src/third_party/icu/public/common/unicode/umachine.h - cobalt - Git at Google

 /*
 ******************************************************************************
 *
 *   Copyright (C) 1999-2010, International Business Machines
 *   Corporation and others.  All Rights Reserved.
 *
 ******************************************************************************
 *   file name:  umachine.h
 *   encoding:   US-ASCII
 *   tab size:   8 (not used)
 *   indentation:4
 *
 *   created on: 1999sep13
 *   created by: Markus W. Scherer
 *
 *   This file defines basic types and constants for utf.h to be
 *   platform-independent. umachine.h and utf.h are included into
 *   utypes.h to provide all the general definitions for ICU.
 *   All of these definitions used to be in utypes.h before
 *   the UTF-handling macros made this unmaintainable.
 */

 #ifndef __UMACHINE_H__
 #define __UMACHINE_H__


 /**
  * \file
  * \brief Basic types and constants for UTF
  *
  * <h2> Basic types and constants for UTF </h2>
  *   This file defines basic types and constants for utf.h to be
  *   platform-independent. umachine.h and utf.h are included into
  *   utypes.h to provide all the general definitions for ICU.
  *   All of these definitions used to be in utypes.h before
  *   the UTF-handling macros made this unmaintainable.
  *
  */
 /*==========================================================================*/
 /* Include platform-dependent definitions                                   */
 /* which are contained in the platform-specific file platform.h             */
 /*==========================================================================*/
 #if defined(__LB_SHELL__)
 #   include "unicode/ptypes.h"
 #elif defined(U_PALMOS)
 #   include "unicode/ppalmos.h"
 #elif !defined(__MINGW32__) && (defined(WIN32) || defined(_WIN32) || defined(WIN64) || defined(_WIN64))
 #ifdef CYGWINMSVC
 #   include "unicode/platform.h"
 #endif
 #   include "unicode/pwin32.h"
 #else
 #   include "unicode/ptypes.h" /* platform.h is included in ptypes.h */
 #endif

 /*
  * ANSI C headers:
  * stddef.h defines wchar_t
  */
 #include <stddef.h>

 /*==========================================================================*/
 /* XP_CPLUSPLUS is a cross-platform symbol which should be defined when     */
 /* using C++.  It should not be defined when compiling under C.             */
 /*==========================================================================*/

 #ifdef __cplusplus
 #   ifndef XP_CPLUSPLUS
 #       define XP_CPLUSPLUS
 #   endif
 #else
 #   undef XP_CPLUSPLUS
 #endif

 /*==========================================================================*/
 /* For C wrappers, we use the symbol U_STABLE.                                */
 /* This works properly if the includer is C or C++.                         */
 /* Functions are declared   U_STABLE return-type U_EXPORT2 function-name()... */
 /*==========================================================================*/

 /**
  * \def U_CFUNC
  * This is used in a declaration of a library private ICU C function.
  * @stable ICU 2.4
  */

 /**
  * \def U_CDECL_BEGIN
  * This is used to begin a declaration of a library private ICU C API.
  * @stable ICU 2.4
  */

 /**
  * \def U_CDECL_END
  * This is used to end a declaration of a library private ICU C API
  * @stable ICU 2.4
  */

 #ifdef XP_CPLUSPLUS
 #   define U_CFUNC extern "C"
 #   define U_CDECL_BEGIN extern "C" {
 #   define U_CDECL_END   }
 #else
 #   define U_CFUNC extern
 #   define U_CDECL_BEGIN
 #   define U_CDECL_END
 #endif

 /**
  * \def U_ATTRIBUTE_DEPRECATED
  *  This is used for GCC specific attributes
  * @internal
  */
 #if defined(__GNUC__) && (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 2))
 #    define U_ATTRIBUTE_DEPRECATED __attribute__ ((deprecated))
 /**
  * \def U_ATTRIBUTE_DEPRECATED
  * This is used for Visual C++ specific attributes
  * @internal
  */
 #elif defined(U_WINDOWS) && defined(_MSC_VER) && (_MSC_VER >= 1400)
 #    define U_ATTRIBUTE_DEPRECATED __declspec(deprecated)
 #else
 #    define U_ATTRIBUTE_DEPRECATED
 #endif
 /** This is used to declare a function as a public ICU C API @stable ICU 2.0*/
 #define U_CAPI U_CFUNC U_EXPORT
 /** This is used to declare a function as a stable public ICU C API*/
 #define U_STABLE U_CAPI
 /** This is used to declare a function as a draft public ICU C API  */
 #define U_DRAFT  U_CAPI
 /** This is used to declare a function as a deprecated public ICU C API  */
 #define U_DEPRECATED U_CAPI U_ATTRIBUTE_DEPRECATED
 /** This is used to declare a function as an obsolete public ICU C API  */
 #define U_OBSOLETE U_CAPI
 /** This is used to declare a function as an internal ICU C API  */
 #define U_INTERNAL U_CAPI

 /*==========================================================================*/
 /* limits for int32_t etc., like in POSIX inttypes.h                        */
 /*==========================================================================*/

 #ifndef INT8_MIN
 /** The smallest value an 8 bit signed integer can hold @stable ICU 2.0 */
 #   define INT8_MIN        ((int8_t)(-128))
 #endif
 #ifndef INT16_MIN
 /** The smallest value a 16 bit signed integer can hold @stable ICU 2.0 */
 #   define INT16_MIN       ((int16_t)(-32767-1))
 #endif
 #ifndef INT32_MIN
 /** The smallest value a 32 bit signed integer can hold @stable ICU 2.0 */
 #   define INT32_MIN       ((int32_t)(-2147483647-1))
 #endif

 #ifndef INT8_MAX
 /** The largest value an 8 bit signed integer can hold @stable ICU 2.0 */
 #   define INT8_MAX        ((int8_t)(127))
 #endif
 #ifndef INT16_MAX
 /** The largest value a 16 bit signed integer can hold @stable ICU 2.0 */
 #   define INT16_MAX       ((int16_t)(32767))
 #endif
 #ifndef INT32_MAX
 /** The largest value a 32 bit signed integer can hold @stable ICU 2.0 */
 #   define INT32_MAX       ((int32_t)(2147483647))
 #endif

 #ifndef UINT8_MAX
 /** The largest value an 8 bit unsigned integer can hold @stable ICU 2.0 */
 #   define UINT8_MAX       ((uint8_t)(255U))
 #endif
 #ifndef UINT16_MAX
 /** The largest value a 16 bit unsigned integer can hold @stable ICU 2.0 */
 #   define UINT16_MAX      ((uint16_t)(65535U))
 #endif
 #ifndef UINT32_MAX
 /** The largest value a 32 bit unsigned integer can hold @stable ICU 2.0 */
 #   define UINT32_MAX      ((uint32_t)(4294967295U))
 #endif

 #if defined(U_INT64_T_UNAVAILABLE)
 # error int64_t is required for decimal format and rule-based number format.
 #else
 # ifndef INT64_C
 /**
  * Provides a platform independent way to specify a signed 64-bit integer constant.
  * note: may be wrong for some 64 bit platforms - ensure your compiler provides INT64_C
  * @stable ICU 2.8
  */
 #   define INT64_C(c) c ## LL
 # endif
 # ifndef UINT64_C
 /**
  * Provides a platform independent way to specify an unsigned 64-bit integer constant.
  * note: may be wrong for some 64 bit platforms - ensure your compiler provides UINT64_C
  * @stable ICU 2.8
  */
 #   define UINT64_C(c) c ## ULL
 # endif
 # ifndef U_INT64_MIN
 /** The smallest value a 64 bit signed integer can hold @stable ICU 2.8 */
 #     define U_INT64_MIN       ((int64_t)(INT64_C(-9223372036854775807)-1))
 # endif
 # ifndef U_INT64_MAX
 /** The largest value a 64 bit signed integer can hold @stable ICU 2.8 */
 #     define U_INT64_MAX       ((int64_t)(INT64_C(9223372036854775807)))
 # endif
 # ifndef U_UINT64_MAX
 /** The largest value a 64 bit unsigned integer can hold @stable ICU 2.8 */
 #     define U_UINT64_MAX      ((uint64_t)(UINT64_C(18446744073709551615)))
 # endif
 #endif

 /*==========================================================================*/
 /* Boolean data type                                                        */
 /*==========================================================================*/

 /** The ICU boolean type @stable ICU 2.0 */
 typedef int8_t UBool;

 #ifndef TRUE
 /** The TRUE value of a UBool @stable ICU 2.0 */
 #   define TRUE  1
 #endif
 #ifndef FALSE
 /** The FALSE value of a UBool @stable ICU 2.0 */
 #   define FALSE 0
 #endif


 /*==========================================================================*/
 /* Unicode data types                                                       */
 /*==========================================================================*/

 /* wchar_t-related definitions -------------------------------------------- */

 /**
  * \def U_HAVE_WCHAR_H
  * Indicates whether <wchar.h> is available (1) or not (0). Set to 1 by default.
  *
  * @stable ICU 2.0
  */
 #ifndef U_HAVE_WCHAR_H
 #   define U_HAVE_WCHAR_H 1
 #endif

 /**
  * \def U_SIZEOF_WCHAR_T
  * U_SIZEOF_WCHAR_T==sizeof(wchar_t) (0 means it is not defined or autoconf could not set it)
  *
  * @stable ICU 2.0
  */
 #if U_SIZEOF_WCHAR_T==0
 #   undef U_SIZEOF_WCHAR_T
 #   define U_SIZEOF_WCHAR_T 4
 #endif

 /*
  * \def U_WCHAR_IS_UTF16
  * Defined if wchar_t uses UTF-16.
  *
  * @stable ICU 2.0
  */
 /*
  * \def U_WCHAR_IS_UTF32
  * Defined if wchar_t uses UTF-32.
  *
  * @stable ICU 2.0
  */
 #if !defined(U_WCHAR_IS_UTF16) && !defined(U_WCHAR_IS_UTF32)
 #   ifdef __STDC_ISO_10646__
 #       if (U_SIZEOF_WCHAR_T==2)
 #           define U_WCHAR_IS_UTF16
 #       elif (U_SIZEOF_WCHAR_T==4)
 #           define  U_WCHAR_IS_UTF32
 #       endif
 #   elif defined __UCS2__
 #       if (__OS390__ || __OS400__) && (U_SIZEOF_WCHAR_T==2)
 #           define U_WCHAR_IS_UTF16
 #       endif
 #   elif defined __UCS4__
 #       if (U_SIZEOF_WCHAR_T==4)
 #           define U_WCHAR_IS_UTF32
 #       endif
 #   elif defined(U_WINDOWS)
 #       define U_WCHAR_IS_UTF16
 #   endif
 #endif

 /* UChar and UChar32 definitions -------------------------------------------- */

 /** Number of bytes in a UChar. @stable ICU 2.0 */
 #define U_SIZEOF_UCHAR 2

 /**
  * \var UChar
  * Define UChar to be wchar_t if that is 16 bits wide; always assumed to be unsigned.
  * If wchar_t is not 16 bits wide, then define UChar to be uint16_t or char16_t because GCC >=4.4
  * can handle UTF16 string literals.
  * This makes the definition of UChar platform-dependent
  * but allows direct string type compatibility with platforms with
  * 16-bit wchar_t types.
  *
  * @draft ICU 4.4
  */

 /* Define UChar to be compatible with wchar_t if possible. */
 #if U_SIZEOF_WCHAR_T==2
     typedef wchar_t UChar;
 #elif U_GNUC_UTF16_STRING
 #if defined _GCC_
     typedef __CHAR16_TYPE__ char16_t;
 #endif
     typedef char16_t UChar;
 #else
     typedef uint16_t UChar;
 #endif

 /**
  * Define UChar32 as a type for single Unicode code points.
  * UChar32 is a signed 32-bit integer (same as int32_t).
  *
  * The Unicode code point range is 0..0x10ffff.
  * All other values (negative or >=0x110000) are illegal as Unicode code points.
  * They may be used as sentinel values to indicate "done", "error"
  * or similar non-code point conditions.
  *
  * Before ICU 2.4 (Jitterbug 2146), UChar32 was defined
  * to be wchar_t if that is 32 bits wide (wchar_t may be signed or unsigned)
  * or else to be uint32_t.
  * That is, the definition of UChar32 was platform-dependent.
  *
  * @see U_SENTINEL
  * @stable ICU 2.4
  */
 typedef int32_t UChar32;

 /*==========================================================================*/
 /* U_INLINE and U_ALIGN_CODE   Set default values if these are not already  */
 /*                             defined.  Definitions normally are in        */
 /*                             platform.h or the corresponding file for     */
 /*                             the OS in use.                               */
 /*==========================================================================*/

 #ifndef U_HIDE_INTERNAL_API

 /**
  * \def U_ALIGN_CODE
  * This is used to align code fragments to a specific byte boundary.
  * This is useful for getting consistent performance test results.
  * @internal
  */
 #ifndef U_ALIGN_CODE
 #   define U_ALIGN_CODE(n)
 #endif

 #endif /* U_HIDE_INTERNAL_API */

 /**
  * \def U_INLINE
  * This is used to request inlining of a function, on platforms and languages which support it.
  */

 #ifndef U_INLINE
 #   ifdef XP_CPLUSPLUS
 #       define U_INLINE inline
 #   else
 #       define U_INLINE
 #   endif
 #endif

 #include "unicode/urename.h"

 #endif
	/*
	******************************************************************************
	*
	* Copyright (C) 1999-2010, International Business Machines
	* Corporation and others. All Rights Reserved.
	*
	******************************************************************************
	* file name: umachine.h
	* encoding: US-ASCII
	* tab size: 8 (not used)
	* indentation:4
	*
	* created on: 1999sep13
	* created by: Markus W. Scherer
	*
	* This file defines basic types and constants for utf.h to be
	* platform-independent. umachine.h and utf.h are included into
	* utypes.h to provide all the general definitions for ICU.
	* All of these definitions used to be in utypes.h before
	* the UTF-handling macros made this unmaintainable.
	*/

	#ifndef __UMACHINE_H__
	#define __UMACHINE_H__


	/**
	* \file
	* \brief Basic types and constants for UTF
	*
	* <h2> Basic types and constants for UTF </h2>
	* This file defines basic types and constants for utf.h to be
	* platform-independent. umachine.h and utf.h are included into
	* utypes.h to provide all the general definitions for ICU.
	* All of these definitions used to be in utypes.h before
	* the UTF-handling macros made this unmaintainable.
	*
	*/
	/==========================================================================/
	/* Include platform-dependent definitions */
	/* which are contained in the platform-specific file platform.h */
	/==========================================================================/
	#if defined(__LB_SHELL__)
	# include "unicode/ptypes.h"
	#elif defined(U_PALMOS)
	# include "unicode/ppalmos.h"
	#elif !defined(__MINGW32__) && (defined(WIN32) \|\| defined(_WIN32) \|\| defined(WIN64) \|\| defined(_WIN64))
	#ifdef CYGWINMSVC
	# include "unicode/platform.h"
	#endif
	# include "unicode/pwin32.h"
	#else
	# include "unicode/ptypes.h" /* platform.h is included in ptypes.h */
	#endif

	/*
	* ANSI C headers:
	* stddef.h defines wchar_t
	*/
	#include <stddef.h>

	/==========================================================================/
	/* XP_CPLUSPLUS is a cross-platform symbol which should be defined when */
	/* using C++. It should not be defined when compiling under C. */
	/==========================================================================/

	#ifdef __cplusplus
	# ifndef XP_CPLUSPLUS
	# define XP_CPLUSPLUS
	# endif
	#else
	# undef XP_CPLUSPLUS
	#endif

	/==========================================================================/
	/* For C wrappers, we use the symbol U_STABLE. */
	/* This works properly if the includer is C or C++. */
	/* Functions are declared U_STABLE return-type U_EXPORT2 function-name()... */
	/==========================================================================/

	/**
	* \def U_CFUNC
	* This is used in a declaration of a library private ICU C function.
	* @stable ICU 2.4
	*/

	/**
	* \def U_CDECL_BEGIN
	* This is used to begin a declaration of a library private ICU C API.
	* @stable ICU 2.4
	*/

	/**
	* \def U_CDECL_END
	* This is used to end a declaration of a library private ICU C API
	* @stable ICU 2.4
	*/

	#ifdef XP_CPLUSPLUS
	# define U_CFUNC extern "C"
	# define U_CDECL_BEGIN extern "C" {
	# define U_CDECL_END }
	#else
	# define U_CFUNC extern
	# define U_CDECL_BEGIN
	# define U_CDECL_END
	#endif

	/**
	* \def U_ATTRIBUTE_DEPRECATED
	* This is used for GCC specific attributes
	* @internal
	*/
	#if defined(__GNUC__) && (__GNUC__ > 3 \|\| (__GNUC__ == 3 && __GNUC_MINOR__ >= 2))
	# define U_ATTRIBUTE_DEPRECATED __attribute__ ((deprecated))
	/**
	* \def U_ATTRIBUTE_DEPRECATED
	* This is used for Visual C++ specific attributes
	* @internal
	*/
	#elif defined(U_WINDOWS) && defined(_MSC_VER) && (_MSC_VER >= 1400)
	# define U_ATTRIBUTE_DEPRECATED __declspec(deprecated)
	#else
	# define U_ATTRIBUTE_DEPRECATED
	#endif
	/** This is used to declare a function as a public ICU C API @stable ICU 2.0*/
	#define U_CAPI U_CFUNC U_EXPORT
	/** This is used to declare a function as a stable public ICU C API*/
	#define U_STABLE U_CAPI
	/** This is used to declare a function as a draft public ICU C API */
	#define U_DRAFT U_CAPI
	/** This is used to declare a function as a deprecated public ICU C API */
	#define U_DEPRECATED U_CAPI U_ATTRIBUTE_DEPRECATED
	/** This is used to declare a function as an obsolete public ICU C API */
	#define U_OBSOLETE U_CAPI
	/** This is used to declare a function as an internal ICU C API */
	#define U_INTERNAL U_CAPI

	/==========================================================================/
	/* limits for int32_t etc., like in POSIX inttypes.h */
	/==========================================================================/

	#ifndef INT8_MIN
	/** The smallest value an 8 bit signed integer can hold @stable ICU 2.0 */
	# define INT8_MIN ((int8_t)(-128))
	#endif
	#ifndef INT16_MIN
	/** The smallest value a 16 bit signed integer can hold @stable ICU 2.0 */
	# define INT16_MIN ((int16_t)(-32767-1))
	#endif
	#ifndef INT32_MIN
	/** The smallest value a 32 bit signed integer can hold @stable ICU 2.0 */
	# define INT32_MIN ((int32_t)(-2147483647-1))
	#endif

	#ifndef INT8_MAX
	/** The largest value an 8 bit signed integer can hold @stable ICU 2.0 */
	# define INT8_MAX ((int8_t)(127))
	#endif
	#ifndef INT16_MAX
	/** The largest value a 16 bit signed integer can hold @stable ICU 2.0 */
	# define INT16_MAX ((int16_t)(32767))
	#endif
	#ifndef INT32_MAX
	/** The largest value a 32 bit signed integer can hold @stable ICU 2.0 */
	# define INT32_MAX ((int32_t)(2147483647))
	#endif

	#ifndef UINT8_MAX
	/** The largest value an 8 bit unsigned integer can hold @stable ICU 2.0 */
	# define UINT8_MAX ((uint8_t)(255U))
	#endif
	#ifndef UINT16_MAX
	/** The largest value a 16 bit unsigned integer can hold @stable ICU 2.0 */
	# define UINT16_MAX ((uint16_t)(65535U))
	#endif
	#ifndef UINT32_MAX
	/** The largest value a 32 bit unsigned integer can hold @stable ICU 2.0 */
	# define UINT32_MAX ((uint32_t)(4294967295U))
	#endif

	#if defined(U_INT64_T_UNAVAILABLE)
	# error int64_t is required for decimal format and rule-based number format.
	#else
	# ifndef INT64_C
	/**
	* Provides a platform independent way to specify a signed 64-bit integer constant.
	* note: may be wrong for some 64 bit platforms - ensure your compiler provides INT64_C
	* @stable ICU 2.8
	*/
	# define INT64_C(c) c ## LL
	# endif
	# ifndef UINT64_C
	/**
	* Provides a platform independent way to specify an unsigned 64-bit integer constant.
	* note: may be wrong for some 64 bit platforms - ensure your compiler provides UINT64_C
	* @stable ICU 2.8
	*/
	# define UINT64_C(c) c ## ULL
	# endif
	# ifndef U_INT64_MIN
	/** The smallest value a 64 bit signed integer can hold @stable ICU 2.8 */
	# define U_INT64_MIN ((int64_t)(INT64_C(-9223372036854775807)-1))
	# endif
	# ifndef U_INT64_MAX
	/** The largest value a 64 bit signed integer can hold @stable ICU 2.8 */
	# define U_INT64_MAX ((int64_t)(INT64_C(9223372036854775807)))
	# endif
	# ifndef U_UINT64_MAX
	/** The largest value a 64 bit unsigned integer can hold @stable ICU 2.8 */
	# define U_UINT64_MAX ((uint64_t)(UINT64_C(18446744073709551615)))
	# endif
	#endif

	/==========================================================================/
	/* Boolean data type */
	/==========================================================================/

	/** The ICU boolean type @stable ICU 2.0 */
	typedef int8_t UBool;

	#ifndef TRUE
	/** The TRUE value of a UBool @stable ICU 2.0 */
	# define TRUE 1
	#endif
	#ifndef FALSE
	/** The FALSE value of a UBool @stable ICU 2.0 */
	# define FALSE 0
	#endif


	/==========================================================================/
	/* Unicode data types */
	/==========================================================================/

	/* wchar_t-related definitions -------------------------------------------- */

	/**
	* \def U_HAVE_WCHAR_H
	* Indicates whether <wchar.h> is available (1) or not (0). Set to 1 by default.
	*
	* @stable ICU 2.0
	*/
	#ifndef U_HAVE_WCHAR_H
	# define U_HAVE_WCHAR_H 1
	#endif

	/**
	* \def U_SIZEOF_WCHAR_T
	* U_SIZEOF_WCHAR_T==sizeof(wchar_t) (0 means it is not defined or autoconf could not set it)
	*
	* @stable ICU 2.0
	*/
	#if U_SIZEOF_WCHAR_T==0
	# undef U_SIZEOF_WCHAR_T
	# define U_SIZEOF_WCHAR_T 4
	#endif

	/*
	* \def U_WCHAR_IS_UTF16
	* Defined if wchar_t uses UTF-16.
	*
	* @stable ICU 2.0
	*/
	/*
	* \def U_WCHAR_IS_UTF32
	* Defined if wchar_t uses UTF-32.
	*
	* @stable ICU 2.0
	*/
	#if !defined(U_WCHAR_IS_UTF16) && !defined(U_WCHAR_IS_UTF32)
	# ifdef __STDC_ISO_10646__
	# if (U_SIZEOF_WCHAR_T==2)
	# define U_WCHAR_IS_UTF16
	# elif (U_SIZEOF_WCHAR_T==4)
	# define U_WCHAR_IS_UTF32
	# endif
	# elif defined __UCS2__
	# if (__OS390__ \|\| __OS400__) && (U_SIZEOF_WCHAR_T==2)
	# define U_WCHAR_IS_UTF16
	# endif
	# elif defined __UCS4__
	# if (U_SIZEOF_WCHAR_T==4)
	# define U_WCHAR_IS_UTF32
	# endif
	# elif defined(U_WINDOWS)
	# define U_WCHAR_IS_UTF16
	# endif
	#endif

	/* UChar and UChar32 definitions -------------------------------------------- */

	/** Number of bytes in a UChar. @stable ICU 2.0 */
	#define U_SIZEOF_UCHAR 2

	/**
	* \var UChar
	* Define UChar to be wchar_t if that is 16 bits wide; always assumed to be unsigned.
	* If wchar_t is not 16 bits wide, then define UChar to be uint16_t or char16_t because GCC >=4.4
	* can handle UTF16 string literals.
	* This makes the definition of UChar platform-dependent
	* but allows direct string type compatibility with platforms with
	* 16-bit wchar_t types.
	*
	* @draft ICU 4.4
	*/

	/* Define UChar to be compatible with wchar_t if possible. */
	#if U_SIZEOF_WCHAR_T==2
	typedef wchar_t UChar;
	#elif U_GNUC_UTF16_STRING
	#if defined _GCC_
	typedef __CHAR16_TYPE__ char16_t;
	#endif
	typedef char16_t UChar;
	#else
	typedef uint16_t UChar;
	#endif

	/**
	* Define UChar32 as a type for single Unicode code points.
	* UChar32 is a signed 32-bit integer (same as int32_t).
	*
	* The Unicode code point range is 0..0x10ffff.
	* All other values (negative or >=0x110000) are illegal as Unicode code points.
	* They may be used as sentinel values to indicate "done", "error"
	* or similar non-code point conditions.
	*
	* Before ICU 2.4 (Jitterbug 2146), UChar32 was defined
	* to be wchar_t if that is 32 bits wide (wchar_t may be signed or unsigned)
	* or else to be uint32_t.
	* That is, the definition of UChar32 was platform-dependent.
	*
	* @see U_SENTINEL
	* @stable ICU 2.4
	*/
	typedef int32_t UChar32;

	/==========================================================================/
	/* U_INLINE and U_ALIGN_CODE Set default values if these are not already */
	/* defined. Definitions normally are in */
	/* platform.h or the corresponding file for */
	/* the OS in use. */
	/==========================================================================/

	#ifndef U_HIDE_INTERNAL_API

	/**
	* \def U_ALIGN_CODE
	* This is used to align code fragments to a specific byte boundary.
	* This is useful for getting consistent performance test results.
	* @internal
	*/
	#ifndef U_ALIGN_CODE
	# define U_ALIGN_CODE(n)
	#endif

	#endif /* U_HIDE_INTERNAL_API */

	/**
	* \def U_INLINE
	* This is used to request inlining of a function, on platforms and languages which support it.
	*/

	#ifndef U_INLINE
	# ifdef XP_CPLUSPLUS
	# define U_INLINE inline
	# else
	# define U_INLINE
	# endif
	#endif

	#include "unicode/urename.h"

	#endif