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/usr/include/unicode

Name	Size	Mode	Actions
alphaindex.h	27158	0644	edit dl rm
appendable.h	8739	0644	edit dl rm
basictz.h	10163	0644	edit dl rm
brkiter.h	28478	0644	edit dl rm
bytestream.h	11013	0644	edit dl rm
bytestrie.h	21268	0644	edit dl rm
bytestriebuilder.h	7640	0644	edit dl rm
calendar.h	108424	0644	edit dl rm
caniter.h	7621	0644	edit dl rm
casemap.h	25933	0644	edit dl rm
char16ptr.h	7393	0644	edit dl rm
chariter.h	24638	0644	edit dl rm
choicfmt.h	24544	0644	edit dl rm
coleitr.h	14102	0644	edit dl rm
coll.h	57615	0644	edit dl rm
compactdecimalformat.h	7047	0644	edit dl rm
curramt.h	3869	0644	edit dl rm
currpinf.h	7479	0644	edit dl rm
currunit.h	4112	0644	edit dl rm
datefmt.h	41690	0644	edit dl rm
dbbi.h	1223	0644	edit dl rm
dcfmtsym.h	21101	0644	edit dl rm
decimfmt.h	89676	0644	edit dl rm
docmain.h	7380	0644	edit dl rm
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dtintrv.h	3935	0644	edit dl rm
dtitvfmt.h	50448	0644	edit dl rm
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dtptngen.h	26692	0644	edit dl rm
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edits.h	21237	0644	edit dl rm
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format.h	12802	0644	edit dl rm
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fpositer.h	3107	0644	edit dl rm
gender.h	3408	0644	edit dl rm
gregocal.h	32642	0644	edit dl rm
icudataver.h	1049	0644	edit dl rm
icuplug.h	12109	0644	edit dl rm
idna.h	13000	0644	edit dl rm
listformatter.h	9004	0644	edit dl rm
localebuilder.h	11350	0644	edit dl rm
localematcher.h	27467	0644	edit dl rm
localpointer.h	19825	0644	edit dl rm
locdspnm.h	7292	0644	edit dl rm
locid.h	48804	0644	edit dl rm
measfmt.h	11690	0644	edit dl rm
measunit.h	107613	0644	edit dl rm
measure.h	4431	0644	edit dl rm
messagepattern.h	34517	0644	edit dl rm
msgfmt.h	45278	0644	edit dl rm
normalizer2.h	34466	0644	edit dl rm
normlzr.h	31690	0644	edit dl rm
nounit.h	2305	0644	edit dl rm
numberformatter.h	94505	0644	edit dl rm
numberrangeformatter.h	25790	0644	edit dl rm
numfmt.h	51034	0644	edit dl rm
numsys.h	7509	0644	edit dl rm
parseerr.h	3155	0644	edit dl rm
parsepos.h	5699	0644	edit dl rm
platform.h	28768	0644	edit dl rm
plurfmt.h	25847	0644	edit dl rm
plurrule.h	21316	0644	edit dl rm
ptypes.h	3577	0644	edit dl rm
putil.h	6471	0644	edit dl rm
rbbi.h	28413	0644	edit dl rm
rbnf.h	50021	0644	edit dl rm
rbtz.h	16210	0644	edit dl rm
regex.h	86385	0644	edit dl rm
region.h	9402	0644	edit dl rm
reldatefmt.h	22751	0644	edit dl rm
rep.h	9599	0644	edit dl rm
resbund.h	18513	0644	edit dl rm
schriter.h	6511	0644	edit dl rm
scientificnumberformatter.h	6589	0644	edit dl rm
search.h	22755	0644	edit dl rm
selfmt.h	14686	0644	edit dl rm
simpleformatter.h	12888	0644	edit dl rm
simpletz.h	46798	0644	edit dl rm
smpdtfmt.h	72778	0644	edit dl rm
sortkey.h	11452	0644	edit dl rm
std_string.h	1076	0644	edit dl rm
strenum.h	10157	0644	edit dl rm
stringoptions.h	5926	0644	edit dl rm
stringpiece.h	10287	0644	edit dl rm
stringtriebuilder.h	15842	0644	edit dl rm
stsearch.h	21926	0644	edit dl rm
symtable.h	4374	0644	edit dl rm
tblcoll.h	37801	0644	edit dl rm
timezone.h	44858	0644	edit dl rm
tmunit.h	3479	0644	edit dl rm
tmutamt.h	5029	0644	edit dl rm
tmutfmt.h	7602	0644	edit dl rm
translit.h	67397	0644	edit dl rm
tzfmt.h	43961	0644	edit dl rm
tznames.h	17251	0644	edit dl rm
tzrule.h	36450	0644	edit dl rm
tztrans.h	6278	0644	edit dl rm
ubidi.h	91759	0644	edit dl rm
ubiditransform.h	13003	0644	edit dl rm
ubrk.h	25043	0644	edit dl rm
ucal.h	62463	0644	edit dl rm
ucasemap.h	15579	0644	edit dl rm
ucat.h	5478	0644	edit dl rm
uchar.h	148111	0644	edit dl rm
ucharstrie.h	23066	0644	edit dl rm
ucharstriebuilder.h	7645	0644	edit dl rm
uchriter.h	13747	0644	edit dl rm
uclean.h	11468	0644	edit dl rm
ucnv.h	85051	0644	edit dl rm
ucnvsel.h	6339	0644	edit dl rm
ucnv_cb.h	6738	0644	edit dl rm
ucnv_err.h	21481	0644	edit dl rm
ucol.h	62987	0644	edit dl rm
ucoleitr.h	10056	0644	edit dl rm
uconfig.h	12356	0644	edit dl rm
ucpmap.h	5663	0644	edit dl rm
ucptrie.h	23044	0644	edit dl rm
ucsdet.h	15043	0644	edit dl rm
ucurr.h	17122	0644	edit dl rm
udat.h	63902	0644	edit dl rm
udata.h	16004	0644	edit dl rm
udateintervalformat.h	12218	0644	edit dl rm
udatpg.h	27405	0644	edit dl rm
udisplaycontext.h	6084	0644	edit dl rm
uenum.h	7981	0644	edit dl rm
ufieldpositer.h	4513	0644	edit dl rm
uformattable.h	11233	0644	edit dl rm
uformattedvalue.h	12600	0644	edit dl rm
ugender.h	2106	0644	edit dl rm
uidna.h	34229	0644	edit dl rm
uiter.h	23299	0644	edit dl rm
uldnames.h	10733	0644	edit dl rm
ulistformatter.h	11043	0644	edit dl rm
uloc.h	55936	0644	edit dl rm
ulocdata.h	11572	0644	edit dl rm
umachine.h	16439	0644	edit dl rm
umisc.h	1365	0644	edit dl rm
umsg.h	24832	0644	edit dl rm
umutablecptrie.h	8490	0644	edit dl rm
unifilt.h	4091	0644	edit dl rm
unifunct.h	4151	0644	edit dl rm
unimatch.h	6244	0644	edit dl rm
unirepl.h	3464	0644	edit dl rm
uniset.h	68108	0644	edit dl rm
unistr.h	174627	0644	edit dl rm
unorm.h	21042	0644	edit dl rm
unorm2.h	25269	0644	edit dl rm
unum.h	56269	0644	edit dl rm
unumberformatter.h	31177	0644	edit dl rm
unumberrangeformatter.h	15737	0644	edit dl rm
unumsys.h	7430	0644	edit dl rm
uobject.h	10934	0644	edit dl rm
upluralrules.h	8997	0644	edit dl rm
uregex.h	73719	0644	edit dl rm
uregion.h	10047	0644	edit dl rm
ureldatefmt.h	17448	0644	edit dl rm
urename.h	137853	0644	edit dl rm
urep.h	5507	0644	edit dl rm
ures.h	37418	0644	edit dl rm
uscript.h	28291	0644	edit dl rm
usearch.h	40153	0644	edit dl rm
uset.h	45503	0644	edit dl rm
usetiter.h	9910	0644	edit dl rm
ushape.h	18430	0644	edit dl rm
uspoof.h	67425	0644	edit dl rm
usprep.h	8382	0644	edit dl rm
ustdio.h	39482	0644	edit dl rm
ustream.h	1934	0644	edit dl rm
ustring.h	74096	0644	edit dl rm
ustringtrie.h	3224	0644	edit dl rm
utext.h	59471	0644	edit dl rm
utf.h	8057	0644	edit dl rm
utf8.h	31572	0644	edit dl rm
utf16.h	23910	0644	edit dl rm
utf32.h	763	0644	edit dl rm
utf_old.h	46929	0644	edit dl rm
utmscale.h	14107	0644	edit dl rm
utrace.h	17595	0644	edit dl rm
utrans.h	26157	0644	edit dl rm
utypes.h	31807	0644	edit dl rm
uvernum.h	6839	0644	edit dl rm
uversion.h	6137	0644	edit dl rm
vtzone.h	21303	0644	edit dl rm

Edit: /usr/include/unicode/ures.h (37418B)

// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
**********************************************************************
*   Copyright (C) 1997-2016, International Business Machines
*   Corporation and others.  All Rights Reserved.
**********************************************************************
*
* File URES.H (formerly CRESBUND.H)
*
* Modification History:
*
*   Date        Name        Description
*   04/01/97    aliu        Creation.
*   02/22/99    damiba      overhaul.
*   04/04/99    helena      Fixed internal header inclusion.
*   04/15/99    Madhu       Updated Javadoc
*   06/14/99    stephen     Removed functions taking a filename suffix.
*   07/20/99    stephen     Language-independent typedef to void*
*   11/09/99    weiv        Added ures_getLocale()
*   06/24/02    weiv        Added support for resource sharing
******************************************************************************
*/

#ifndef URES_H
#define URES_H

#include "unicode/utypes.h"
#include "unicode/uloc.h"

#if U_SHOW_CPLUSPLUS_API
#include "unicode/localpointer.h"
#endif   // U_SHOW_CPLUSPLUS_API

/**
 * \file
 * \brief C API: Resource Bundle
 *
 * <h2>C API: Resource Bundle</h2>
 *
 * C API representing a collection of resource information pertaining to a given
 * locale. A resource bundle provides a way of accessing locale- specific information in
 * a data file. You create a resource bundle that manages the resources for a given
 * locale and then ask it for individual resources.
 * <P>
 * Resource bundles in ICU4C are currently defined using text files which conform to the following
 * <a href="https://github.com/unicode-org/icu-docs/blob/main/design/bnf_rb.txt">BNF definition</a>.
 * More on resource bundle concepts and syntax can be found in the
 * <a href="https://unicode-org.github.io/icu/userguide/locale/resources">Users Guide</a>.
 * <P>
 */

/**
 * UResourceBundle is an opaque type for handles for resource bundles in C APIs.
 * @stable ICU 2.0
 */
struct UResourceBundle;

/**
 * @stable ICU 2.0
 */
typedef struct UResourceBundle UResourceBundle;

/**
 * Numeric constants for types of resource items.
 * @see ures_getType
 * @stable ICU 2.0
 */
typedef enum {
    /** Resource type constant for "no resource". @stable ICU 2.6 */
    URES_NONE=-1,

/** Resource type constant for 16-bit Unicode strings. @stable ICU 2.6 */
    URES_STRING=0,

/** Resource type constant for binary data. @stable ICU 2.6 */
    URES_BINARY=1,

/** Resource type constant for tables of key-value pairs. @stable ICU 2.6 */
    URES_TABLE=2,

/**
     * Resource type constant for aliases;
     * internally stores a string which identifies the actual resource
     * storing the data (can be in a different resource bundle).
     * Resolved internally before delivering the actual resource through the API.
     * @stable ICU 2.6
     */
    URES_ALIAS=3,

/**
     * Resource type constant for a single 28-bit integer, interpreted as
     * signed or unsigned by the ures_getInt() or ures_getUInt() function.
     * @see ures_getInt
     * @see ures_getUInt
     * @stable ICU 2.6
     */
    URES_INT=7,

/** Resource type constant for arrays of resources. @stable ICU 2.6 */
    URES_ARRAY=8,

/**
     * Resource type constant for vectors of 32-bit integers.
     * @see ures_getIntVector
     * @stable ICU 2.6
     */
    URES_INT_VECTOR = 14,
#ifndef U_HIDE_DEPRECATED_API
    /** @deprecated ICU 2.6 Use the URES_ constant instead. */
    RES_NONE=URES_NONE,
    /** @deprecated ICU 2.6 Use the URES_ constant instead. */
    RES_STRING=URES_STRING,
    /** @deprecated ICU 2.6 Use the URES_ constant instead. */
    RES_BINARY=URES_BINARY,
    /** @deprecated ICU 2.6 Use the URES_ constant instead. */
    RES_TABLE=URES_TABLE,
    /** @deprecated ICU 2.6 Use the URES_ constant instead. */
    RES_ALIAS=URES_ALIAS,
    /** @deprecated ICU 2.6 Use the URES_ constant instead. */
    RES_INT=URES_INT,
    /** @deprecated ICU 2.6 Use the URES_ constant instead. */
    RES_ARRAY=URES_ARRAY,
    /** @deprecated ICU 2.6 Use the URES_ constant instead. */
    RES_INT_VECTOR=URES_INT_VECTOR,
    /** @deprecated ICU 2.6 Not used. */
    RES_RESERVED=15,

/**
     * One more than the highest normal UResType value.
     * @deprecated ICU 58 The numeric value may change over time, see ICU ticket #12420.
     */
    URES_LIMIT = 16
#endif  // U_HIDE_DEPRECATED_API
} UResType;

/*
 * Functions to create and destroy resource bundles.
 */

/**
 * Opens a UResourceBundle, from which users can extract strings by using
 * their corresponding keys.
 * Note that the caller is responsible of calling <TT>ures_close</TT> on each successfully
 * opened resource bundle.
 * @param packageName   The packageName and locale together point to an ICU udata object,
 *                      as defined by <code> udata_open( packageName, "res", locale, err) </code>
 *                      or equivalent.  Typically, packageName will refer to a (.dat) file, or to
 *                      a package registered with udata_setAppData(). Using a full file or directory
 *                      pathname for packageName is deprecated. If NULL, ICU data will be used.
 * @param locale  specifies the locale for which we want to open the resource
 *                if NULL, the default locale will be used. If strlen(locale) == 0
 *                root locale will be used.
 *
 * @param status  fills in the outgoing error code.
 * The UErrorCode err parameter is used to return status information to the user. To
 * check whether the construction succeeded or not, you should check the value of
 * U_SUCCESS(err). If you wish more detailed information, you can check for
 * informational status results which still indicate success. U_USING_FALLBACK_WARNING
 * indicates that a fall back locale was used. For example, 'de_CH' was requested,
 * but nothing was found there, so 'de' was used. U_USING_DEFAULT_WARNING indicates that
 * the default locale data or root locale data was used; neither the requested locale
 * nor any of its fall back locales could be found. Please see the users guide for more
 * information on this topic.
 * @return      a newly allocated resource bundle.
 * @see ures_close
 * @stable ICU 2.0
 */
U_CAPI UResourceBundle*  U_EXPORT2
ures_open(const char*    packageName,
          const char*  locale,
          UErrorCode*     status);

/** This function does not care what kind of localeID is passed in. It simply opens a bundle with
 *  that name. Fallback mechanism is disabled for the new bundle. If the requested bundle contains
 *  an %%ALIAS directive, the results are undefined.
 * @param packageName   The packageName and locale together point to an ICU udata object,
 *                      as defined by <code> udata_open( packageName, "res", locale, err) </code>
 *                      or equivalent.  Typically, packageName will refer to a (.dat) file, or to
 *                      a package registered with udata_setAppData(). Using a full file or directory
 *                      pathname for packageName is deprecated. If NULL, ICU data will be used.
 * @param locale  specifies the locale for which we want to open the resource
 *                if NULL, the default locale will be used. If strlen(locale) == 0
 *                root locale will be used.
 *
 * @param status fills in the outgoing error code. Either U_ZERO_ERROR or U_MISSING_RESOURCE_ERROR
 * @return      a newly allocated resource bundle or NULL if it doesn't exist.
 * @see ures_close
 * @stable ICU 2.0
 */
U_CAPI UResourceBundle* U_EXPORT2
ures_openDirect(const char* packageName,
                const char* locale,
                UErrorCode* status);

/**
 * Same as ures_open() but takes a const UChar *path.
 * This path will be converted to char * using the default converter,
 * then ures_open() is called.
 *
 * @param packageName   The packageName and locale together point to an ICU udata object,
 *                      as defined by <code> udata_open( packageName, "res", locale, err) </code>
 *                      or equivalent.  Typically, packageName will refer to a (.dat) file, or to
 *                      a package registered with udata_setAppData(). Using a full file or directory
 *                      pathname for packageName is deprecated. If NULL, ICU data will be used.
 * @param locale  specifies the locale for which we want to open the resource
 *                if NULL, the default locale will be used. If strlen(locale) == 0
 *                root locale will be used.
 * @param status  fills in the outgoing error code.
 * @return      a newly allocated resource bundle.
 * @see ures_open
 * @stable ICU 2.0
 */
U_CAPI UResourceBundle* U_EXPORT2
ures_openU(const UChar* packageName,
           const char* locale,
           UErrorCode* status);

#ifndef U_HIDE_DEPRECATED_API
/**
 * Returns the number of strings/arrays in resource bundles.
 * Better to use ures_getSize, as this function will be deprecated.
 *
 *@param resourceBundle resource bundle containing the desired strings
 *@param resourceKey key tagging the resource
 *@param err fills in the outgoing error code
 *                could be <TT>U_MISSING_RESOURCE_ERROR</TT> if the key is not found
 *                could be a non-failing error
 *                e.g.: <TT>U_USING_FALLBACK_WARNING</TT>,<TT>U_USING_FALLBACK_WARNING </TT>
 *@return: for    <STRONG>Arrays</STRONG>: returns the number of resources in the array
 *                <STRONG>Tables</STRONG>: returns the number of resources in the table
 *                <STRONG>single string</STRONG>: returns 1
 *@see ures_getSize
 * @deprecated ICU 2.8 User ures_getSize instead
 */
U_DEPRECATED int32_t U_EXPORT2
ures_countArrayItems(const UResourceBundle* resourceBundle,
                     const char* resourceKey,
                     UErrorCode* err);
#endif  /* U_HIDE_DEPRECATED_API */

/**
 * Close a resource bundle, all pointers returned from the various ures_getXXX calls
 * on this particular bundle should be considered invalid henceforth.
 *
 * @param resourceBundle a pointer to a resourceBundle struct. Can be NULL.
 * @see ures_open
 * @stable ICU 2.0
 */
U_CAPI void U_EXPORT2
ures_close(UResourceBundle* resourceBundle);

#if U_SHOW_CPLUSPLUS_API

U_NAMESPACE_BEGIN

/**
 * \class LocalUResourceBundlePointer
 * "Smart pointer" class, closes a UResourceBundle via ures_close().
 * For most methods see the LocalPointerBase base class.
 *
 * @see LocalPointerBase
 * @see LocalPointer
 * @stable ICU 4.4
 */
U_DEFINE_LOCAL_OPEN_POINTER(LocalUResourceBundlePointer, UResourceBundle, ures_close);

U_NAMESPACE_END

#endif

#ifndef U_HIDE_DEPRECATED_API
/**
 * Return the version number associated with this ResourceBundle as a string. Please
 * use ures_getVersion as this function is going to be deprecated.
 *
 * @param resourceBundle The resource bundle for which the version is checked.
 * @return  A version number string as specified in the resource bundle or its parent.
 *          The caller does not own this string.
 * @see ures_getVersion
 * @deprecated ICU 2.8 Use ures_getVersion instead.
 */
U_DEPRECATED const char* U_EXPORT2
ures_getVersionNumber(const UResourceBundle*   resourceBundle);
#endif  /* U_HIDE_DEPRECATED_API */

/**
 * Return the version number associated with this ResourceBundle as an
 * UVersionInfo array.
 *
 * @param resB The resource bundle for which the version is checked.
 * @param versionInfo A UVersionInfo array that is filled with the version number
 *                    as specified in the resource bundle or its parent.
 * @stable ICU 2.0
 */
U_CAPI void U_EXPORT2
ures_getVersion(const UResourceBundle* resB,
                UVersionInfo versionInfo);

#ifndef U_HIDE_DEPRECATED_API
/**
 * Return the name of the Locale associated with this ResourceBundle. This API allows
 * you to query for the real locale of the resource. For example, if you requested
 * "en_US_CALIFORNIA" and only "en_US" bundle exists, "en_US" will be returned.
 * For subresources, the locale where this resource comes from will be returned.
 * If fallback has occurred, getLocale will reflect this.
 *
 * @param resourceBundle resource bundle in question
 * @param status just for catching illegal arguments
 * @return  A Locale name
 * @deprecated ICU 2.8 Use ures_getLocaleByType instead.
 */
U_DEPRECATED const char* U_EXPORT2
ures_getLocale(const UResourceBundle* resourceBundle,
               UErrorCode* status);
#endif  /* U_HIDE_DEPRECATED_API */

/**
 * Return the name of the Locale associated with this ResourceBundle.
 * You can choose between requested, valid and real locale.
 *
 * @param resourceBundle resource bundle in question
 * @param type You can choose between requested, valid and actual
 *             locale. For description see the definition of
 *             ULocDataLocaleType in uloc.h
 * @param status just for catching illegal arguments
 * @return  A Locale name
 * @stable ICU 2.8
 */
U_CAPI const char* U_EXPORT2
ures_getLocaleByType(const UResourceBundle* resourceBundle,
                     ULocDataLocaleType type,
                     UErrorCode* status);

#ifndef U_HIDE_INTERNAL_API
/**
 * Same as ures_open() but uses the fill-in parameter instead of allocating a new bundle.
 *
 * TODO need to revisit usefulness of this function
 *      and usage model for fillIn parameters without knowing sizeof(UResourceBundle)
 * @param r The existing UResourceBundle to fill in. If NULL then status will be
 *               set to U_ILLEGAL_ARGUMENT_ERROR.
 * @param packageName   The packageName and locale together point to an ICU udata object,
 *                      as defined by <code> udata_open( packageName, "res", locale, err) </code>
 *                      or equivalent.  Typically, packageName will refer to a (.dat) file, or to
 *                      a package registered with udata_setAppData(). Using a full file or directory
 *                      pathname for packageName is deprecated. If NULL, ICU data will be used.
 * @param localeID specifies the locale for which we want to open the resource
 * @param status The error code.
 * @internal
 */
U_CAPI void U_EXPORT2
ures_openFillIn(UResourceBundle *r,
                const char* packageName,
                const char* localeID,
                UErrorCode* status);
#endif  /* U_HIDE_INTERNAL_API */

/**
 * Returns a string from a string resource type
 *
 * @param resourceBundle a string resource
 * @param len    fills in the length of resulting string
 * @param status fills in the outgoing error code
 *                could be <TT>U_MISSING_RESOURCE_ERROR</TT> if the key is not found
 *                Always check the value of status. Don't count on returning NULL.
 *                could be a non-failing error
 *                e.g.: <TT>U_USING_FALLBACK_WARNING</TT>,<TT>U_USING_DEFAULT_WARNING </TT>
 * @return a pointer to a zero-terminated UChar array which lives in a memory mapped/DLL file.
 * @see ures_getBinary
 * @see ures_getIntVector
 * @see ures_getInt
 * @see ures_getUInt
 * @stable ICU 2.0
 */
U_CAPI const UChar* U_EXPORT2
ures_getString(const UResourceBundle* resourceBundle,
               int32_t* len,
               UErrorCode* status);

/**
 * Returns a UTF-8 string from a string resource.
 * The UTF-8 string may be returnable directly as a pointer, or
 * it may need to be copied, or transformed from UTF-16 using u_strToUTF8()
 * or equivalent.
 *
 * If forceCopy==true, then the string is always written to the dest buffer
 * and dest is returned.
 *
 * If forceCopy==false, then the string is returned as a pointer if possible,
 * without needing a dest buffer (it can be NULL). If the string needs to be
 * copied or transformed, then it may be placed into dest at an arbitrary offset.
 *
 * If the string is to be written to dest, then U_BUFFER_OVERFLOW_ERROR and
 * U_STRING_NOT_TERMINATED_WARNING are set if appropriate, as usual.
 *
 * If the string is transformed from UTF-16, then a conversion error may occur
 * if an unpaired surrogate is encountered. If the function is successful, then
 * the output UTF-8 string is always well-formed.
 *
 * @param resB Resource bundle.
 * @param dest Destination buffer. Can be NULL only if capacity=*length==0.
 * @param length Input: Capacity of destination buffer.
 *               Output: Actual length of the UTF-8 string, not counting the
 *               terminating NUL, even in case of U_BUFFER_OVERFLOW_ERROR.
 *               Can be NULL, meaning capacity=0 and the string length is not
 *               returned to the caller.
 * @param forceCopy If true, then the output string will always be written to
 *                  dest, with U_BUFFER_OVERFLOW_ERROR and
 *                  U_STRING_NOT_TERMINATED_WARNING set if appropriate.
 *                  If false, then the dest buffer may or may not contain a
 *                  copy of the string. dest may or may not be modified.
 *                  If a copy needs to be written, then the UErrorCode parameter
 *                  indicates overflow etc. as usual.
 * @param status Pointer to a standard ICU error code. Its input value must
 *               pass the U_SUCCESS() test, or else the function returns
 *               immediately. Check for U_FAILURE() on output or use with
 *               function chaining. (See User Guide for details.)
 * @return The pointer to the UTF-8 string. It may be dest, or at some offset
 *         from dest (only if !forceCopy), or in unrelated memory.
 *         Always NUL-terminated unless the string was written to dest and
 *         length==capacity (in which case U_STRING_NOT_TERMINATED_WARNING is set).
 *
 * @see ures_getString
 * @see u_strToUTF8
 * @stable ICU 3.6
 */
U_CAPI const char * U_EXPORT2
ures_getUTF8String(const UResourceBundle *resB,
                   char *dest, int32_t *length,
                   UBool forceCopy,
                   UErrorCode *status);

/**
 * Returns a binary data from a binary resource.
 *
 * @param resourceBundle a string resource
 * @param len    fills in the length of resulting byte chunk
 * @param status fills in the outgoing error code
 *                could be <TT>U_MISSING_RESOURCE_ERROR</TT> if the key is not found
 *                Always check the value of status. Don't count on returning NULL.
 *                could be a non-failing error
 *                e.g.: <TT>U_USING_FALLBACK_WARNING</TT>,<TT>U_USING_DEFAULT_WARNING </TT>
 * @return a pointer to a chunk of unsigned bytes which live in a memory mapped/DLL file.
 * @see ures_getString
 * @see ures_getIntVector
 * @see ures_getInt
 * @see ures_getUInt
 * @stable ICU 2.0
 */
U_CAPI const uint8_t* U_EXPORT2
ures_getBinary(const UResourceBundle* resourceBundle,
               int32_t* len,
               UErrorCode* status);

/**
 * Returns a 32 bit integer array from a resource.
 *
 * @param resourceBundle an int vector resource
 * @param len    fills in the length of resulting byte chunk
 * @param status fills in the outgoing error code
 *                could be <TT>U_MISSING_RESOURCE_ERROR</TT> if the key is not found
 *                Always check the value of status. Don't count on returning NULL.
 *                could be a non-failing error
 *                e.g.: <TT>U_USING_FALLBACK_WARNING</TT>,<TT>U_USING_DEFAULT_WARNING </TT>
 * @return a pointer to a chunk of integers which live in a memory mapped/DLL file.
 * @see ures_getBinary
 * @see ures_getString
 * @see ures_getInt
 * @see ures_getUInt
 * @stable ICU 2.0
 */
U_CAPI const int32_t* U_EXPORT2
ures_getIntVector(const UResourceBundle* resourceBundle,
                  int32_t* len,
                  UErrorCode* status);

/**
 * Returns an unsigned integer from a resource.
 * This integer is originally 28 bits.
 *
 * @param resourceBundle a string resource
 * @param status fills in the outgoing error code
 *                could be <TT>U_MISSING_RESOURCE_ERROR</TT> if the key is not found
 *                could be a non-failing error
 *                e.g.: <TT>U_USING_FALLBACK_WARNING</TT>,<TT>U_USING_DEFAULT_WARNING </TT>
 * @return an integer value
 * @see ures_getInt
 * @see ures_getIntVector
 * @see ures_getBinary
 * @see ures_getString
 * @stable ICU 2.0
 */
U_CAPI uint32_t U_EXPORT2
ures_getUInt(const UResourceBundle* resourceBundle,
             UErrorCode *status);

/**
 * Returns a signed integer from a resource.
 * This integer is originally 28 bit and the sign gets propagated.
 *
 * @param resourceBundle a string resource
 * @param status  fills in the outgoing error code
 *                could be <TT>U_MISSING_RESOURCE_ERROR</TT> if the key is not found
 *                could be a non-failing error
 *                e.g.: <TT>U_USING_FALLBACK_WARNING</TT>,<TT>U_USING_DEFAULT_WARNING </TT>
 * @return an integer value
 * @see ures_getUInt
 * @see ures_getIntVector
 * @see ures_getBinary
 * @see ures_getString
 * @stable ICU 2.0
 */
U_CAPI int32_t U_EXPORT2
ures_getInt(const UResourceBundle* resourceBundle,
            UErrorCode *status);

/**
 * Returns the size of a resource. Size for scalar types is always 1,
 * and for vector/table types is the number of child resources.
 * @warning Integer array is treated as a scalar type. There are no
 *          APIs to access individual members of an integer array. It
 *          is always returned as a whole.
 * @param resourceBundle a resource
 * @return number of resources in a given resource.
 * @stable ICU 2.0
 */
U_CAPI int32_t U_EXPORT2
ures_getSize(const UResourceBundle *resourceBundle);

/**
 * Returns the type of a resource. Available types are defined in enum UResType
 *
 * @param resourceBundle a resource
 * @return type of the given resource.
 * @see UResType
 * @stable ICU 2.0
 */
U_CAPI UResType U_EXPORT2
ures_getType(const UResourceBundle *resourceBundle);

/**
 * Returns the key associated with a given resource. Not all the resources have a key - only
 * those that are members of a table.
 *
 * @param resourceBundle a resource
 * @return a key associated to this resource, or NULL if it doesn't have a key
 * @stable ICU 2.0
 */
U_CAPI const char * U_EXPORT2
ures_getKey(const UResourceBundle *resourceBundle);

/* ITERATION API
    This API provides means for iterating through a resource
*/

/**
 * Resets the internal context of a resource so that iteration starts from the first element.
 *
 * @param resourceBundle a resource
 * @stable ICU 2.0
 */
U_CAPI void U_EXPORT2
ures_resetIterator(UResourceBundle *resourceBundle);

/**
 * Checks whether the given resource has another element to iterate over.
 *
 * @param resourceBundle a resource
 * @return true if there are more elements, false if there is no more elements
 * @stable ICU 2.0
 */
U_CAPI UBool U_EXPORT2
ures_hasNext(const UResourceBundle *resourceBundle);

/**
 * Returns the next resource in a given resource or NULL if there are no more resources
 * to iterate over. Features a fill-in parameter.
 *
 * @param resourceBundle    a resource
 * @param fillIn            if NULL a new UResourceBundle struct is allocated and must be closed by the caller.
 *                          Alternatively, you can supply a struct to be filled by this function.
 * @param status            fills in the outgoing error code. You may still get a non NULL result even if an
 *                          error occurred. Check status instead.
 * @return                  a pointer to a UResourceBundle struct. If fill in param was NULL, caller must close it
 * @stable ICU 2.0
 */
U_CAPI UResourceBundle* U_EXPORT2
ures_getNextResource(UResourceBundle *resourceBundle,
                     UResourceBundle *fillIn,
                     UErrorCode *status);

/**
 * Returns the next string in a given resource or NULL if there are no more resources
 * to iterate over.
 *
 * @param resourceBundle    a resource
 * @param len               fill in length of the string
 * @param key               fill in for key associated with this string. NULL if no key
 * @param status            fills in the outgoing error code. If an error occurred, we may return NULL, but don't
 *                          count on it. Check status instead!
 * @return a pointer to a zero-terminated UChar array which lives in a memory mapped/DLL file.
 * @stable ICU 2.0
 */
U_CAPI const UChar* U_EXPORT2
ures_getNextString(UResourceBundle *resourceBundle,
                   int32_t* len,
                   const char ** key,
                   UErrorCode *status);

/**
 * Returns the resource in a given resource at the specified index. Features a fill-in parameter.
 *
 * @param resourceBundle    the resource bundle from which to get a sub-resource
 * @param indexR            an index to the wanted resource.
 * @param fillIn            if NULL a new UResourceBundle struct is allocated and must be closed by the caller.
 *                          Alternatively, you can supply a struct to be filled by this function.
 * @param status            fills in the outgoing error code. Don't count on NULL being returned if an error has
 *                          occurred. Check status instead.
 * @return                  a pointer to a UResourceBundle struct. If fill in param was NULL, caller must close it
 * @stable ICU 2.0
 */
U_CAPI UResourceBundle* U_EXPORT2
ures_getByIndex(const UResourceBundle *resourceBundle,
                int32_t indexR,
                UResourceBundle *fillIn,
                UErrorCode *status);

/**
 * Returns the string in a given resource at the specified index.
 *
 * @param resourceBundle    a resource
 * @param indexS            an index to the wanted string.
 * @param len               fill in length of the string
 * @param status            fills in the outgoing error code. If an error occurred, we may return NULL, but don't
 *                          count on it. Check status instead!
 * @return                  a pointer to a zero-terminated UChar array which lives in a memory mapped/DLL file.
 * @stable ICU 2.0
 */
U_CAPI const UChar* U_EXPORT2
ures_getStringByIndex(const UResourceBundle *resourceBundle,
                      int32_t indexS,
                      int32_t* len,
                      UErrorCode *status);

/**
 * Returns a UTF-8 string from a resource at the specified index.
 * The UTF-8 string may be returnable directly as a pointer, or
 * it may need to be copied, or transformed from UTF-16 using u_strToUTF8()
 * or equivalent.
 *
 * If forceCopy==true, then the string is always written to the dest buffer
 * and dest is returned.
 *
 * If forceCopy==false, then the string is returned as a pointer if possible,
 * without needing a dest buffer (it can be NULL). If the string needs to be
 * copied or transformed, then it may be placed into dest at an arbitrary offset.
 *
 * If the string is to be written to dest, then U_BUFFER_OVERFLOW_ERROR and
 * U_STRING_NOT_TERMINATED_WARNING are set if appropriate, as usual.
 *
 * If the string is transformed from UTF-16, then a conversion error may occur
 * if an unpaired surrogate is encountered. If the function is successful, then
 * the output UTF-8 string is always well-formed.
 *
 * @param resB Resource bundle.
 * @param stringIndex An index to the wanted string.
 * @param dest Destination buffer. Can be NULL only if capacity=*length==0.
 * @param pLength Input: Capacity of destination buffer.
 *               Output: Actual length of the UTF-8 string, not counting the
 *               terminating NUL, even in case of U_BUFFER_OVERFLOW_ERROR.
 *               Can be NULL, meaning capacity=0 and the string length is not
 *               returned to the caller.
 * @param forceCopy If true, then the output string will always be written to
 *                  dest, with U_BUFFER_OVERFLOW_ERROR and
 *                  U_STRING_NOT_TERMINATED_WARNING set if appropriate.
 *                  If false, then the dest buffer may or may not contain a
 *                  copy of the string. dest may or may not be modified.
 *                  If a copy needs to be written, then the UErrorCode parameter
 *                  indicates overflow etc. as usual.
 * @param status Pointer to a standard ICU error code. Its input value must
 *               pass the U_SUCCESS() test, or else the function returns
 *               immediately. Check for U_FAILURE() on output or use with
 *               function chaining. (See User Guide for details.)
 * @return The pointer to the UTF-8 string. It may be dest, or at some offset
 *         from dest (only if !forceCopy), or in unrelated memory.
 *         Always NUL-terminated unless the string was written to dest and
 *         length==capacity (in which case U_STRING_NOT_TERMINATED_WARNING is set).
 *
 * @see ures_getStringByIndex
 * @see u_strToUTF8
 * @stable ICU 3.6
 */
U_CAPI const char * U_EXPORT2
ures_getUTF8StringByIndex(const UResourceBundle *resB,
                          int32_t stringIndex,
                          char *dest, int32_t *pLength,
                          UBool forceCopy,
                          UErrorCode *status);

/**
 * Returns a resource in a given resource that has a given key. This procedure works only with table
 * resources. Features a fill-in parameter.
 *
 * @param resourceBundle    a resource
 * @param key               a key associated with the wanted resource
 * @param fillIn            if NULL a new UResourceBundle struct is allocated and must be closed by the caller.
 *                          Alternatively, you can supply a struct to be filled by this function.
 * @param status            fills in the outgoing error code.
 * @return                  a pointer to a UResourceBundle struct. If fill in param was NULL, caller must close it
 * @stable ICU 2.0
 */
U_CAPI UResourceBundle* U_EXPORT2
ures_getByKey(const UResourceBundle *resourceBundle,
              const char* key,
              UResourceBundle *fillIn,
              UErrorCode *status);

/**
 * Returns a string in a given resource that has a given key. This procedure works only with table
 * resources.
 *
 * @param resB              a resource
 * @param key               a key associated with the wanted string
 * @param len               fill in length of the string
 * @param status            fills in the outgoing error code. If an error occurred, we may return NULL, but don't
 *                          count on it. Check status instead!
 * @return                  a pointer to a zero-terminated UChar array which lives in a memory mapped/DLL file.
 * @stable ICU 2.0
 */
U_CAPI const UChar* U_EXPORT2
ures_getStringByKey(const UResourceBundle *resB,
                    const char* key,
                    int32_t* len,
                    UErrorCode *status);

/**
 * Returns a UTF-8 string from a resource and a key.
 * This function works only with table resources.
 *
 * The UTF-8 string may be returnable directly as a pointer, or
 * it may need to be copied, or transformed from UTF-16 using u_strToUTF8()
 * or equivalent.
 *
 * If forceCopy==true, then the string is always written to the dest buffer
 * and dest is returned.
 *
 * If forceCopy==false, then the string is returned as a pointer if possible,
 * without needing a dest buffer (it can be NULL). If the string needs to be
 * copied or transformed, then it may be placed into dest at an arbitrary offset.
 *
 * If the string is to be written to dest, then U_BUFFER_OVERFLOW_ERROR and
 * U_STRING_NOT_TERMINATED_WARNING are set if appropriate, as usual.
 *
 * If the string is transformed from UTF-16, then a conversion error may occur
 * if an unpaired surrogate is encountered. If the function is successful, then
 * the output UTF-8 string is always well-formed.
 *
 * @param resB Resource bundle.
 * @param key  A key associated with the wanted resource
 * @param dest Destination buffer. Can be NULL only if capacity=*length==0.
 * @param pLength Input: Capacity of destination buffer.
 *               Output: Actual length of the UTF-8 string, not counting the
 *               terminating NUL, even in case of U_BUFFER_OVERFLOW_ERROR.
 *               Can be NULL, meaning capacity=0 and the string length is not
 *               returned to the caller.
 * @param forceCopy If true, then the output string will always be written to
 *                  dest, with U_BUFFER_OVERFLOW_ERROR and
 *                  U_STRING_NOT_TERMINATED_WARNING set if appropriate.
 *                  If false, then the dest buffer may or may not contain a
 *                  copy of the string. dest may or may not be modified.
 *                  If a copy needs to be written, then the UErrorCode parameter
 *                  indicates overflow etc. as usual.
 * @param status Pointer to a standard ICU error code. Its input value must
 *               pass the U_SUCCESS() test, or else the function returns
 *               immediately. Check for U_FAILURE() on output or use with
 *               function chaining. (See User Guide for details.)
 * @return The pointer to the UTF-8 string. It may be dest, or at some offset
 *         from dest (only if !forceCopy), or in unrelated memory.
 *         Always NUL-terminated unless the string was written to dest and
 *         length==capacity (in which case U_STRING_NOT_TERMINATED_WARNING is set).
 *
 * @see ures_getStringByKey
 * @see u_strToUTF8
 * @stable ICU 3.6
 */
U_CAPI const char * U_EXPORT2
ures_getUTF8StringByKey(const UResourceBundle *resB,
                        const char *key,
                        char *dest, int32_t *pLength,
                        UBool forceCopy,
                        UErrorCode *status);

#if U_SHOW_CPLUSPLUS_API
#include "unicode/unistr.h"

U_NAMESPACE_BEGIN
/**
 * Returns the string value from a string resource bundle.
 *
 * @param resB    a resource, should have type URES_STRING
 * @param status: fills in the outgoing error code
 *                could be <TT>U_MISSING_RESOURCE_ERROR</TT> if the key is not found
 *                could be a non-failing error
 *                e.g.: <TT>U_USING_FALLBACK_WARNING</TT>,<TT>U_USING_DEFAULT_WARNING </TT>
 * @return The string value, or a bogus string if there is a failure UErrorCode.
 * @stable ICU 2.0
 */
inline UnicodeString
ures_getUnicodeString(const UResourceBundle *resB, UErrorCode* status) {
    UnicodeString result;
    int32_t len = 0;
    const UChar *r = ures_getString(resB, &len, status);
    if(U_SUCCESS(*status)) {
        result.setTo(true, r, len);
    } else {
        result.setToBogus();
    }
    return result;
}

/**
 * Returns the next string in a resource, or an empty string if there are no more resources
 * to iterate over.
 * Use ures_getNextString() instead to distinguish between
 * the end of the iteration and a real empty string value.
 *
 * @param resB              a resource
 * @param key               fill in for key associated with this string
 * @param status            fills in the outgoing error code
 * @return The string value, or a bogus string if there is a failure UErrorCode.
 * @stable ICU 2.0
 */
inline UnicodeString
ures_getNextUnicodeString(UResourceBundle *resB, const char ** key, UErrorCode* status) {
    UnicodeString result;
    int32_t len = 0;
    const UChar* r = ures_getNextString(resB, &len, key, status);
    if(U_SUCCESS(*status)) {
        result.setTo(true, r, len);
    } else {
        result.setToBogus();
    }
    return result;
}

/**
 * Returns the string in a given resource array or table at the specified index.
 *
 * @param resB              a resource
 * @param indexS            an index to the wanted string.
 * @param status            fills in the outgoing error code
 * @return The string value, or a bogus string if there is a failure UErrorCode.
 * @stable ICU 2.0
 */
inline UnicodeString
ures_getUnicodeStringByIndex(const UResourceBundle *resB, int32_t indexS, UErrorCode* status) {
    UnicodeString result;
    int32_t len = 0;
    const UChar* r = ures_getStringByIndex(resB, indexS, &len, status);
    if(U_SUCCESS(*status)) {
        result.setTo(true, r, len);
    } else {
        result.setToBogus();
    }
    return result;
}

/**
 * Returns a string in a resource that has a given key.
 * This procedure works only with table resources.
 *
 * @param resB              a resource
 * @param key               a key associated with the wanted string
 * @param status            fills in the outgoing error code
 * @return The string value, or a bogus string if there is a failure UErrorCode.
 * @stable ICU 2.0
 */
inline UnicodeString
ures_getUnicodeStringByKey(const UResourceBundle *resB, const char* key, UErrorCode* status) {
    UnicodeString result;
    int32_t len = 0;
    const UChar* r = ures_getStringByKey(resB, key, &len, status);
    if(U_SUCCESS(*status)) {
        result.setTo(true, r, len);
    } else {
        result.setToBogus();
    }
    return result;
}

U_NAMESPACE_END

#endif

/**
 * Create a string enumerator, owned by the caller, of all locales located within
 * the specified resource tree.
 * @param packageName name of the tree, such as (NULL) or U_ICUDATA_ALIAS or  or "ICUDATA-coll"
 * This call is similar to uloc_getAvailable().
 * @param status error code
 * @stable ICU 3.2
 */
U_CAPI UEnumeration* U_EXPORT2
ures_openAvailableLocales(const char *packageName, UErrorCode *status);

#endif /*_URES*/
/*eof*/

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