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-/*
- * Copyright (c) 2009 Public Software Group e. V., Berlin, Germany
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- */
-
-
-/** 
- * @mainpage
- *
- * utf8proc is a free/open-source (MIT/expat licensed) C library
- * providing Unicode normalization, case-folding, and other operations
- * for strings in the UTF-8 encoding, supporting Unicode version
- * 7.0.0.  See the utf8proc home page (http://julialang.org/utf8proc/)
- * for downloads and other information, or the source code on github
- * (https://github.com/JuliaLang/utf8proc).
- *
- * For the utf8proc API documentation, see: @ref utf8proc.h
- *
- * The features of utf8proc include:
- *
- * - Transformation of strings (@ref utf8proc_map) to:
- *    - decompose (@ref UTF8PROC_DECOMPOSE) or compose (@ref UTF8PROC_COMPOSE) Unicode combining characters (http://en.wikipedia.org/wiki/Combining_character)
- *    - canonicalize Unicode compatibility characters (@ref UTF8PROC_COMPAT)
- *    - strip "ignorable" (@ref UTF8PROC_IGNORE) characters, control characters (@ref UTF8PROC_STRIPCC), or combining characters such as accents (@ref UTF8PROC_STRIPMARK)
- *    - case-folding (@ref UTF8PROC_CASEFOLD)
- * - Unicode normalization: @ref utf8proc_NFD, @ref utf8proc_NFC, @ref utf8proc_NFKD, @ref utf8proc_NFKC
- * - Detecting grapheme boundaries (@ref utf8proc_grapheme_break and @ref UTF8PROC_CHARBOUND)
- * - Character-width computation: @ref utf8proc_charwidth
- * - Classification of characters by Unicode category: @ref utf8proc_category and @ref utf8proc_category_string
- * - Encode (@ref utf8proc_encode_char) and decode (@ref utf8proc_iterate) Unicode codepoints to/from UTF-8.
- */
-
-/** @file */
-
-#ifndef UTF8PROC_H
-#define UTF8PROC_H
-
-/** @name API version
- *  
- * The utf8proc API version MAJOR.MINOR.PATCH, following
- * semantic-versioning rules (http://semver.org) based on API
- * compatibility.
- *
- * This is also returned at runtime by @ref utf8proc_version; however, the
- * runtime version may append a string like "-dev" to the version number
- * for prerelease versions.
- *
- * @note The shared-library version number in the Makefile may be different,
- *       being based on ABI compatibility rather than API compatibility.
- */
-/** @{ */
-/** The MAJOR version number (increased when backwards API compatibility is broken). */
-#define UTF8PROC_VERSION_MAJOR 1
-/** The MINOR version number (increased when new functionality is added in a backwards-compatible manner). */
-#define UTF8PROC_VERSION_MINOR 3
-/** The PATCH version (increased for fixes that do not change the API). */
-#define UTF8PROC_VERSION_PATCH 0
-/** @} */
-
-#include <stdlib.h>
-#include <sys/types.h>
-#ifdef _MSC_VER
-typedef signed char utf8proc_int8_t;
-typedef unsigned char utf8proc_uint8_t;
-typedef short utf8proc_int16_t;
-typedef unsigned short utf8proc_uint16_t;
-typedef int utf8proc_int32_t;
-typedef unsigned int utf8proc_uint32_t;
-#  ifdef _WIN64
-typedef __int64 utf8proc_ssize_t;
-typedef unsigned __int64 utf8proc_size_t;
-#  else
-typedef int utf8proc_ssize_t;
-typedef unsigned int utf8proc_size_t;
-#  endif
-#  ifndef __cplusplus
-typedef unsigned char utf8proc_bool;
-enum {false, true};
-#  else
-typedef bool utf8proc_bool;
-#  endif
-#else
-#  include <stdbool.h>
-#  include <inttypes.h>
-typedef int8_t utf8proc_int8_t;
-typedef uint8_t utf8proc_uint8_t;
-typedef int16_t utf8proc_int16_t;
-typedef uint16_t utf8proc_uint16_t;
-typedef int32_t utf8proc_int32_t;
-typedef uint32_t utf8proc_uint32_t;
-typedef size_t utf8proc_size_t;
-typedef ssize_t utf8proc_ssize_t;
-typedef bool utf8proc_bool;
-#endif
-#include <limits.h>
-
-#ifdef _WIN32
-#  ifdef UTF8PROC_EXPORTS
-#    define UTF8PROC_DLLEXPORT __declspec(dllexport)
-#  else
-#    define UTF8PROC_DLLEXPORT __declspec(dllimport)
-#  endif
-#elif __GNUC__ >= 4
-#  define UTF8PROC_DLLEXPORT __attribute__ ((visibility("default")))
-#else
-#  define UTF8PROC_DLLEXPORT
-#endif
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#ifndef SSIZE_MAX
-#define SSIZE_MAX ((size_t)SIZE_MAX/2)
-#endif
-
-/**
- * Option flags used by several functions in the library.
- */
-typedef enum {
-  /** The given UTF-8 input is NULL terminated. */
-  UTF8PROC_NULLTERM  = (1<<0),
-  /** Unicode Versioning Stability has to be respected. */
-  UTF8PROC_STABLE    = (1<<1),
-  /** Compatibility decomposition (i.e. formatting information is lost). */
-  UTF8PROC_COMPAT    = (1<<2),
-  /** Return a result with decomposed characters. */
-  UTF8PROC_COMPOSE   = (1<<3),
-  /** Return a result with decomposed characters. */
-  UTF8PROC_DECOMPOSE = (1<<4),
-  /** Strip "default ignorable characters" such as SOFT-HYPHEN or ZERO-WIDTH-SPACE. */
-  UTF8PROC_IGNORE    = (1<<5),
-  /** Return an error, if the input contains unassigned codepoints. */
-  UTF8PROC_REJECTNA  = (1<<6),
-  /**
-   * Indicating that NLF-sequences (LF, CRLF, CR, NEL) are representing a
-   * line break, and should be converted to the codepoint for line
-   * separation (LS).
-   */
-  UTF8PROC_NLF2LS    = (1<<7),
-  /**
-   * Indicating that NLF-sequences are representing a paragraph break, and
-   * should be converted to the codepoint for paragraph separation
-   * (PS).
-   */
-  UTF8PROC_NLF2PS    = (1<<8),
-  /** Indicating that the meaning of NLF-sequences is unknown. */
-  UTF8PROC_NLF2LF    = (UTF8PROC_NLF2LS | UTF8PROC_NLF2PS),
-  /** Strips and/or convers control characters.
-   *
-   * NLF-sequences are transformed into space, except if one of the
-   * NLF2LS/PS/LF options is given. HorizontalTab (HT) and FormFeed (FF)
-   * are treated as a NLF-sequence in this case.  All other control
-   * characters are simply removed.
-   */
-  UTF8PROC_STRIPCC   = (1<<9),
-  /**
-   * Performs unicode case folding, to be able to do a case-insensitive
-   * string comparison.
-   */
-  UTF8PROC_CASEFOLD  = (1<<10),
-  /**
-   * Inserts 0xFF bytes at the beginning of each sequence which is
-   * representing a single grapheme cluster (see UAX#29).
-   */
-  UTF8PROC_CHARBOUND = (1<<11),
-  /** Lumps certain characters together.
-   *
-   * E.g. HYPHEN U+2010 and MINUS U+2212 to ASCII "-". See lump.md for details.
-   *
-   * If NLF2LF is set, this includes a transformation of paragraph and
-   * line separators to ASCII line-feed (LF).
-   */
-  UTF8PROC_LUMP      = (1<<12),
-  /** Strips all character markings.
-   *
-   * This includes non-spacing, spacing and enclosing (i.e. accents).
-   * @note This option works only with @ref UTF8PROC_COMPOSE or
-   *       @ref UTF8PROC_DECOMPOSE
-   */
-  UTF8PROC_STRIPMARK = (1<<13),
-} utf8proc_option_t;
-
-/** @name Error codes
- * Error codes being returned by almost all functions.
- */
-/** @{ */
-/** Memory could not be allocated. */
-#define UTF8PROC_ERROR_NOMEM -1
-/** The given string is too long to be processed. */
-#define UTF8PROC_ERROR_OVERFLOW -2
-/** The given string is not a legal UTF-8 string. */
-#define UTF8PROC_ERROR_INVALIDUTF8 -3
-/** The @ref UTF8PROC_REJECTNA flag was set and an unassigned codepoint was found. */
-#define UTF8PROC_ERROR_NOTASSIGNED -4
-/** Invalid options have been used. */
-#define UTF8PROC_ERROR_INVALIDOPTS -5
-/** @} */
-
-/* @name Types */
-
-/** Holds the value of a property. */
-typedef utf8proc_int16_t utf8proc_propval_t;
-
-/** Struct containing information about a codepoint. */
-typedef struct utf8proc_property_struct {
-  /**
-   * Unicode category.
-   * @see utf8proc_category_t.
-   */
-  utf8proc_propval_t category;
-  utf8proc_propval_t combining_class;
-  /**
-   * Bidirectional class.
-   * @see utf8proc_bidi_class_t.
-   */
-  utf8proc_propval_t bidi_class;
-  /**
-   * @anchor Decomposition type.
-   * @see utf8proc_decomp_type_t.
-   */
-  utf8proc_propval_t decomp_type;
-  const utf8proc_int32_t *decomp_mapping;
-  const utf8proc_int32_t *casefold_mapping;
-  utf8proc_int32_t uppercase_mapping;
-  utf8proc_int32_t lowercase_mapping;
-  utf8proc_int32_t titlecase_mapping;
-  utf8proc_int32_t comb1st_index;
-  utf8proc_int32_t comb2nd_index;
-  unsigned bidi_mirrored:1;
-  unsigned comp_exclusion:1;
-  /**
-   * Can this codepoint be ignored?
-   *
-   * Used by @ref utf8proc_decompose_char when @ref UTF8PROC_IGNORE is
-   * passed as an option.
-   */
-  unsigned ignorable:1;
-  unsigned control_boundary:1;
-  /**
-   * Boundclass.
-   * @see utf8proc_boundclass_t.
-   */
-  unsigned boundclass:4;
-  /** The width of the codepoint. */
-  unsigned charwidth:2;
-} utf8proc_property_t;
-
-/** Unicode categories. */
-typedef enum {
-  UTF8PROC_CATEGORY_CN  = 0, /**< Other, not assigned */
-  UTF8PROC_CATEGORY_LU  = 1, /**< Letter, uppercase */
-  UTF8PROC_CATEGORY_LL  = 2, /**< Letter, lowercase */
-  UTF8PROC_CATEGORY_LT  = 3, /**< Letter, titlecase */
-  UTF8PROC_CATEGORY_LM  = 4, /**< Letter, modifier */
-  UTF8PROC_CATEGORY_LO  = 5, /**< Letter, other */
-  UTF8PROC_CATEGORY_MN  = 6, /**< Mark, nonspacing */
-  UTF8PROC_CATEGORY_MC  = 7, /**< Mark, spacing combining */
-  UTF8PROC_CATEGORY_ME  = 8, /**< Mark, enclosing */
-  UTF8PROC_CATEGORY_ND  = 9, /**< Number, decimal digit */
-  UTF8PROC_CATEGORY_NL = 10, /**< Number, letter */
-  UTF8PROC_CATEGORY_NO = 11, /**< Number, other */
-  UTF8PROC_CATEGORY_PC = 12, /**< Punctuation, connector */
-  UTF8PROC_CATEGORY_PD = 13, /**< Punctuation, dash */
-  UTF8PROC_CATEGORY_PS = 14, /**< Punctuation, open */
-  UTF8PROC_CATEGORY_PE = 15, /**< Punctuation, close */
-  UTF8PROC_CATEGORY_PI = 16, /**< Punctuation, initial quote */
-  UTF8PROC_CATEGORY_PF = 17, /**< Punctuation, final quote */
-  UTF8PROC_CATEGORY_PO = 18, /**< Punctuation, other */
-  UTF8PROC_CATEGORY_SM = 19, /**< Symbol, math */
-  UTF8PROC_CATEGORY_SC = 20, /**< Symbol, currency */
-  UTF8PROC_CATEGORY_SK = 21, /**< Symbol, modifier */
-  UTF8PROC_CATEGORY_SO = 22, /**< Symbol, other */
-  UTF8PROC_CATEGORY_ZS = 23, /**< Separator, space */
-  UTF8PROC_CATEGORY_ZL = 24, /**< Separator, line */
-  UTF8PROC_CATEGORY_ZP = 25, /**< Separator, paragraph */
-  UTF8PROC_CATEGORY_CC = 26, /**< Other, control */
-  UTF8PROC_CATEGORY_CF = 27, /**< Other, format */
-  UTF8PROC_CATEGORY_CS = 28, /**< Other, surrogate */
-  UTF8PROC_CATEGORY_CO = 29, /**< Other, private use */
-} utf8proc_category_t;
-
-/** Bidirectional character classes. */
-typedef enum {
-  UTF8PROC_BIDI_CLASS_L     = 1, /**< Left-to-Right */
-  UTF8PROC_BIDI_CLASS_LRE   = 2, /**< Left-to-Right Embedding */
-  UTF8PROC_BIDI_CLASS_LRO   = 3, /**< Left-to-Right Override */
-  UTF8PROC_BIDI_CLASS_R     = 4, /**< Right-to-Left */
-  UTF8PROC_BIDI_CLASS_AL    = 5, /**< Right-to-Left Arabic */
-  UTF8PROC_BIDI_CLASS_RLE   = 6, /**< Right-to-Left Embedding */
-  UTF8PROC_BIDI_CLASS_RLO   = 7, /**< Right-to-Left Override */
-  UTF8PROC_BIDI_CLASS_PDF   = 8, /**< Pop Directional Format */
-  UTF8PROC_BIDI_CLASS_EN    = 9, /**< European Number */
-  UTF8PROC_BIDI_CLASS_ES   = 10, /**< European Separator */
-  UTF8PROC_BIDI_CLASS_ET   = 11, /**< European Number Terminator */
-  UTF8PROC_BIDI_CLASS_AN   = 12, /**< Arabic Number */
-  UTF8PROC_BIDI_CLASS_CS   = 13, /**< Common Number Separator */
-  UTF8PROC_BIDI_CLASS_NSM  = 14, /**< Nonspacing Mark */
-  UTF8PROC_BIDI_CLASS_BN   = 15, /**< Boundary Neutral */
-  UTF8PROC_BIDI_CLASS_B    = 16, /**< Paragraph Separator */
-  UTF8PROC_BIDI_CLASS_S    = 17, /**< Segment Separator */
-  UTF8PROC_BIDI_CLASS_WS   = 18, /**< Whitespace */
-  UTF8PROC_BIDI_CLASS_ON   = 19, /**< Other Neutrals */
-  UTF8PROC_BIDI_CLASS_LRI  = 20, /**< Left-to-Right Isolate */
-  UTF8PROC_BIDI_CLASS_RLI  = 21, /**< Right-to-Left Isolate */
-  UTF8PROC_BIDI_CLASS_FSI  = 22, /**< First Strong Isolate */
-  UTF8PROC_BIDI_CLASS_PDI  = 23, /**< Pop Directional Isolate */
-} utf8proc_bidi_class_t;
-
-/** Decomposition type. */
-typedef enum {
-  UTF8PROC_DECOMP_TYPE_FONT      = 1, /**< Font */
-  UTF8PROC_DECOMP_TYPE_NOBREAK   = 2, /**< Nobreak */
-  UTF8PROC_DECOMP_TYPE_INITIAL   = 3, /**< Initial */
-  UTF8PROC_DECOMP_TYPE_MEDIAL    = 4, /**< Medial */
-  UTF8PROC_DECOMP_TYPE_FINAL     = 5, /**< Final */
-  UTF8PROC_DECOMP_TYPE_ISOLATED  = 6, /**< Isolated */
-  UTF8PROC_DECOMP_TYPE_CIRCLE    = 7, /**< Circle */
-  UTF8PROC_DECOMP_TYPE_SUPER     = 8, /**< Super */
-  UTF8PROC_DECOMP_TYPE_SUB       = 9, /**< Sub */
-  UTF8PROC_DECOMP_TYPE_VERTICAL = 10, /**< Vertical */
-  UTF8PROC_DECOMP_TYPE_WIDE     = 11, /**< Wide */
-  UTF8PROC_DECOMP_TYPE_NARROW   = 12, /**< Narrow */
-  UTF8PROC_DECOMP_TYPE_SMALL    = 13, /**< Small */
-  UTF8PROC_DECOMP_TYPE_SQUARE   = 14, /**< Square */
-  UTF8PROC_DECOMP_TYPE_FRACTION = 15, /**< Fraction */
-  UTF8PROC_DECOMP_TYPE_COMPAT   = 16, /**< Compat */
-} utf8proc_decomp_type_t;
-
-/** Boundclass property. */
-typedef enum {
-  UTF8PROC_BOUNDCLASS_START              =  0, /**< Start */
-  UTF8PROC_BOUNDCLASS_OTHER              =  1, /**< Other */
-  UTF8PROC_BOUNDCLASS_CR                 =  2, /**< Cr */
-  UTF8PROC_BOUNDCLASS_LF                 =  3, /**< Lf */
-  UTF8PROC_BOUNDCLASS_CONTROL            =  4, /**< Control */
-  UTF8PROC_BOUNDCLASS_EXTEND             =  5, /**< Extend */
-  UTF8PROC_BOUNDCLASS_L                  =  6, /**< L */
-  UTF8PROC_BOUNDCLASS_V                  =  7, /**< V */
-  UTF8PROC_BOUNDCLASS_T                  =  8, /**< T */
-  UTF8PROC_BOUNDCLASS_LV                 =  9, /**< Lv */
-  UTF8PROC_BOUNDCLASS_LVT                = 10, /**< Lvt */
-  UTF8PROC_BOUNDCLASS_REGIONAL_INDICATOR = 11, /**< Regional indicator */
-  UTF8PROC_BOUNDCLASS_SPACINGMARK        = 12, /**< Spacingmark */
-} utf8proc_boundclass_t;
-
-/**
- * Array containing the byte lengths of a UTF-8 encoded codepoint based
- * on the first byte.
- */
-UTF8PROC_DLLEXPORT extern const utf8proc_int8_t utf8proc_utf8class[256];
-
-/**
- * Returns the utf8proc API version as a string MAJOR.MINOR.PATCH
- * (http://semver.org format), possibly with a "-dev" suffix for
- * development versions.
- */
-UTF8PROC_DLLEXPORT const char *utf8proc_version(void);
-
-/**
- * Returns an informative error string for the given utf8proc error code
- * (e.g. the error codes returned by @ref utf8proc_map).
- */
-UTF8PROC_DLLEXPORT const char *utf8proc_errmsg(utf8proc_ssize_t errcode);
-
-/**
- * Reads a single codepoint from the UTF-8 sequence being pointed to by `str`.
- * The maximum number of bytes read is `strlen`, unless `strlen` is
- * negative (in which case up to 4 bytes are read).
- *
- * If a valid codepoint could be read, it is stored in the variable
- * pointed to by `codepoint_ref`, otherwise that variable will be set to -1.
- * In case of success, the number of bytes read is returned; otherwise, a
- * negative error code is returned.
- */
-UTF8PROC_DLLEXPORT utf8proc_ssize_t utf8proc_iterate(const utf8proc_uint8_t *str, utf8proc_ssize_t strlen, utf8proc_int32_t *codepoint_ref);
-
-/**
- * Check if a codepoint is valid (regardless of whether it has been
- * assigned a value by the current Unicode standard).
- *
- * @return 1 if the given `codepoint` is valid and otherwise return 0.
- */
-UTF8PROC_DLLEXPORT utf8proc_bool utf8proc_codepoint_valid(utf8proc_int32_t codepoint);
-
-/**
- * Encodes the codepoint as an UTF-8 string in the byte array pointed
- * to by `dst`. This array must be at least 4 bytes long.
- *
- * In case of success the number of bytes written is returned, and
- * otherwise 0 is returned.
- *
- * This function does not check whether `codepoint` is valid Unicode.
- */
-UTF8PROC_DLLEXPORT utf8proc_ssize_t utf8proc_encode_char(utf8proc_int32_t codepoint, utf8proc_uint8_t *dst);
-
-/**
- * Look up the properties for a given codepoint.
- *
- * @param codepoint The Unicode codepoint.
- *
- * @returns
- * A pointer to a (constant) struct containing information about
- * the codepoint.
- * @par
- * If the codepoint is unassigned or invalid, a pointer to a special struct is
- * returned in which `category` is 0 (@ref UTF8PROC_CATEGORY_CN).
- */
-UTF8PROC_DLLEXPORT const utf8proc_property_t *utf8proc_get_property(utf8proc_int32_t codepoint);
-
-/** Decompose a codepoint into an array of codepoints.
- *
- * @param codepoint the codepoint.
- * @param dst the destination buffer.
- * @param bufsize the size of the destination buffer.
- * @param options one or more of the following flags:
- * - @ref UTF8PROC_REJECTNA  - return an error `codepoint` is unassigned
- * - @ref UTF8PROC_IGNORE    - strip "default ignorable" codepoints
- * - @ref UTF8PROC_CASEFOLD  - apply Unicode casefolding
- * - @ref UTF8PROC_COMPAT    - replace certain codepoints with their
- *                             compatibility decomposition
- * - @ref UTF8PROC_CHARBOUND - insert 0xFF bytes before each grapheme cluster
- * - @ref UTF8PROC_LUMP      - lump certain different codepoints together
- * - @ref UTF8PROC_STRIPMARK - remove all character marks
- * @param last_boundclass
- * Pointer to an integer variable containing
- * the previous codepoint's boundary class if the @ref UTF8PROC_CHARBOUND
- * option is used.  Otherwise, this parameter is ignored.
- *
- * @return
- * In case of success, the number of codepoints written is returned; in case
- * of an error, a negative error code is returned (@ref utf8proc_errmsg).
- * @par
- * If the number of written codepoints would be bigger than `bufsize`, the
- * required buffer size is returned, while the buffer will be overwritten with
- * undefined data.
- */
-UTF8PROC_DLLEXPORT utf8proc_ssize_t utf8proc_decompose_char(
-  utf8proc_int32_t codepoint, utf8proc_int32_t *dst, utf8proc_ssize_t bufsize,
-  utf8proc_option_t options, int *last_boundclass
-);
-
-/**
- * The same as @ref utf8proc_decompose_char, but acts on a whole UTF-8
- * string and orders the decomposed sequences correctly.
- *
- * If the @ref UTF8PROC_NULLTERM flag in `options` is set, processing
- * will be stopped, when a NULL byte is encounted, otherwise `strlen`
- * bytes are processed.  The result (in the form of 32-bit unicode
- * codepoints) is written into the buffer being pointed to by
- * `buffer` (which must contain at least `bufsize` entries).  In case of
- * success, the number of codepoints written is returned; in case of an
- * error, a negative error code is returned (@ref utf8proc_errmsg).
- *
- * If the number of written codepoints would be bigger than `bufsize`, the
- * required buffer size is returned, while the buffer will be overwritten with
- * undefined data.
- */
-UTF8PROC_DLLEXPORT utf8proc_ssize_t utf8proc_decompose(
-  const utf8proc_uint8_t *str, utf8proc_ssize_t strlen,
-  utf8proc_int32_t *buffer, utf8proc_ssize_t bufsize, utf8proc_option_t options
-);
-
-/**
- * Reencodes the sequence of `length` codepoints pointed to by `buffer`
- * UTF-8 data in-place (i.e., the result is also stored in `buffer`).
- *
- * @param buffer the (native-endian UTF-32) unicode codepoints to re-encode.
- * @param length the length (in codepoints) of the buffer.
- * @param options a bitwise or (`|`) of one or more of the following flags:
- * - @ref UTF8PROC_NLF2LS  - convert LF, CRLF, CR and NEL into LS
- * - @ref UTF8PROC_NLF2PS  - convert LF, CRLF, CR and NEL into PS
- * - @ref UTF8PROC_NLF2LF  - convert LF, CRLF, CR and NEL into LF
- * - @ref UTF8PROC_STRIPCC - strip or convert all non-affected control characters
- * - @ref UTF8PROC_COMPOSE - try to combine decomposed codepoints into composite
- *                           codepoints
- * - @ref UTF8PROC_STABLE  - prohibit combining characters that would violate
- *                           the unicode versioning stability
- *
- * @return
- * In case of success, the length (in bytes) of the resulting UTF-8 string is
- * returned; otherwise, a negative error code is returned (@ref utf8proc_errmsg).
- *
- * @warning The amount of free space pointed to by `buffer` must
- *          exceed the amount of the input data by one byte, and the
- *          entries of the array pointed to by `str` have to be in the
- *          range `0x0000` to `0x10FFFF`. Otherwise, the program might crash!
- */
-UTF8PROC_DLLEXPORT utf8proc_ssize_t utf8proc_reencode(utf8proc_int32_t *buffer, utf8proc_ssize_t length, utf8proc_option_t options);
-
-/**
- * Given a pair of consecutive codepoints, return whether a grapheme break is
- * permitted between them (as defined by the extended grapheme clusters in UAX#29).
- */
-UTF8PROC_DLLEXPORT utf8proc_bool utf8proc_grapheme_break(utf8proc_int32_t codepoint1, utf8proc_int32_t codepoint2);
-
-
-/**
- * Given a codepoint `c`, return the codepoint of the corresponding
- * lower-case character, if any; otherwise (if there is no lower-case
- * variant, or if `c` is not a valid codepoint) return `c`.
- */
-UTF8PROC_DLLEXPORT utf8proc_int32_t utf8proc_tolower(utf8proc_int32_t c);
-
-/**
- * Given a codepoint `c`, return the codepoint of the corresponding
- * upper-case character, if any; otherwise (if there is no upper-case
- * variant, or if `c` is not a valid codepoint) return `c`.
- */
-UTF8PROC_DLLEXPORT utf8proc_int32_t utf8proc_toupper(utf8proc_int32_t c);
-
-/**
- * Given a codepoint, return a character width analogous to `wcwidth(codepoint)`,
- * except that a width of 0 is returned for non-printable codepoints
- * instead of -1 as in `wcwidth`.
- * 
- * @note
- * If you want to check for particular types of non-printable characters,
- * (analogous to `isprint` or `iscntrl`), use @ref utf8proc_category. */
-UTF8PROC_DLLEXPORT int utf8proc_charwidth(utf8proc_int32_t codepoint);
-
-/**
- * Return the Unicode category for the codepoint (one of the
- * @ref utf8proc_category_t constants.)
- */
-UTF8PROC_DLLEXPORT utf8proc_category_t utf8proc_category(utf8proc_int32_t codepoint);
-
-/**
- * Return the two-letter (nul-terminated) Unicode category string for
- * the codepoint (e.g. `"Lu"` or `"Co"`).
- */
-UTF8PROC_DLLEXPORT const char *utf8proc_category_string(utf8proc_int32_t codepoint);
-
-/**
- * Maps the given UTF-8 string pointed to by `str` to a new UTF-8
- * string, allocated dynamically by `malloc` and returned via `dstptr`.
- *
- * If the @ref UTF8PROC_NULLTERM flag in the `options` field is set,
- * the length is determined by a NULL terminator, otherwise the
- * parameter `strlen` is evaluated to determine the string length, but
- * in any case the result will be NULL terminated (though it might
- * contain NULL characters with the string if `str` contained NULL
- * characters). Other flags in the `options` field are passed to the
- * functions defined above, and regarded as described.
- *
- * In case of success the length of the new string is returned,
- * otherwise a negative error code is returned.
- *
- * @note The memory of the new UTF-8 string will have been allocated
- * with `malloc`, and should therefore be deallocated with `free`.
- */
-UTF8PROC_DLLEXPORT utf8proc_ssize_t utf8proc_map(
-  const utf8proc_uint8_t *str, utf8proc_ssize_t strlen, utf8proc_uint8_t **dstptr, utf8proc_option_t options
-);
-
-/** @name Unicode normalization
- *
- * Returns a pointer to newly allocated memory of a NFD, NFC, NFKD or NFKC
- * normalized version of the null-terminated string `str`.  These
- * are shortcuts to calling @ref utf8proc_map with @ref UTF8PROC_NULLTERM
- * combined with @ref UTF8PROC_STABLE and flags indicating the normalization.
- */
-/** @{ */
-/** NFD normalization (@ref UTF8PROC_DECOMPOSE). */
-UTF8PROC_DLLEXPORT utf8proc_uint8_t *utf8proc_NFD(const utf8proc_uint8_t *str);
-/** NFC normalization (@ref UTF8PROC_COMPOSE). */
-UTF8PROC_DLLEXPORT utf8proc_uint8_t *utf8proc_NFC(const utf8proc_uint8_t *str);
-/** NFD normalization (@ref UTF8PROC_DECOMPOSE and @ref UTF8PROC_COMPAT). */
-UTF8PROC_DLLEXPORT utf8proc_uint8_t *utf8proc_NFKD(const utf8proc_uint8_t *str);
-/** NFD normalization (@ref UTF8PROC_COMPOSE and @ref UTF8PROC_COMPAT). */
-UTF8PROC_DLLEXPORT utf8proc_uint8_t *utf8proc_NFKC(const utf8proc_uint8_t *str);
-/** @} */
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif
-