ICU 74.2: common/unicode/ustring.h Source File

ICU 74.2 74.2

ustring.h
Go to the documentation of this file.
1// © 2016 and later: Unicode, Inc. and others.
2// License & terms of use: http://www.unicode.org/copyright.html
3/*
4**********************************************************************
5* Copyright (C) 1998-2014, International Business Machines
6* Corporation and others. All Rights Reserved.
7**********************************************************************
8*
9* File ustring.h
10*
11* Modification History:
12*
13* Date Name Description
14* 12/07/98 bertrand Creation.
15******************************************************************************
16*/
17
18#ifndef USTRING_H
19#define USTRING_H
20
21#include "unicode/utypes.h"
22#include "unicode/putil.h"
23#include "unicode/uiter.h"
24
30#ifndef UBRK_TYPEDEF_UBREAK_ITERATOR
31# define UBRK_TYPEDEF_UBREAK_ITERATOR
33 typedef struct UBreakIterator UBreakIterator;
34#endif
35
92 U_CAPI int32_t U_EXPORT2
93u_strlen(const UChar *s);
109 U_CAPI int32_t U_EXPORT2
110u_countChar32(const UChar *s, int32_t length);
111
130 U_CAPI UBool U_EXPORT2
131u_strHasMoreChar32Than(const UChar *s, int32_t length, int32_t number);
132
143 U_CAPI UChar* U_EXPORT2
144u_strcat(UChar *dst,
145 const UChar *src);
146
161 U_CAPI UChar* U_EXPORT2
162u_strncat(UChar *dst,
163 const UChar *src,
164 int32_t n);
165
186 U_CAPI UChar * U_EXPORT2
187u_strstr(const UChar *s, const UChar *substring);
188
210 U_CAPI UChar * U_EXPORT2
211u_strFindFirst(const UChar *s, int32_t length, const UChar *substring, int32_t subLength);
212
230 U_CAPI UChar * U_EXPORT2
231u_strchr(const UChar *s, UChar c);
232
250 U_CAPI UChar * U_EXPORT2
251u_strchr32(const UChar *s, UChar32 c);
252
273 U_CAPI UChar * U_EXPORT2
274u_strrstr(const UChar *s, const UChar *substring);
275
297 U_CAPI UChar * U_EXPORT2
298u_strFindLast(const UChar *s, int32_t length, const UChar *substring, int32_t subLength);
299
317 U_CAPI UChar * U_EXPORT2
318u_strrchr(const UChar *s, UChar c);
319
337 U_CAPI UChar * U_EXPORT2
338u_strrchr32(const UChar *s, UChar32 c);
339
352 U_CAPI UChar * U_EXPORT2
353u_strpbrk(const UChar *string, const UChar *matchSet);
354
368 U_CAPI int32_t U_EXPORT2
369u_strcspn(const UChar *string, const UChar *matchSet);
370
384 U_CAPI int32_t U_EXPORT2
385u_strspn(const UChar *string, const UChar *matchSet);
386
412 U_CAPI UChar * U_EXPORT2
413u_strtok_r(UChar *src,
414 const UChar *delim,
415 UChar **saveState);
416
427 U_CAPI int32_t U_EXPORT2
428u_strcmp(const UChar *s1,
429 const UChar *s2);
430
442 U_CAPI int32_t U_EXPORT2
443u_strcmpCodePointOrder(const UChar *s1, const UChar *s2);
444
472 U_CAPI int32_t U_EXPORT2
473u_strCompare(const UChar *s1, int32_t length1,
474 const UChar *s2, int32_t length2,
475 UBool codePointOrder);
476
497 U_CAPI int32_t U_EXPORT2
498u_strCompareIter(UCharIterator *iter1, UCharIterator *iter2, UBool codePointOrder);
499
540 U_CAPI int32_t U_EXPORT2
541u_strCaseCompare(const UChar *s1, int32_t length1,
542 const UChar *s2, int32_t length2,
543 uint32_t options,
544 UErrorCode *pErrorCode);
545
558 U_CAPI int32_t U_EXPORT2
559u_strncmp(const UChar *ucs1,
560 const UChar *ucs2,
561 int32_t n);
562
576 U_CAPI int32_t U_EXPORT2
577u_strncmpCodePointOrder(const UChar *s1, const UChar *s2, int32_t n);
578
598 U_CAPI int32_t U_EXPORT2
599u_strcasecmp(const UChar *s1, const UChar *s2, uint32_t options);
600
622 U_CAPI int32_t U_EXPORT2
623u_strncasecmp(const UChar *s1, const UChar *s2, int32_t n, uint32_t options);
624
646 U_CAPI int32_t U_EXPORT2
647u_memcasecmp(const UChar *s1, const UChar *s2, int32_t length, uint32_t options);
648
657 U_CAPI UChar* U_EXPORT2
658u_strcpy(UChar *dst,
659 const UChar *src);
660
672 U_CAPI UChar* U_EXPORT2
673u_strncpy(UChar *dst,
674 const UChar *src,
675 int32_t n);
676
677#if !UCONFIG_NO_CONVERSION
678
689 U_CAPI UChar* U_EXPORT2 u_uastrcpy(UChar *dst,
690 const char *src );
691
704 U_CAPI UChar* U_EXPORT2 u_uastrncpy(UChar *dst,
705 const char *src,
706 int32_t n);
707
718 U_CAPI char* U_EXPORT2 u_austrcpy(char *dst,
719 const UChar *src );
720
733 U_CAPI char* U_EXPORT2 u_austrncpy(char *dst,
734 const UChar *src,
735 int32_t n );
736
737#endif
738
747 U_CAPI UChar* U_EXPORT2
748u_memcpy(UChar *dest, const UChar *src, int32_t count);
749
758 U_CAPI UChar* U_EXPORT2
759u_memmove(UChar *dest, const UChar *src, int32_t count);
760
770 U_CAPI UChar* U_EXPORT2
771u_memset(UChar *dest, UChar c, int32_t count);
772
784 U_CAPI int32_t U_EXPORT2
785u_memcmp(const UChar *buf1, const UChar *buf2, int32_t count);
786
800 U_CAPI int32_t U_EXPORT2
801u_memcmpCodePointOrder(const UChar *s1, const UChar *s2, int32_t count);
802
820 U_CAPI UChar* U_EXPORT2
821u_memchr(const UChar *s, UChar c, int32_t count);
822
840 U_CAPI UChar* U_EXPORT2
841u_memchr32(const UChar *s, UChar32 c, int32_t count);
842
860 U_CAPI UChar* U_EXPORT2
861u_memrchr(const UChar *s, UChar c, int32_t count);
862
880 U_CAPI UChar* U_EXPORT2
881u_memrchr32(const UChar *s, UChar32 c, int32_t count);
882
930#if defined(U_DECLARE_UTF16)
931# define U_STRING_DECL(var, cs, length) static const UChar *var=(const UChar *)U_DECLARE_UTF16(cs)
933# define U_STRING_INIT(var, cs, length)
934#elif U_SIZEOF_WCHAR_T==U_SIZEOF_UCHAR && (U_CHARSET_FAMILY==U_ASCII_FAMILY || defined(U_WCHAR_IS_UTF16))
935# define U_STRING_DECL(var, cs, length) static const UChar var[(length)+1]=L ## cs
937# define U_STRING_INIT(var, cs, length)
938#else
939# define U_STRING_DECL(var, cs, length) static UChar var[(length)+1]
941# define U_STRING_INIT(var, cs, length) u_charsToUChars(cs, var, length+1)
942#endif
943
991 U_CAPI int32_t U_EXPORT2
992u_unescape(const char *src,
993 UChar *dest, int32_t destCapacity);
994
995 U_CDECL_BEGIN
1008 typedef UChar (U_CALLCONV *UNESCAPE_CHAR_AT)(int32_t offset, void *context);
1009 U_CDECL_END
1010
1039 U_CAPI UChar32 U_EXPORT2
1040u_unescapeAt(UNESCAPE_CHAR_AT charAt,
1041 int32_t *offset,
1042 int32_t length,
1043 void *context);
1044
1065 U_CAPI int32_t U_EXPORT2
1066u_strToUpper(UChar *dest, int32_t destCapacity,
1067 const UChar *src, int32_t srcLength,
1068 const char *locale,
1069 UErrorCode *pErrorCode);
1070
1091 U_CAPI int32_t U_EXPORT2
1092u_strToLower(UChar *dest, int32_t destCapacity,
1093 const UChar *src, int32_t srcLength,
1094 const char *locale,
1095 UErrorCode *pErrorCode);
1096
1097#if !UCONFIG_NO_BREAK_ITERATION
1098
1137 U_CAPI int32_t U_EXPORT2
1138u_strToTitle(UChar *dest, int32_t destCapacity,
1139 const UChar *src, int32_t srcLength,
1140 UBreakIterator *titleIter,
1141 const char *locale,
1142 UErrorCode *pErrorCode);
1143
1144#endif
1145
1170 U_CAPI int32_t U_EXPORT2
1171u_strFoldCase(UChar *dest, int32_t destCapacity,
1172 const UChar *src, int32_t srcLength,
1173 uint32_t options,
1174 UErrorCode *pErrorCode);
1175
1176#if defined(U_WCHAR_IS_UTF16) || defined(U_WCHAR_IS_UTF32) || !UCONFIG_NO_CONVERSION
1199 U_CAPI wchar_t* U_EXPORT2
1200u_strToWCS(wchar_t *dest,
1201 int32_t destCapacity,
1202 int32_t *pDestLength,
1203 const UChar *src,
1204 int32_t srcLength,
1205 UErrorCode *pErrorCode);
1228 U_CAPI UChar* U_EXPORT2
1229u_strFromWCS(UChar *dest,
1230 int32_t destCapacity,
1231 int32_t *pDestLength,
1232 const wchar_t *src,
1233 int32_t srcLength,
1234 UErrorCode *pErrorCode);
1235#endif /* defined(U_WCHAR_IS_UTF16) || defined(U_WCHAR_IS_UTF32) || !UCONFIG_NO_CONVERSION */
1236
1259 U_CAPI char* U_EXPORT2
1260u_strToUTF8(char *dest,
1261 int32_t destCapacity,
1262 int32_t *pDestLength,
1263 const UChar *src,
1264 int32_t srcLength,
1265 UErrorCode *pErrorCode);
1266
1289 U_CAPI UChar* U_EXPORT2
1290u_strFromUTF8(UChar *dest,
1291 int32_t destCapacity,
1292 int32_t *pDestLength,
1293 const char *src,
1294 int32_t srcLength,
1295 UErrorCode *pErrorCode);
1296
1332 U_CAPI char* U_EXPORT2
1333u_strToUTF8WithSub(char *dest,
1334 int32_t destCapacity,
1335 int32_t *pDestLength,
1336 const UChar *src,
1337 int32_t srcLength,
1338 UChar32 subchar, int32_t *pNumSubstitutions,
1339 UErrorCode *pErrorCode);
1340
1377 U_CAPI UChar* U_EXPORT2
1378u_strFromUTF8WithSub(UChar *dest,
1379 int32_t destCapacity,
1380 int32_t *pDestLength,
1381 const char *src,
1382 int32_t srcLength,
1383 UChar32 subchar, int32_t *pNumSubstitutions,
1384 UErrorCode *pErrorCode);
1385
1437 U_CAPI UChar * U_EXPORT2
1438u_strFromUTF8Lenient(UChar *dest,
1439 int32_t destCapacity,
1440 int32_t *pDestLength,
1441 const char *src,
1442 int32_t srcLength,
1443 UErrorCode *pErrorCode);
1444
1467 U_CAPI UChar32* U_EXPORT2
1468u_strToUTF32(UChar32 *dest,
1469 int32_t destCapacity,
1470 int32_t *pDestLength,
1471 const UChar *src,
1472 int32_t srcLength,
1473 UErrorCode *pErrorCode);
1474
1497 U_CAPI UChar* U_EXPORT2
1498u_strFromUTF32(UChar *dest,
1499 int32_t destCapacity,
1500 int32_t *pDestLength,
1501 const UChar32 *src,
1502 int32_t srcLength,
1503 UErrorCode *pErrorCode);
1504
1540 U_CAPI UChar32* U_EXPORT2
1541u_strToUTF32WithSub(UChar32 *dest,
1542 int32_t destCapacity,
1543 int32_t *pDestLength,
1544 const UChar *src,
1545 int32_t srcLength,
1546 UChar32 subchar, int32_t *pNumSubstitutions,
1547 UErrorCode *pErrorCode);
1548
1584 U_CAPI UChar* U_EXPORT2
1585u_strFromUTF32WithSub(UChar *dest,
1586 int32_t destCapacity,
1587 int32_t *pDestLength,
1588 const UChar32 *src,
1589 int32_t srcLength,
1590 UChar32 subchar, int32_t *pNumSubstitutions,
1591 UErrorCode *pErrorCode);
1592
1625 U_CAPI char* U_EXPORT2
1626u_strToJavaModifiedUTF8(
1627 char *dest,
1628 int32_t destCapacity,
1629 int32_t *pDestLength,
1630 const UChar *src,
1631 int32_t srcLength,
1632 UErrorCode *pErrorCode);
1633
1675 U_CAPI UChar* U_EXPORT2
1676u_strFromJavaModifiedUTF8WithSub(
1677 UChar *dest,
1678 int32_t destCapacity,
1679 int32_t *pDestLength,
1680 const char *src,
1681 int32_t srcLength,
1682 UChar32 subchar, int32_t *pNumSubstitutions,
1683 UErrorCode *pErrorCode);
1684
1685#endif
U_CALLCONV
#define U_CALLCONV
Similar to U_CDECL_BEGIN/U_CDECL_END, this qualifier is necessary in callback function typedefs to ma...
Definition platform.h:866
putil.h
C API: Platform Utilities.
UCharIterator
C API for code unit iteration.
Definition uiter.h:341
UBreakIterator
struct UBreakIterator UBreakIterator
Opaque type representing an ICU Break iterator object.
Definition ubrk.h:31
uiter.h
C API: Unicode Character Iteration.
UChar32
int32_t UChar32
Define UChar32 as a type for single Unicode code points.
Definition umachine.h:435
U_CDECL_END
#define U_CDECL_END
This is used to end a declaration of a library private ICU C API.
Definition umachine.h:86
UBool
int8_t UBool
The ICU boolean type, a signed-byte integer.
Definition umachine.h:247
U_CAPI
#define U_CAPI
This is used to declare a function as a public ICU C API.
Definition umachine.h:110
UChar
char16_t UChar
The base type for UTF-16 code units and pointers.
Definition umachine.h:386
U_CDECL_BEGIN
#define U_CDECL_BEGIN
This is used to begin a declaration of a library private ICU C API.
Definition umachine.h:85
u_strFindLast
U_CAPI UChar * u_strFindLast(const UChar *s, int32_t length, const UChar *substring, int32_t subLength)
Find the last occurrence of a substring in a string.
u_strcmp
U_CAPI int32_t u_strcmp(const UChar *s1, const UChar *s2)
Compare two Unicode strings for bitwise equality (code unit order).
u_unescapeAt
U_CAPI UChar32 u_unescapeAt(UNESCAPE_CHAR_AT charAt, int32_t *offset, int32_t length, void *context)
Unescape a single sequence.
u_strpbrk
U_CAPI UChar * u_strpbrk(const UChar *string, const UChar *matchSet)
Locates the first occurrence in the string string of any of the characters in the string matchSet.
u_strToWCS
U_CAPI wchar_t * u_strToWCS(wchar_t *dest, int32_t destCapacity, int32_t *pDestLength, const UChar *src, int32_t srcLength, UErrorCode *pErrorCode)
Convert a UTF-16 string to a wchar_t string.
u_strToLower
U_CAPI int32_t u_strToLower(UChar *dest, int32_t destCapacity, const UChar *src, int32_t srcLength, const char *locale, UErrorCode *pErrorCode)
Lowercase the characters in a string.
u_strToUTF8
U_CAPI char * u_strToUTF8(char *dest, int32_t destCapacity, int32_t *pDestLength, const UChar *src, int32_t srcLength, UErrorCode *pErrorCode)
Convert a UTF-16 string to UTF-8.
u_memcmp
U_CAPI int32_t u_memcmp(const UChar *buf1, const UChar *buf2, int32_t count)
Compare the first count UChars of each buffer.
u_memchr
U_CAPI UChar * u_memchr(const UChar *s, UChar c, int32_t count)
Find the first occurrence of a BMP code point in a string.
u_strFromWCS
U_CAPI UChar * u_strFromWCS(UChar *dest, int32_t destCapacity, int32_t *pDestLength, const wchar_t *src, int32_t srcLength, UErrorCode *pErrorCode)
Convert a wchar_t string to UTF-16.
u_austrcpy
U_CAPI char * u_austrcpy(char *dst, const UChar *src)
Copy ustring to a byte string encoded in the default codepage.
u_strrchr32
U_CAPI UChar * u_strrchr32(const UChar *s, UChar32 c)
Find the last occurrence of a code point in a string.
u_strspn
U_CAPI int32_t u_strspn(const UChar *string, const UChar *matchSet)
Returns the number of consecutive characters in string, beginning with the first, that occur somewher...
u_strFromUTF8
U_CAPI UChar * u_strFromUTF8(UChar *dest, int32_t destCapacity, int32_t *pDestLength, const char *src, int32_t srcLength, UErrorCode *pErrorCode)
Convert a UTF-8 string to UTF-16.
u_strncat
U_CAPI UChar * u_strncat(UChar *dst, const UChar *src, int32_t n)
Concatenate two ustrings.
u_strcasecmp
U_CAPI int32_t u_strcasecmp(const UChar *s1, const UChar *s2, uint32_t options)
Compare two strings case-insensitively using full case folding.
u_strlen
U_CAPI int32_t u_strlen(const UChar *s)
Determine the length of an array of UChar.
u_strToTitle
U_CAPI int32_t u_strToTitle(UChar *dest, int32_t destCapacity, const UChar *src, int32_t srcLength, UBreakIterator *titleIter, const char *locale, UErrorCode *pErrorCode)
Titlecase a string.
u_strncmp
U_CAPI int32_t u_strncmp(const UChar *ucs1, const UChar *ucs2, int32_t n)
Compare two ustrings for bitwise equality.
u_memrchr
U_CAPI UChar * u_memrchr(const UChar *s, UChar c, int32_t count)
Find the last occurrence of a BMP code point in a string.
u_unescape
U_CAPI int32_t u_unescape(const char *src, UChar *dest, int32_t destCapacity)
Unescape a string of characters and write the resulting Unicode characters to the destination buffer.
UNESCAPE_CHAR_AT
UChar(* UNESCAPE_CHAR_AT)(int32_t offset, void *context)
Callback function for u_unescapeAt() that returns a character of the source text given an offset and ...
Definition ustring.h:1008
u_strToJavaModifiedUTF8
U_CAPI char * u_strToJavaModifiedUTF8(char *dest, int32_t destCapacity, int32_t *pDestLength, const UChar *src, int32_t srcLength, UErrorCode *pErrorCode)
Convert a 16-bit Unicode string to Java Modified UTF-8.
u_strToUTF8WithSub
U_CAPI char * u_strToUTF8WithSub(char *dest, int32_t destCapacity, int32_t *pDestLength, const UChar *src, int32_t srcLength, UChar32 subchar, int32_t *pNumSubstitutions, UErrorCode *pErrorCode)
Convert a UTF-16 string to UTF-8.
u_strncmpCodePointOrder
U_CAPI int32_t u_strncmpCodePointOrder(const UChar *s1, const UChar *s2, int32_t n)
Compare two Unicode strings in code point order.
u_strFromUTF8Lenient
U_CAPI UChar * u_strFromUTF8Lenient(UChar *dest, int32_t destCapacity, int32_t *pDestLength, const char *src, int32_t srcLength, UErrorCode *pErrorCode)
Convert a UTF-8 string to UTF-16.
u_strToUTF32
U_CAPI UChar32 * u_strToUTF32(UChar32 *dest, int32_t destCapacity, int32_t *pDestLength, const UChar *src, int32_t srcLength, UErrorCode *pErrorCode)
Convert a UTF-16 string to UTF-32.
u_uastrncpy
U_CAPI UChar * u_uastrncpy(UChar *dst, const char *src, int32_t n)
Copy a byte string encoded in the default codepage to a ustring.
u_memset
U_CAPI UChar * u_memset(UChar *dest, UChar c, int32_t count)
Initialize count characters of dest to c.
u_strchr
U_CAPI UChar * u_strchr(const UChar *s, UChar c)
Find the first occurrence of a BMP code point in a string.
u_strFromUTF8WithSub
U_CAPI UChar * u_strFromUTF8WithSub(UChar *dest, int32_t destCapacity, int32_t *pDestLength, const char *src, int32_t srcLength, UChar32 subchar, int32_t *pNumSubstitutions, UErrorCode *pErrorCode)
Convert a UTF-8 string to UTF-16.
u_strncasecmp
U_CAPI int32_t u_strncasecmp(const UChar *s1, const UChar *s2, int32_t n, uint32_t options)
Compare two strings case-insensitively using full case folding.
u_memmove
U_CAPI UChar * u_memmove(UChar *dest, const UChar *src, int32_t count)
Synonym for memmove(), but with UChars only.
u_strCompareIter
U_CAPI int32_t u_strCompareIter(UCharIterator *iter1, UCharIterator *iter2, UBool codePointOrder)
Compare two Unicode strings (binary order) as presented by UCharIterator objects.
u_strcat
U_CAPI UChar * u_strcat(UChar *dst, const UChar *src)
Concatenate two ustrings.
u_strcmpCodePointOrder
U_CAPI int32_t u_strcmpCodePointOrder(const UChar *s1, const UChar *s2)
Compare two Unicode strings in code point order.
u_strFromUTF32WithSub
U_CAPI UChar * u_strFromUTF32WithSub(UChar *dest, int32_t destCapacity, int32_t *pDestLength, const UChar32 *src, int32_t srcLength, UChar32 subchar, int32_t *pNumSubstitutions, UErrorCode *pErrorCode)
Convert a UTF-32 string to UTF-16.
u_uastrcpy
U_CAPI UChar * u_uastrcpy(UChar *dst, const char *src)
Copy a byte string encoded in the default codepage to a ustring.
u_strFindFirst
U_CAPI UChar * u_strFindFirst(const UChar *s, int32_t length, const UChar *substring, int32_t subLength)
Find the first occurrence of a substring in a string.
u_strToUpper
U_CAPI int32_t u_strToUpper(UChar *dest, int32_t destCapacity, const UChar *src, int32_t srcLength, const char *locale, UErrorCode *pErrorCode)
Uppercase the characters in a string.
u_austrncpy
U_CAPI char * u_austrncpy(char *dst, const UChar *src, int32_t n)
Copy ustring to a byte string encoded in the default codepage.
u_memrchr32
U_CAPI UChar * u_memrchr32(const UChar *s, UChar32 c, int32_t count)
Find the last occurrence of a code point in a string.
u_memcasecmp
U_CAPI int32_t u_memcasecmp(const UChar *s1, const UChar *s2, int32_t length, uint32_t options)
Compare two strings case-insensitively using full case folding.
u_strrstr
U_CAPI UChar * u_strrstr(const UChar *s, const UChar *substring)
Find the last occurrence of a substring in a string.
u_strHasMoreChar32Than
U_CAPI UBool u_strHasMoreChar32Than(const UChar *s, int32_t length, int32_t number)
Check if the string contains more Unicode code points than a certain number.
u_strncpy
U_CAPI UChar * u_strncpy(UChar *dst, const UChar *src, int32_t n)
Copy a ustring.
u_strtok_r
U_CAPI UChar * u_strtok_r(UChar *src, const UChar *delim, UChar **saveState)
The string tokenizer API allows an application to break a string into tokens.
u_strcspn
U_CAPI int32_t u_strcspn(const UChar *string, const UChar *matchSet)
Returns the number of consecutive characters in string, beginning with the first, that do not occur s...
u_memchr32
U_CAPI UChar * u_memchr32(const UChar *s, UChar32 c, int32_t count)
Find the first occurrence of a code point in a string.
u_strCompare
U_CAPI int32_t u_strCompare(const UChar *s1, int32_t length1, const UChar *s2, int32_t length2, UBool codePointOrder)
Compare two Unicode strings (binary order).
u_strToUTF32WithSub
U_CAPI UChar32 * u_strToUTF32WithSub(UChar32 *dest, int32_t destCapacity, int32_t *pDestLength, const UChar *src, int32_t srcLength, UChar32 subchar, int32_t *pNumSubstitutions, UErrorCode *pErrorCode)
Convert a UTF-16 string to UTF-32.
u_memcpy
U_CAPI UChar * u_memcpy(UChar *dest, const UChar *src, int32_t count)
Synonym for memcpy(), but with UChars only.
u_memcmpCodePointOrder
U_CAPI int32_t u_memcmpCodePointOrder(const UChar *s1, const UChar *s2, int32_t count)
Compare two Unicode strings in code point order.
u_strFromJavaModifiedUTF8WithSub
U_CAPI UChar * u_strFromJavaModifiedUTF8WithSub(UChar *dest, int32_t destCapacity, int32_t *pDestLength, const char *src, int32_t srcLength, UChar32 subchar, int32_t *pNumSubstitutions, UErrorCode *pErrorCode)
Convert a Java Modified UTF-8 string to a 16-bit Unicode string.
u_strFoldCase
U_CAPI int32_t u_strFoldCase(UChar *dest, int32_t destCapacity, const UChar *src, int32_t srcLength, uint32_t options, UErrorCode *pErrorCode)
Case-folds the characters in a string.
u_strstr
U_CAPI UChar * u_strstr(const UChar *s, const UChar *substring)
Find the first occurrence of a substring in a string.
u_countChar32
U_CAPI int32_t u_countChar32(const UChar *s, int32_t length)
Count Unicode code points in the length UChar code units of the string.
u_strFromUTF32
U_CAPI UChar * u_strFromUTF32(UChar *dest, int32_t destCapacity, int32_t *pDestLength, const UChar32 *src, int32_t srcLength, UErrorCode *pErrorCode)
Convert a UTF-32 string to UTF-16.
u_strchr32
U_CAPI UChar * u_strchr32(const UChar *s, UChar32 c)
Find the first occurrence of a code point in a string.
u_strCaseCompare
U_CAPI int32_t u_strCaseCompare(const UChar *s1, int32_t length1, const UChar *s2, int32_t length2, uint32_t options, UErrorCode *pErrorCode)
Compare two strings case-insensitively using full case folding.
u_strcpy
U_CAPI UChar * u_strcpy(UChar *dst, const UChar *src)
Copy a ustring.
u_strrchr
U_CAPI UChar * u_strrchr(const UChar *s, UChar c)
Find the last occurrence of a BMP code point in a string.
utypes.h
Basic definitions for ICU, for both C and C++ APIs.
UErrorCode
UErrorCode
Standard ICU4C error code type, a substitute for exceptions.
Definition utypes.h:415