if "discard character
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that cannot be represented in the target character set and
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continue" is enabled in the conversion, or 0
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otherwise.</p>
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<p style="margin-left:11%;"><b>ICONV_SET_DISCARD_NON_IDENTICAL</b></p>
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<p style="margin-left:22%;"><i>argument</i> should be a
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<b>const int *</b>, pointing to an <b>int</b> value. A
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non-zero value is used to enable "discard character
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that cannot be represented in the target character set and
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continue" in the conversion. A zero value disables
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it.</p>
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<p style="margin-left:11%;"><b>ICONV_GET_DISCARD_ILSEQ</b></p>
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<p style="margin-left:22%;"><i>argument</i> should be an
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<b>int *</b> which will receive 1 if both
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"discard" behaviours are enabled in the
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conversion, or 0 otherwise.</p>
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<p style="margin-left:11%;"><b>ICONV_SET_DISCARD_ILSEQ</b></p>
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<p style="margin-left:22%;"><i>argument</i> should be a
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<b>const int *</b>, pointing to an <b>int</b> value. A
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non-zero value is used to enable both "discard"
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behaviours in the conversion. A zero value disables
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them.</p>
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<p style="margin-left:11%;"><b>ICONV_GET_FROM_SURFACE</b></p>
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<p style="margin-left:22%;"><i>argument</i> should be an
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<b>unsigned int *</b> which will receive the from-side
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(input side) surface of the conversion.</p>
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<p style="margin-left:11%;"><b>ICONV_SET_FROM_SURFACE</b></p>
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<p style="margin-left:22%;"><i>argument</i> should be a
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<b>const unsigned int *</b>, pointing to an <b>unsigned
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int</b> value. This value is installed as the from-side
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(input side) surface of the conversion. The value is a bit
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mask. Zero denotes no surface. The value
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<b>ICONV_SURFACE_EBCDIC_ZOS_UNIX</b> has an effect on EBCDIC
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encodings: The EBCDIC newline 0x15 will get mapped to LF
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instead of NEL.</p>
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<p style="margin-left:11%;"><b>ICONV_GET_TO_SURFACE</b></p>
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<p style="margin-left:22%;"><i>argument</i> should be an
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<b>unsigned int *</b> which will receive the to-side (output
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side) surface of the conversion.</p>
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<p style="margin-left:11%;"><b>ICONV_SET_TO_SURFACE</b></p>
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<p style="margin-left:22%;"><i>argument</i> should be a
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<b>const unsigned int *</b>, pointing to an <b>unsigned
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int</b> value. This value is installed as the to-side
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(output side) surface of the conversion. The value is a bit
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mask. Zero denotes no surface. The value
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<b>ICONV_SURFACE_EBCDIC_ZOS_UNIX</b> has an effect on EBCDIC
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encodings: LF, instead of NEL, will get mapped to the EBCDIC
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newline 0x15.</p>
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<h2>RETURN VALUE
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<a name="RETURN VALUE"></a>
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</h2>
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<p style="margin-left:11%; margin-top: 1em">The
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<b>iconvctl</b> function returns 0 if it succeeds. In case
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of error, it sets <b>errno</b> and returns −1.</p>
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<h2>ERRORS
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<a name="ERRORS"></a>
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</h2>
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<p style="margin-left:11%; margin-top: 1em">The following
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errors can occur, among others:</p>
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<table width="100%" border="0" rules="none" frame="void"
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cellspacing="0" cellpadding="0">
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<tr valign="top" align="left">
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<td width="11%"></td>
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<td width="9%">
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<p><b>EINVAL</b></p></td>
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<td width="2%"></td>
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<td width="35%">
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<p>The request is invalid.</p></td>
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<td width="43%">
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</td></tr>
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</table>
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<h2>CONFORMING TO
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<a name="CONFORMING TO"></a>
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</h2>
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<p style="margin-left:11%; margin-top: 1em">This function
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is implemented only in GNU libiconv and not in other
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<b>iconv</b> implementations. It is not backed by a
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standard. You can test for its presence through
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<b>(_LIBICONV_VERSION >= 0x0108)</b>.</p>
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<h2>SEE ALSO
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<a name="SEE ALSO"></a>
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</h2>
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<p style="margin-left:11%; margin-top: 1em"><b>iconv_open</b>(3)
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<b>iconv</b>(3)</p>
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<hr>
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</body>
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</html>
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