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<title>Conversion interface</title>
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<div class=Section1>

<h1>International Collectanea for Unicode</h1>

<h1>Conversion interface</h1>

<p>Conversion interface is a set of C functions used to convert to and from
Unicode and various character sets/codepages. </p>

<h2>Important files:</h2>

<p>icu/source/common </p>

<ul type=disc>
 <li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
     mso-list:l1 level1 lfo1;tab-stops:list .5in'>ucnv_io.{c,h} : Low level
     implementation of the aliasing and other file access services.</li>
 <li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
     mso-list:l1 level1 lfo1;tab-stops:list .5in'>ucnv_bld.{c,h} :
     Implementation of the data structure.</li>
 <li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
     mso-list:l1 level1 lfo1;tab-stops:list .5in'>ucnv_cnv.{c,h} :
     Implementation of the conversion loop.</li>
 <li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
     mso-list:l1 level1 lfo1;tab-stops:list .5in'>ucnv.{c,h} : API
     implementation.</li>
 <li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
     mso-list:l1 level1 lfo1;tab-stops:list .5in'>ucnv_imp.h : internal
     functions.</li>
 <li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
     mso-list:l1 level1 lfo1;tab-stops:list .5in'>ucnv_err.{h,c} : sample
     implementation of error Callback Routines.</li>
 <li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
     mso-list:l1 level1 lfo1;tab-stops:list .5in'>convert.cpp : C++ wrapers of
     the conversion routines.</li>
</ul>

<p>Data files: icu/data </p>

<ul type=disc>
 <li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
     mso-list:l2 level1 lfo2;tab-stops:list .5in'>convrtrs.txt : Alias table
     used by the icu conversion routines for conversion data files.</li>
 <li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
     mso-list:l2 level1 lfo2;tab-stops:list .5in'>*.ucm : mapping tables.</li>
</ul>

<p>Tools : icu/source/tools/makeconv </p>

<ul type=disc>
 <li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
     mso-list:l3 level1 lfo3;tab-stops:list .5in'>makeconv.c : Tool that
     compiles the .ucm files in a format that ICU understands (.cnv files)</li>
</ul>

<p>Files that are used but not part of conversion per se (i.e. used by other
parts of the ICU): icu/source/common </p>

<ul type=disc>
 <li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
     mso-list:l0 level1 lfo4;tab-stops:list .5in'>ucmp8.{c,h} : compact array
     (array with compressed array for 8 bits char).</li>
 <li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
     mso-list:l0 level1 lfo4;tab-stops:list .5in'>ucmp16.{c,h} : compact array
     (array with compressed array for 16 bits char).</li>
 <li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
     mso-list:l0 level1 lfo4;tab-stops:list .5in'>uhash.{c,h} : hashtable
     implementation.</li>
</ul>

<p>&nbsp;</p>

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