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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <meta http-equiv="X-UA-Compatible" content="IE=9"/> <meta name="generator" content="Doxygen 1.9.1"/> <meta name="viewport" content="width=device-width, initial-scale=1"/> <title>ICU 77.1: Main Page</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript" src="dynsections.js"></script> <link href="search/search.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="search/searchdata.js"></script> <script type="text/javascript" src="search/search.js"></script> <link href="doxygen.css" rel="stylesheet" type="text/css" /> </head> <body> <div id="top"><!-- do not remove this div, it is closed by doxygen! --> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;"> <td id="projectalign" style="padding-left: 0.5em;"> <div id="projectname">ICU 77.1  <span id="projectnumber">77.1</span> </div> </td> </tr> </tbody> </table> </div> <!-- end header part --> <!-- Generated by Doxygen 1.9.1 --> <script type="text/javascript"> /* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */ var searchBox = new SearchBox("searchBox", "search",false,'Search','.html'); /* @license-end */ </script> <script type="text/javascript" src="menudata.js"></script> <script type="text/javascript" src="menu.js"></script> <script type="text/javascript"> /* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */ $(function() { initMenu('',true,false,'search.php','Search'); $(document).ready(function() { init_search(); }); }); /* @license-end */</script> <div id="main-nav"></div> </div><!-- top --> <!-- window showing the filter options --> <div id="MSearchSelectWindow" onmouseover="return searchBox.OnSearchSelectShow()" onmouseout="return searchBox.OnSearchSelectHide()" onkeydown="return searchBox.OnSearchSelectKey(event)"> </div> <!-- iframe showing the search results (closed by default) --> <div id="MSearchResultsWindow"> <iframe src="javascript:void(0)" frameborder="0" name="MSearchResults" id="MSearchResults"> </iframe> </div> <div class="PageDoc"><div class="header"> <div class="headertitle"> <div class="title">ICU 77.1 Documentation</div> </div> </div><!--header--> <div class="contents"> <div class="textblock"><h1><a class="anchor" id="API"></a> API Reference Usage</h1> <h3>C++ Programmers:</h3> <p>Use <a href="hierarchy.html">Class Hierarchy</a> or <a href="classes.html">Alphabetical List </a> or <a href="annotated.html">Compound List</a> to find the class you are interested in. For example, to find BreakIterator, you can go to the <a href="classes.html">Alphabetical List</a>, then click on "BreakIterator". Once you are at the class, you will find an inheritance chart, a list of the public members, a detailed description of the class, then detailed member descriptions.</p> <h3>C Programmers:</h3> <p>Use <a href="#Module">Module List</a> or <a href="globals_u.html">File Members</a> to find a list of all the functions and constants. For example, to find BreakIterator functions you would click on <a href="files.html">File List</a>, then find "ubrk.h" and click on it. You will find descriptions of Defines, Typedefs, Enumerations, and Functions, with detailed descriptions below. If you want to find a specific function, such as <a class="el" href="ubrk_8h.html#aa0851c6d6403e5f87060a862dddf6b84" title="Advance the iterator to the boundary following the current boundary.">ubrk_next()</a>, then click first on <a href="globals.html">File Members</a>, then use your browser Find dialog to search for "ubrk_next()".</p> <h3>API References for Previous Releases</h3> <p>The API References for each release of ICU are also available as a zip file from the ICU <a href="https://icu.unicode.org/download">download page</a>.</p> <hr /> <h2>Architecture (User's Guide)</h2> <ul> <li> <a href="https://unicode-org.github.io/icu/userguide/">Introduction</a> </li> <li> <a href="https://unicode-org.github.io/icu/userguide/i18n">Internationalization</a> </li> <li> <a href="https://unicode-org.github.io/icu/userguide/design">Locale Model, Multithreading, Error Handling, etc.</a> </li> <li> <a href="https://unicode-org.github.io/icu/userguide/conversion">Conversion</a> </li> </ul> <hr /> <p> <h2><a NAME="Module">Module List</a></h2> </p><table border="1" cols="3" align="center"> <tr> <td><b>Module Name</b> </td><td><b>C</b> </td><td><b>C++</b> </td></tr> <tr> <td>Basic Types and Constants </td><td><a class="el" href="utypes_8h.html" title="Basic definitions for ICU, for both C and C++ APIs.">utypes.h</a> </td><td><a class="el" href="utypes_8h.html" title="Basic definitions for ICU, for both C and C++ APIs.">utypes.h</a> </td></tr> <tr> <td>Strings and Character Iteration </td><td><a class="el" href="ustring_8h.html" title="C API: Unicode string handling functions.">ustring.h</a>, <a class="el" href="utf8_8h.html" title="C API: 8-bit Unicode handling macros.">utf8.h</a>, <a class="el" href="utf16_8h.html" title="C API: 16-bit Unicode handling macros.">utf16.h</a>, <a class="el" href="classicu_1_1StringPiece.html" title="A string-like object that points to a sized piece of memory.">icu::StringPiece</a>, <a class="el" href="structUText.html" title="UText struct.">UText</a>, <a class="el" href="structUCharIterator.html" title="C API for code unit iteration.">UCharIterator</a>, <a class="el" href="classicu_1_1ByteSink.html" title="A ByteSink can be filled with bytes.">icu::ByteSink</a> </td><td><a class="el" href="classicu_1_1UnicodeString.html" title="UnicodeString is a string class that stores Unicode characters directly and provides similar function...">icu::UnicodeString</a>, <a class="el" href="classicu_1_1CharacterIterator.html" title="Abstract class that defines an API for iteration on text objects.">icu::CharacterIterator</a>, <a class="el" href="classicu_1_1Appendable.html" title="Base class for objects to which Unicode characters and strings can be appended.">icu::Appendable</a>, <a class="el" href="classicu_1_1StringPiece.html" title="A string-like object that points to a sized piece of memory.">icu::StringPiece</a>,<a class="el" href="classicu_1_1ByteSink.html" title="A ByteSink can be filled with bytes.">icu::ByteSink</a> </td></tr> <tr> <td>Unicode Character<br /> Properties and Names </td><td><a class="el" href="uchar_8h.html" title="C API: Unicode Properties.">uchar.h</a>, <a class="el" href="uscript_8h.html" title="C API: Unicode Script Information.">uscript.h</a> </td><td>C API </td></tr> <tr> <td>Sets of Unicode Code Points and Strings </td><td><a class="el" href="uset_8h.html" title="C API: Unicode Set.">uset.h</a> </td><td><a class="el" href="classicu_1_1UnicodeSet.html" title="A mutable set of Unicode characters and multicharacter strings.">icu::UnicodeSet</a> </td></tr> <tr> <td>Maps from Unicode Code Points to Integer Values </td><td><a class="el" href="ucptrie_8h.html" title="C API: This file defines an immutable Unicode code point trie.">ucptrie.h</a>, <a class="el" href="umutablecptrie_8h.html" title="C API: This file defines a mutable Unicode code point trie.">umutablecptrie.h</a> </td><td>C API </td></tr> <tr> <td>Maps from Strings to Integer Values </td><td>(no C API) </td><td><a class="el" href="classicu_1_1BytesTrie.html" title="Light-weight, non-const reader class for a BytesTrie.">icu::BytesTrie</a>, <a class="el" href="classicu_1_1UCharsTrie.html" title="Light-weight, non-const reader class for a UCharsTrie.">icu::UCharsTrie</a> </td></tr> <tr> <td>Codepage Conversion </td><td><a class="el" href="ucnv_8h.html" title="C API: Character conversion.">ucnv.h</a>, <a class="el" href="ucnvsel_8h.html" title="C API: Encoding/charset encoding selector.">ucnvsel.h</a> </td><td>C API </td></tr> <tr> <td>Codepage Detection </td><td><a class="el" href="ucsdet_8h.html" title="C API: Charset Detection API.">ucsdet.h</a> </td><td>C API </td></tr> <tr> <td>Unicode Text Compression </td><td><a class="el" href="ucnv_8h.html" title="C API: Character conversion.">ucnv.h</a><br /> (encoding name "SCSU" or "BOCU-1") </td><td>C API </td></tr> <tr> <td>Locales </td><td><a class="el" href="uloc_8h.html" title="C API: Locale ID functionality similar to C++ class Locale.">uloc.h</a>, <a class="el" href="ulocale_8h.html" title="C API: Locale ID functionality similar to C++ class Locale.">ulocale.h</a>, <a class="el" href="ulocbuilder_8h.html" title="C API: Builder API for Locale.">ulocbuilder.h</a> </td><td><a class="el" href="classicu_1_1Locale.html" title="A Locale object represents a specific geographical, political, or cultural region.">icu::Locale</a>, <a class="el" href="classicu_1_1LocaleBuilder.html" title="LocaleBuilder is used to build instances of Locale from values configured by the setters.">icu::LocaleBuilder</a>, <a class="el" href="classicu_1_1LocaleMatcher.html" title="Immutable class that picks the best match between a user's desired locales and an application's suppo...">icu::LocaleMatcher</a> </td></tr> <tr> <td>Resource Bundles </td><td><a class="el" href="ures_8h.html" title="C API: Resource Bundle.">ures.h</a> </td><td><a class="el" href="classicu_1_1ResourceBundle.html" title="A class representing a collection of resource information pertaining to a given locale.">icu::ResourceBundle</a> </td></tr> <tr> <td>Normalization </td><td><a class="el" href="unorm2_8h.html" title="C API: New API for Unicode Normalization.">unorm2.h</a> </td><td><a class="el" href="classicu_1_1Normalizer2.html" title="Unicode normalization functionality for standard Unicode normalization or for using custom mapping ta...">icu::Normalizer2</a> </td></tr> <tr> <td>Calendars and Time Zones </td><td><a class="el" href="ucal_8h.html" title="C API: Calendar.">ucal.h</a> </td><td><a class="el" href="classicu_1_1Calendar.html" title="Calendar is an abstract base class for converting between a UDate object and a set of integer fields ...">icu::Calendar</a>, <a class="el" href="classicu_1_1TimeZone.html" title="TimeZone represents a time zone offset, and also figures out daylight savings.">icu::TimeZone</a> </td></tr> <tr> <td>Date and Time Formatting </td><td><a class="el" href="udat_8h.html" title="C API: DateFormat.">udat.h</a> </td><td><a class="el" href="classicu_1_1DateFormat.html" title="DateFormat is an abstract class for a family of classes that convert dates and times from their inter...">icu::DateFormat</a> </td></tr> <tr> <td>Relative Date and Time Formatting </td><td><a class="el" href="ureldatefmt_8h.html" title="C API: URelativeDateTimeFormatter, relative date formatting of unit + numeric offset.">ureldatefmt.h</a> </td><td><a class="el" href="classicu_1_1RelativeDateTimeFormatter.html" title="Formats simple relative dates.">icu::RelativeDateTimeFormatter</a> </td></tr> <tr> <td>Message Formatting </td><td><a class="el" href="umsg_8h.html" title="C API: MessageFormat.">umsg.h</a> </td><td><a class="el" href="classicu_1_1MessageFormat.html">icu::MessageFormat</a> </td></tr> <tr> <td>Message Formatting 2<br /> (technology preview) </td><td>(no C API) </td><td><a class="el" href="classicu_1_1message2_1_1MessageFormatter.html">icu::message2::MessageFormatter</a> </td></tr> <tr> <td>List Formatting </td><td><a class="el" href="ulistformatter_8h.html" title="C API: Format a list in a locale-appropriate way.">ulistformatter.h</a> </td><td><a class="el" href="classicu_1_1ListFormatter.html" title="An immutable class for formatting a list, using data from CLDR (or supplied separately).">icu::ListFormatter</a> </td></tr> <tr> <td>Number Formatting<br /> (includes currency and unit formatting) </td><td><a class="el" href="unumberformatter_8h.html" title="C API: Localized number formatting; not recommended for C++.">unumberformatter.h</a>, <a class="el" href="unum_8h.html" title="C API: Compatibility APIs for number formatting.">unum.h</a>, <a class="el" href="usimplenumberformatter_8h.html" title="C API: Simple number formatting focused on low memory and code size.">usimplenumberformatter.h</a> </td><td><a class="el" href="classicu_1_1number_1_1NumberFormatter.html" title="See the main description in numberformatter.h for documentation and examples.">icu::number::NumberFormatter</a> (ICU 60+) or <a class="el" href="classicu_1_1NumberFormat.html">icu::NumberFormat</a> (older versions)<br /> <a class="el" href="classicu_1_1number_1_1SimpleNumberFormatter.html" title="A special NumberFormatter focused on smaller binary size and memory use.">icu::number::SimpleNumberFormatter</a> (ICU 73+) </td></tr> <tr> <td>Number Range Formatting<br /> (includes currency and unit ranges) </td><td><a class="el" href="unumberrangeformatter_8h.html" title="C API: Localized number range formatting.">unumberrangeformatter.h</a> </td><td><a class="el" href="classicu_1_1number_1_1NumberRangeFormatter.html" title="See the main description in numberrangeformatter.h for documentation and examples.">icu::number::NumberRangeFormatter</a> </td></tr> <tr> <td>Number Spellout<br /> (Rule Based Number Formatting) </td><td><a class="el" href="unum_8h.html" title="C API: Compatibility APIs for number formatting.">unum.h</a><br /> (use UNUM_SPELLOUT) </td><td><a class="el" href="classicu_1_1RuleBasedNumberFormat.html" title="The RuleBasedNumberFormat class formats numbers according to a set of rules.">icu::RuleBasedNumberFormat</a> </td></tr> <tr> <td>Text Transformation<br /> (Transliteration) </td><td><a class="el" href="utrans_8h.html" title="C API: Transliterator.">utrans.h</a> </td><td><a class="el" href="classicu_1_1Transliterator.html" title="Transliterator is an abstract class that transliterates text from one format to another.">icu::Transliterator</a> </td></tr> <tr> <td>Bidirectional Algorithm </td><td><a class="el" href="ubidi_8h.html" title="C API: Bidi algorithm.">ubidi.h</a>, <a class="el" href="ubiditransform_8h.html" title="C API: Bidi Transformations.">ubiditransform.h</a> </td><td>C API </td></tr> <tr> <td>Arabic Shaping </td><td><a class="el" href="ushape_8h.html" title="C API: Arabic shaping.">ushape.h</a> </td><td>C API </td></tr> <tr> <td>Collation </td><td><a class="el" href="ucol_8h.html" title="C API: Collator.">ucol.h</a> </td><td><a class="el" href="classicu_1_1Collator.html" title="The Collator class performs locale-sensitive string comparison.">icu::Collator</a> </td></tr> <tr> <td>String Searching </td><td><a class="el" href="usearch_8h.html" title="C API: StringSearch.">usearch.h</a> </td><td><a class="el" href="classicu_1_1StringSearch.html" title="StringSearch is a SearchIterator that provides language-sensitive text searching based on the compari...">icu::StringSearch</a> </td></tr> <tr> <td>Index Characters/<br /> Bucketing for Sorted Lists </td><td>(no C API) </td><td><a class="el" href="classicu_1_1AlphabeticIndex.html" title="AlphabeticIndex supports the creation of a UI index appropriate for a given language.">icu::AlphabeticIndex</a> </td></tr> <tr> <td>Text Boundary Analysis<br /> (Break Iteration) </td><td><a class="el" href="ubrk_8h.html" title="C API: BreakIterator.">ubrk.h</a> </td><td><a class="el" href="classicu_1_1BreakIterator.html" title="The BreakIterator class implements methods for finding the location of boundaries in text.">icu::BreakIterator</a> </td></tr> <tr> <td>Regular Expressions </td><td><a class="el" href="uregex_8h.html" title="C API: Regular Expressions.">uregex.h</a> </td><td><a class="el" href="classicu_1_1RegexPattern.html" title="Class RegexPattern represents a compiled regular expression.">icu::RegexPattern</a>, <a class="el" href="classicu_1_1RegexMatcher.html" title="class RegexMatcher bundles together a regular expression pattern and input text to which the expressi...">icu::RegexMatcher</a> </td></tr> <tr> <td>StringPrep </td><td><a class="el" href="usprep_8h.html" title="C API: Implements the StringPrep algorithm.">usprep.h</a> </td><td>C API </td></tr> <tr> <td>International Domain Names in Applications:<br /> UTS #46 in C/C++, IDNA2003 only via C API </td><td><a class="el" href="uidna_8h.html" title="C API: Internationalizing Domain Names in Applications (IDNA)">uidna.h</a> </td><td><a class="el" href="idna_8h.html" title="C++ API: Internationalizing Domain Names in Applications (IDNA)">idna.h</a> </td></tr> <tr> <td>Identifier Spoofing & Confusability </td><td><a class="el" href="uspoof_8h.html" title="C API: Unicode Security and Spoofing Detection.">uspoof.h</a> </td><td>C API </td></tr> <tr> <td>Universal Time Scale </td><td><a class="el" href="utmscale_8h.html" title="C API: Universal Time Scale.">utmscale.h</a> </td><td>C API </td></tr> <tr> <td>Paragraph Layout / Complex Text Layout </td><td><a class="el" href="playout_8h.html" title="C API for paragraph layout.">playout.h</a> </td><td><a class="el" href="classicu_1_1ParagraphLayout.html" title="ParagraphLayout.">icu::ParagraphLayout</a> </td></tr> <tr> <td>ICU I/O </td><td><a class="el" href="ustdio_8h.html" title="C API: Unicode stdio-like API.">ustdio.h</a> </td><td><a class="el" href="ustream_8h.html" title="C++ API: Unicode iostream like API.">ustream.h</a> </td></tr> </table> <p><em>This main page is generated from <a class="el" href="docmain_8h.html" title="(Non API- contains Doxygen definitions)">docmain.h</a></em> </p> </div></div><!-- PageDoc --> </div><!-- contents --> <!-- start footer part --> <hr class="footer"/><address class="footer"><small> Generated by <a href="https://www.doxygen.org/index.html"><img class="footer" src="doxygen.svg" width="104" height="31" alt="doxygen"/></a> 1.9.1 </small></address> </body> </html>