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File List
Here is a list of all documented files with brief descriptions:

common |
unicode |
appendable.h | C++ API: Appendable class: Sink for Unicode code points and 16-bit code units (char16_ts)
brkiter.h | C++ API: Break Iterator
bytestream.h | C++ API: Interface for writing bytes, and implementation classes
bytestrie.h | C++ API: Trie for mapping byte sequences to integer values
bytestriebuilder.h | C++ API: Builder for icu::BytesTrie
caniter.h | C++ API: Canonical Iterator
casemap.h | C++ API: Low-level C++ case mapping functions
char16ptr.h | C++ API: char16_t pointer wrappers with implicit conversion from bit-compatible raw pointer types
chariter.h | C++ API: Character Iterator
dbbi.h | C++ API: Dictionary Based Break Iterator
docmain.h | (Non API- contains Doxygen definitions)
dtintrv.h | C++ API: Date Interval data type
edits.h | C++ API: C++ class Edits for low-level string transformations on styled text
enumset.h | C++: internal template EnumSet<>
errorcode.h | C++ API: ErrorCode class intended to make it easier to use ICU C and C++ APIs from C++ user code
filteredbrk.h | C++ API: FilteredBreakIteratorBuilder
icudataver.h | C API: access to ICU Data Version number
icuplug.h | C API: ICU Plugin API
idna.h | C++ API: Internationalizing Domain Names in Applications (IDNA)
localebuilder.h | C++ API: Builder API for Locale
localematcher.h | C++ API: Locale matcher: User's desired locales vs
localpointer.h | C++ API: "Smart pointers" for use with and in ICU4C C++ code
locdspnm.h | C++ API: Provides display names of Locale and its components
locid.h | C++ API: Locale ID object
messagepattern.h | C++ API: MessagePattern class: Parses and represents ICU MessageFormat patterns
normalizer2.h | C++ API: New API for Unicode Normalization
normlzr.h | C++ API: Unicode Normalization
parseerr.h | C API: Parse Error Information
parsepos.h | C++ API: Canonical Iterator
platform.h | Basic types for the platform
ptypes.h | C API: Definitions of integer types of various widths
putil.h | C API: Platform Utilities
rbbi.h | C++ API: Rule Based Break Iterator
rep.h | C++ API: Replaceable String
resbund.h | C++ API: Resource Bundle
schriter.h | C++ API: String Character Iterator
simpleformatter.h | C++ API: Simple formatter, minimal subset of MessageFormat
std_string.h | C++ API: Central ICU header for including the C++ standard <string> header and for related definitions
strenum.h | C++ API: String Enumeration
stringoptions.h | C API: Bit set option bit constants for various string and character processing functions
stringpiece.h | C++ API: StringPiece: Read-only byte string wrapper class
stringtriebuilder.h | C++ API: Builder API for trie builders
symtable.h | C++ API: An interface that defines both lookup protocol and parsing of symbolic names
ubidi.h | C API: Bidi algorithm
ubiditransform.h | C API: Bidi Transformations
ubrk.h | C API: BreakIterator
ucasemap.h | C API: Unicode case mapping functions using a UCaseMap service object
ucat.h | C API: Message Catalog Wrappers
uchar.h | C API: Unicode Properties
ucharstrie.h | C++ API: Trie for mapping Unicode strings (or 16-bit-unit sequences) to integer values
ucharstriebuilder.h | C++ API: Builder for icu::UCharsTrie
uchriter.h | C++ API: char16_t Character Iterator
uclean.h | C API: Initialize and clean up ICU
ucnv.h | C API: Character conversion
ucnv_cb.h | C API: UConverter functions to aid the writers of callbacks
ucnv_err.h | C API: UConverter predefined error callbacks
ucnvsel.h | C API: Encoding/charset encoding selector
uconfig.h | User-configurable settings
ucpmap.h | C API: This file defines an abstract map from Unicode code points to integer values
ucptrie.h | C API: This file defines an immutable Unicode code point trie
ucurr.h | C API: Encapsulates information about a currency
udata.h | C API: Data loading interface
udisplaycontext.h | C API: Display context types (enum values)
uenum.h | C API: String Enumeration
uidna.h | C API: Internationalizing Domain Names in Applications (IDNA)
uiter.h | C API: Unicode Character Iteration
uldnames.h | C API: Provides display names of Locale ids and their components
uloc.h | C API: Locale ID functionality similar to C++ class Locale
ulocale.h | C API: Locale ID functionality similar to C++ class Locale
ulocbuilder.h | C API: Builder API for Locale
umachine.h | Basic types and constants for UTF
umisc.h | C API: Miscellaneous definitions
umutablecptrie.h | C API: This file defines a mutable Unicode code point trie
unifilt.h | C++ API: Unicode Filter
unifunct.h | C++ API: Unicode Functor
unimatch.h | C++ API: Unicode Matcher
uniset.h | C++ API: Unicode Set
unistr.h | C++ API: Unicode String
unorm.h | C API: Unicode Normalization
unorm2.h | C API: New API for Unicode Normalization
uobject.h | C++ API: Common ICU base class UObject
urep.h | C API: Callbacks for UReplaceable
ures.h | C API: Resource Bundle
uscript.h | C API: Unicode Script Information
uset.h | C API: Unicode Set
usetiter.h | C++ API: UnicodeSetIterator iterates over the contents of a UnicodeSet
ushape.h | C API: Arabic shaping
usprep.h | C API: Implements the StringPrep algorithm
ustring.h | C API: Unicode string handling functions
ustringtrie.h | C API: Helper definitions for dictionary trie APIs
utext.h | C API: Abstract Unicode Text API
utf.h | C API: Code point macros
utf16.h | C API: 16-bit Unicode handling macros
utf32.h | C API: UTF-32 macros
utf8.h | C API: 8-bit Unicode handling macros
utf_old.h | C API: Deprecated macros for Unicode string handling
utfiterator.h | C++ header-only API: C++ iterators over Unicode strings (=UTF-8/16/32 if well-formed)
utfstring.h | C++ header-only API: C++ string helper functions
utrace.h | C API: Definitions for ICU tracing/logging
utypes.h | Basic definitions for ICU, for both C and C++ APIs
uvernum.h | C API: definitions of ICU version numbers
uversion.h | C API: API for accessing ICU version numbers
i18n |
unicode |
alphaindex.h | C++ API: Index Characters
basictz.h | C++ API: ICU TimeZone base class
calendar.h | C++ API: Calendar object
choicfmt.h | C++ API: Choice Format
coleitr.h | C++ API: Collation Element Iterator
coll.h | C++ API: Collation Service
compactdecimalformat.h | C++ API: Compatibility APIs for compact decimal number formatting
curramt.h | C++ API: Currency Amount Object
currpinf.h | C++ API: Currency Plural Information used by Decimal Format
currunit.h | C++ API: Currency Unit Information
datefmt.h | C++ API: Abstract class for converting dates
dcfmtsym.h | C++ API: Symbols for formatting numbers
decimfmt.h | C++ API: Compatibility APIs for decimal formatting
displayoptions.h | C++ API: Display options class
dtfmtsym.h | C++ API: Symbols for formatting dates
dtitvfmt.h | C++ API: Format and parse date interval in a language-independent manner
dtitvinf.h | C++ API: Date/Time interval patterns for formatting date/time interval
dtptngen.h | C++ API: Date/Time Pattern Generator
dtrule.h | C++ API: Rule for specifying date and time in an year
fieldpos.h | C++ API: FieldPosition identifies the fields in a formatted output
fmtable.h | C++ API: Formattable is a thin wrapper for primitive types used for formatting and parsing
format.h | C++ API: Base class for all formats
formattednumber.h | C API: Formatted number result from various number formatting functions
formattedvalue.h | C++ API: Abstract operations for localized strings
fpositer.h | C++ API: FieldPosition Iterator
gender.h | C++ API: GenderInfo computes the gender of a list
gregocal.h | C++ API: Concrete class which provides the standard calendar
listformatter.h | C++ API: API for formatting a list
measfmt.h | C++ API: Compatibility APIs for measure formatting
measunit.h | C++ API: A unit for measuring a quantity
measure.h | C++ API: MeasureUnit object
messageformat2.h | C++ API: Formats messages using the draft MessageFormat 2.0
messageformat2_arguments.h | C++ API: Formats messages using the draft MessageFormat 2.0
messageformat2_data_model.h |
messageformat2_data_model_names.h |
messageformat2_formattable.h |
messageformat2_function_registry.h |
msgfmt.h | C++ API: Formats messages in a language-neutral way
nounit.h | C++ API: units for percent and permille
numberformatter.h | C++ API: All-in-one formatter for localized numbers, currencies, and units
numberrangeformatter.h | C++ API: Library for localized formatting of number, currency, and unit ranges
numfmt.h | C++ API: Compatibility APIs for number formatting
numsys.h | C++ API: NumberingSystem object
plurfmt.h | C++ API: PluralFormat object
plurrule.h | C++ API: PluralRules object
rbnf.h | C++ API: Rule Based Number Format
rbtz.h | C++ API: Rule based customizable time zone
regex.h | C++ API: Regular Expressions
region.h | C++ API: Region classes (territory containment)
reldatefmt.h | C++ API: Formats relative dates such as "1 day ago" or "tomorrow"
scientificnumberformatter.h | C++ API: Formats in scientific notation
search.h | C++ API: SearchIterator object
selfmt.h | C++ API: SelectFormat object
simplenumberformatter.h | C++ API: Simple number formatting focused on low memory and code size
simpletz.h | C++ API: SimpleTimeZone is a concrete subclass of TimeZone
smpdtfmt.h | C++ API: Format and parse dates in a language-independent manner
sortkey.h | C++ API: Keys for comparing strings multiple times
stsearch.h | C++ API: Service for searching text based on RuleBasedCollator
tblcoll.h | C++ API: The RuleBasedCollator class implements the Collator abstract base class
timezone.h | C++ API: TimeZone object
tmunit.h | C++ API: time unit object
tmutamt.h | C++ API: time unit amount object
tmutfmt.h | C++ API: Format and parse duration in single time unit
translit.h | C++ API: Transforms text from one format to another
tzfmt.h | C++ API: TimeZoneFormat
tznames.h | C++ API: TimeZoneNames
tzrule.h | C++ API: Time zone rule classes
tztrans.h | C++ API: Time zone transition
ucal.h | C API: Calendar
ucol.h | C API: Collator
ucoleitr.h | C API: UCollationElements
ucsdet.h | C API: Charset Detection API
udat.h | C API: DateFormat
udateintervalformat.h | C API: Format a date interval
udatpg.h | C API: Wrapper for icu::DateTimePatternGenerator (unicode/dtptngen.h)
udisplayoptions.h | C API: Display options (enum types, values, helper functions)
ufieldpositer.h | C API: UFieldPositionIterator for use with format APIs
uformattable.h | C API: UFormattable is a thin wrapper for primitive types used for formatting and parsing
uformattednumber.h | C API: Formatted number result from various number formatting functions
uformattedvalue.h | C API: Abstract operations for localized strings
ugender.h | C API: The purpose of this API is to compute the gender of a list as a whole given the gender of each element
ulistformatter.h | C API: Format a list in a locale-appropriate way
ulocdata.h | C API: Provides access to locale data
umsg.h | C API: MessageFormat
unirepl.h | C++ API: UnicodeReplacer
unum.h | C API: Compatibility APIs for number formatting
unumberformatter.h | C API: Localized number formatting; not recommended for C++
unumberoptions.h | C API: Header-only input options for various number formatting APIs
unumberrangeformatter.h | C API: Localized number range formatting
unumsys.h | C API: UNumberingSystem, information about numbering systems
upluralrules.h | C API: Plural rules, select plural keywords for numeric values
uregex.h | C API: Regular Expressions
uregion.h | C API: URegion (territory containment and mapping)
ureldatefmt.h | C API: URelativeDateTimeFormatter, relative date formatting of unit + numeric offset
usearch.h | C API: StringSearch
usimplenumberformatter.h | C API: Simple number formatting focused on low memory and code size
uspoof.h | C API: Unicode Security and Spoofing Detection
utmscale.h | C API: Universal Time Scale
utrans.h | C API: Transliterator
vtzone.h | C++ API: RFC2445 VTIMEZONE support
io |
unicode |
ustdio.h | C API: Unicode stdio-like API
ustream.h | C++ API: Unicode iostream like API
layoutex |
layout |
ParagraphLayout.h | C++ API: Paragraph Layout
playout.h | C API for paragraph layout
plruns.h | C API for run arrays
RunArrays.h | C++ API: base class for building classes which represent data that is associated with runs of text