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