| [1166] | 1 | <!-- Creator : groff version 1.22.3 -->
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| 4 | <html>
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| 11 | pre { margin-top: 0; margin-bottom: 0; vertical-align: top }
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| 12 | table { margin-top: 0; margin-bottom: 0; vertical-align: top }
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| 13 | h1 { text-align: center }
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| 14 | </style>
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| 15 | <title>ICONVCTL</title>
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| 16 |
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| 17 | </head>
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| 18 | <body>
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| 19 |
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| 20 | <h1 align="center">ICONVCTL</h1>
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| 21 |
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| 22 | <a href="#NAME">NAME</a><br>
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| 23 | <a href="#SYNOPSIS">SYNOPSIS</a><br>
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| 24 | <a href="#DESCRIPTION">DESCRIPTION</a><br>
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| 25 | <a href="#REQUEST VALUES">REQUEST VALUES</a><br>
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| 26 | <a href="#RETURN VALUE">RETURN VALUE</a><br>
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| 27 | <a href="#ERRORS">ERRORS</a><br>
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| 28 | <a href="#CONFORMING TO">CONFORMING TO</a><br>
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| 29 | <a href="#SEE ALSO">SEE ALSO</a><br>
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| 30 |
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| 31 | <hr>
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| 32 |
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| 33 |
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| 34 | <h2>NAME
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| 35 | <a name="NAME"></a>
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| 36 | </h2>
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| 37 |
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| 38 |
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| 39 | <p style="margin-left:11%; margin-top: 1em">iconvctl
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| 40 | − control iconv behavior</p>
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| 41 |
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| 42 | <h2>SYNOPSIS
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| 43 | <a name="SYNOPSIS"></a>
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| 44 | </h2>
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| 45 |
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| 46 |
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| 47 | <p style="margin-left:11%; margin-top: 1em"><b>#include
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| 48 | <iconv.h></b></p>
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| 49 |
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| 50 | <p style="margin-left:11%; margin-top: 1em"><b>int iconvctl
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| 51 | (iconv_t</b> <i>cd</i> <b>, int</b> <i>request</i><b>, void
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| 52 | *</b> <i>argument</i><b>);</b></p>
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| 53 |
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| 54 | <h2>DESCRIPTION
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| 55 | <a name="DESCRIPTION"></a>
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| 56 | </h2>
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| 57 |
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| 58 |
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| 59 | <p style="margin-left:11%; margin-top: 1em">The argument
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| 60 | <i>cd</i> must be a conversion descriptor created using the
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| 61 | function <b>iconv_open</b>.</p>
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| 62 |
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| 63 |
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| 64 | <p style="margin-left:11%; margin-top: 1em"><b>iconvctl</b>
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| 65 | queries or adjusts the behavior of the <b>iconv</b>
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| 66 | function, when invoked with the specified conversion
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| 67 | descriptor, depending on the request value.</p>
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| 68 |
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| 69 | <h2>REQUEST VALUES
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| 70 | <a name="REQUEST VALUES"></a>
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| 71 | </h2>
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| 72 |
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| 73 |
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| 74 | <p style="margin-left:11%; margin-top: 1em">The following
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| 75 | are permissible values for the <i>request</i> parameter.
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| 76 | <b><br>
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| 77 | ICONV_TRIVIALP</b></p>
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| 78 |
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| 79 | <p style="margin-left:22%;"><i>argument</i> should be an
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| 80 | <b>int *</b> which will receive 1 if the conversion is
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| 81 | trivial, or 0 otherwise.</p>
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| 82 |
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| 83 |
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| 84 | <p style="margin-left:11%;"><b>ICONV_GET_TRANSLITERATE</b></p>
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| 85 |
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| 86 | <p style="margin-left:22%;"><i>argument</i> should be an
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| 87 | <b>int *</b> which will receive 1 if transliteration is
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| 88 | enabled in the conversion, or 0 otherwise.</p>
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| 89 |
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| 90 |
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| 91 | <p style="margin-left:11%;"><b>ICONV_SET_TRANSLITERATE</b></p>
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| 92 |
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| 93 | <p style="margin-left:22%;"><i>argument</i> should be a
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| 94 | <b>const int *</b>, pointing to an <b>int</b> value. A
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| 95 | non-zero value is used to enable transliteration in the
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| 96 | conversion. A zero value disables it.</p>
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| 97 |
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| 98 |
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| 99 | <p style="margin-left:11%;"><b>ICONV_GET_DISCARD_ILSEQ</b></p>
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| 100 |
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| 101 | <p style="margin-left:22%;"><i>argument</i> should be an
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| 102 | <b>int *</b> which will receive 1 if "illegal sequence
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| 103 | discard and continue" is enabled in the conversion, or
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| 104 | 0 otherwise.</p>
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| 105 |
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| 106 |
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| 107 | <p style="margin-left:11%;"><b>ICONV_SET_DISCARD_ILSEQ</b></p>
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| 108 |
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| 109 | <p style="margin-left:22%;"><i>argument</i> should be a
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| 110 | <b>const int *</b>, pointing to an <b>int</b> value. A
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| 111 | non-zero value is used to enable "illegal sequence
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| 112 | discard and continue" in the conversion. A zero value
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| 113 | disables it.</p>
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| 114 |
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| 115 | <h2>RETURN VALUE
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| 116 | <a name="RETURN VALUE"></a>
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| 117 | </h2>
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| 118 |
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| 119 |
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| 120 | <p style="margin-left:11%; margin-top: 1em">The
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| 121 | <b>iconvctl</b> function returns 0 if it succeeds. In case
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| 122 | of error, it sets <b>errno</b> and returns −1.</p>
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| 123 |
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| 124 | <h2>ERRORS
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| 125 | <a name="ERRORS"></a>
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| 126 | </h2>
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| 127 |
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| 128 |
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| 129 | <p style="margin-left:11%; margin-top: 1em">The following
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| 130 | errors can occur, among others:</p>
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| 131 |
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| 132 | <table width="100%" border="0" rules="none" frame="void"
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| 133 | cellspacing="0" cellpadding="0">
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| 134 | <tr valign="top" align="left">
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| 135 | <td width="11%"></td>
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| 136 | <td width="9%">
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| 137 |
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| 138 |
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| 139 | <p><b>EINVAL</b></p></td>
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| 140 | <td width="2%"></td>
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| 141 | <td width="35%">
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| 142 |
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| 143 |
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| 144 | <p>The request is invalid.</p></td>
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| 145 | <td width="43%">
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| 146 | </td></tr>
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| 147 | </table>
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| 148 |
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| 149 | <h2>CONFORMING TO
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| 150 | <a name="CONFORMING TO"></a>
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| 151 | </h2>
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| 152 |
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| 153 |
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| 154 | <p style="margin-left:11%; margin-top: 1em">This function
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| 155 | is implemented only in GNU libiconv and not in other
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| 156 | <b>iconv</b> implementations. It is not backed by a
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| 157 | standard. You can test for its presence through
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| 158 | <b>(_LIBICONV_VERSION >= 0x0108)</b>.</p>
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| 159 |
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| 160 | <h2>SEE ALSO
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| 161 | <a name="SEE ALSO"></a>
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| 162 | </h2>
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| 163 |
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| 164 |
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| 165 |
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| 166 | <p style="margin-left:11%; margin-top: 1em"><b>iconv_open</b>(3)
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| 167 | <b>iconv</b>(3)</p>
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| 168 | <hr>
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| 169 | </body>
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| 170 | </html>
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