Headers/prologue.h - brltty - Git at Google

 /*
  * BRLTTY - A background process providing access to the console screen (when in
  *          text mode) for a blind person using a refreshable braille display.
  *
  * Copyright (C) 1995-2023 by The BRLTTY Developers.
  *
  * BRLTTY comes with ABSOLUTELY NO WARRANTY.
  *
  * This is free software, placed under the terms of the
  * GNU Lesser General Public License, as published by the Free Software
  * Foundation; either version 2.1 of the License, or (at your option) any
  * later version. Please see the file LICENSE-LGPL for details.
  *
  * Web Page: http://brltty.app/
  *
  * This software is maintained by Dave Mielke <dave@mielke.cc>.
  */

 #ifndef BRLTTY_INCLUDED_PROLOGUE
 #define BRLTTY_INCLUDED_PROLOGUE

 #ifdef __cplusplus
 extern "C" {
 #endif /* __cplusplus */

 #undef HAVE_BUILTIN_POPCOUNT
 #undef HAVE_SYNC_SYNCHRONIZE

 #ifdef __has_builtin
 #if __has_builtin(__builtin_popcount)
 #define HAVE_BUILTIN_POPCOUNT
 #endif /* __has_builtin(__builtin_popcount) */

 #if __has_builtin(__sync_synchronize)
 #define HAVE_SYNC_SYNCHRONIZE
 #endif /* __has_builtin(__sync_synchronize) */
 #endif /* __has_builtin */

 #ifndef HAVE_SYNC_SYNCHRONIZE
 static inline void __sync_synchronize (void) {}
 #endif /* HAVE_SYNC_SYNCHRONIZE */

 #define CONCATENATE_1(a,b) a##b
 #define CONCATENATE(a,b) CONCATENATE_1(a,b)

 #define STRINGIFY_1(a) #a
 #define STRINGIFY(a) STRINGIFY_1(a)

 // only use in the global context
 #define NULL_TERMINATED_STRING_ARRAY(...) (const char *const []){__VA_ARGS__, NULL}

 #define MIN(a, b)  (((a) < (b))? (a): (b))
 #define MAX(a, b)  (((a) > (b))? (a): (b))

 #define ARRAY_COUNT(array) (sizeof((array)) / sizeof((array)[0]))
 #define ARRAY_SIZE(pointer, count) ((count) * sizeof(*(pointer)))

 #define IS_WITHIN_RANGE(index,start,end) (((index) >= (start)) && ((index) < (end)))
 #define IS_WITHIN_BOUNDS(index,count) IS_WITHIN_RANGE((index), 0, (count))

 #define SYMBOL_TYPE(name) name ## _t
 #define SYMBOL_POINTER(name) static SYMBOL_TYPE(name) *name##_p = NULL;

 #define VARIABLE_DECLARATION(variableName, variableType) \
   variableType variableName
 #define VARIABLE_TYPEDEF(variableName, variableType) \
   typedef VARIABLE_DECLARATION(SYMBOL_TYPE(variableName), variableType)
 #define VARIABLE_DECLARE(variableName, variableType) \
   VARIABLE_TYPEDEF(variableName, variableType); \
   extern SYMBOL_TYPE(variableName) variableName

 #define FUNCTION_DECLARATION(functionName, returnType, argumentList) \
   returnType functionName argumentList
 #define FUNCTION_TYPEDEF(functionName, returnType, argumentList) \
   typedef FUNCTION_DECLARATION(SYMBOL_TYPE(functionName), returnType, argumentList)
 #define FUNCTION_DECLARE(functionName, returnType, argumentList) \
   FUNCTION_TYPEDEF(functionName, returnType, argumentList); \
   extern SYMBOL_TYPE(functionName) functionName

 #ifdef HAVE_CONFIG_H
 #ifdef FOR_BUILD
 #include "forbuild.h"
 #else /* FOR_BUILD */
 #include "config.h"
 #endif /* FOR_BUILD */
 #endif /* HAVE_CONFIG_H */

 #ifdef __ANDROID__
 #ifndef __ANDROID_API__
 #define __ANDROID_API__ 19
 #endif /* __ANDROID_API__ */
 #endif /* __ANDROID__ */

 #if defined(__CYGWIN__) || defined(__MINGW32__)
 #define WINDOWS

 #ifndef HAVE_SDKDDKVER_H
 #include <w32api.h>

 #ifndef _WIN32_WINNT_NT4
 #define _WIN32_WINNT_NT4 WindowsNT4
 #endif /* _WIN32_WINNT_NT4 */

 #ifndef _WIN32_WINNT_WIN95
 #define _WIN32_WINNT_WIN95 Windows95
 #endif /* _WIN32_WINNT_WIN95 */

 #ifndef _WIN32_WINNT_WIN98
 #define _WIN32_WINNT_WIN98 Windows98
 #endif /* _WIN32_WINNT_WIN98 */

 #ifndef _WIN32_WINNT_WINME
 #define _WIN32_WINNT_WINME WindowsME
 #endif /* _WIN32_WINNT_WINME */

 #ifndef _WIN32_WINNT_WIN2K
 #define _WIN32_WINNT_WIN2K Windows2000
 #endif /* _WIN32_WINNT_WIN2K */

 #ifndef _WIN32_WINNT_WINXP
 #define _WIN32_WINNT_WINXP WindowsXP
 #endif /* _WIN32_WINNT_WINXP */

 #ifndef _WIN32_WINNT_WS03
 #define _WIN32_WINNT_WS03 Windows2003
 #endif /* _WIN32_WINNT_WS03 */

 #ifndef _WIN32_WINNT_VISTA
 #define _WIN32_WINNT_VISTA WindowsVista
 #endif /* _WIN32_WINNT_VISTA */
 #endif /* HAVE_SDKDDKVER_H */

 #ifndef _WIN32_WINNT
 #define _WIN32_WINNT _WIN32_WINNT_WINXP
 #endif /* _WIN32_WINNT */

 #ifndef WINVER
 #define WINVER _WIN32_WINNT
 #endif /* WINVER */

 #ifdef __MINGW32__
 #ifndef __USE_W32_SOCKETS
 #define __USE_W32_SOCKETS
 #endif /* __USE_W32_SOCKETS */

 #include <ws2tcpip.h>
 #endif /* __MINGW32__ */

 #include <windows.h>
 #endif /* WINDOWS */

 #ifdef __MINGW32__
 #include <_mingw.h>
 #endif /* __MINGW32__ */

 /*
  * The (poorly named) macro "interface" is unfortunately defined within
  * Windows headers. Fortunately, though, it's also only ever used within
  * them so it's safe to undefine it here.
  */
 #ifdef interface
 #undef interface
 #endif /* interface */

 #include <sys/types.h>
 #include <stddef.h>
 #include <stdlib.h>
 #include <unistd.h>
 #include <inttypes.h>

 #ifdef __MINGW32__
 #if (__MINGW32_MAJOR_VERSION < 3) || ((__MINGW32_MAJOR_VERSION == 3) && (__MINGW32_MINOR_VERSION < 10))
 extern int gettimeofday (struct timeval *tvp, void *tzp);
 #endif /* gettimeofday */

 #if !defined(__MINGW64_VERSION_MAJOR) && ((__MINGW32_MAJOR_VERSION < 3) || ((__MINGW32_MAJOR_VERSION == 3) && (__MINGW32_MINOR_VERSION < 15)))
 extern void usleep (int usec);
 #endif /* usleep */
 #endif /* __MINGW32__ */

 #ifdef GRUB_RUNTIME
 #undef NESTED_FUNC_ATTR
 #define NESTED_FUNC_ATTR __attribute__((__regparm__(1)))

 /* missing needed standard integer definitions */
 #define INT16_MAX 0X7FFF
 #define INT32_MAX 0X7FFFFFFF
 #define UINT32_C(i) (i)
 #define PRIuGRUB_UINT16_T "u"
 #define PRIuGRUB_UINT8_T "u"

 /* to get gettext() declared */
 #define GRUB_POSIX_GETTEXT_DOMAIN "brltty"

 /* disable the use of floating-point operations */
 #define NO_FLOAT
 #define float NO_FLOAT
 #define double NO_DOUBLE
 #endif /* GRUB_RUNHTIME */

 #ifdef __MSDOS__
 #include <stdarg.h>

 extern int snprintf (char *str, size_t size, const char *format, ...);
 extern int vsnprintf (char *str, size_t size, const char *format, va_list ap);

 #define lstat(file_name, buf) stat(file_name, buf)
 #endif /* __MSDOS__ */

 #ifdef __MINGW32__
 typedef HANDLE FileDescriptor;
 #define INVALID_FILE_DESCRIPTOR INVALID_HANDLE_VALUE
 #define PRIfd "p"
 #define closeFileDescriptor(fd) CloseHandle(fd)

 typedef SOCKET SocketDescriptor;
 #define INVALID_SOCKET_DESCRIPTOR INVALID_SOCKET
 #define PRIsd "d"
 #define closeSocketDescriptor(sd) closesocket(sd)
 #else /* __MINGW32__ */
 typedef int FileDescriptor;
 #define INVALID_FILE_DESCRIPTOR -1
 #define PRIfd "d"
 #define closeFileDescriptor(fd) close(fd)

 typedef int SocketDescriptor;
 #define INVALID_SOCKET_DESCRIPTOR -1
 #define PRIsd "d"
 #define closeSocketDescriptor(sd) close(sd)
 #endif /* __MINGW32__ */

 #ifdef WINDOWS
 #define getSystemError() GetLastError()

 #ifdef __CYGWIN__
 #include <sys/cygwin.h>

 #define getSocketError() errno
 #define setErrno(error) errno = cygwin_internal(CW_GET_ERRNO_FROM_WINERROR, (error))
 #else /* __CYGWIN__ */
 #define getSocketError() WSAGetLastError()
 #define setErrno(error) errno = win_toErrno((error))

 #ifndef WIN_ERRNO_STORAGE_CLASS
 #define WIN_ERRNO_STORAGE_CLASS
 extern
 #endif /* WIN_ERRNO_STORAGE_CLASS */
 WIN_ERRNO_STORAGE_CLASS int win_toErrno (DWORD error);
 #endif /* __CYGWIN__ */

 #else /* WINDOWS */
 #define getSystemError() errno
 #define getSocketError() errno

 #define setErrno(error)
 #endif /* WINDOWS */

 #define setSystemErrno() setErrno(getSystemError())
 #define setSocketErrno() setErrno(getSocketError())

 #if defined(__MINGW32__)
 #define PRIsize "u"
 #define PRIssize "d"

 #else /* format for size_t and ssize_t */
 #define PRIsize "zu"
 #define PRIssize "zd"
 #endif /* format for size_t and ssize_t */

 #if defined(__CYGWIN__)
 #define PRIkey "llX"
 #elif defined(__FreeBSD__)
 #define PRIkey "lX"
 #elif defined(__OpenBSD__)
 #define PRIkey "lX"
 #else /* format for key_t */
 #define PRIkey PRIX32
 #endif /* format for key_t */

 #if defined(__MSDOS__)
 #undef WCHAR_MAX

 #elif defined(HAVE_WCHAR_H)
 #include <wchar.h>
 #include <wctype.h>

 #endif /* HAVE_WCHAR_H */

 #ifdef WCHAR_MAX
 #define WC_C(wc) L##wc
 #define WS_C(ws) L##ws
 #define PRIwc "lc"
 #define PRIws "ls"
 #define iswLatin1(wc) ((wc) < 0X100)
 #else /* HAVE_WCHAR_H */
 #include <ctype.h>
 #include <string.h>

 #define wchar_t unsigned char
 #define wint_t int

 #define WEOF EOF
 #define WCHAR_MAX UINT8_MAX

 #define wmemchr(source,character,count) memchr((const char *)(source), (char)(character), (count))
 #define wmemcmp(source1,source2,count) memcmp((const char *)(source1), (const char *)(source2), (count))
 #define wmemcpy(target,source,count) memcpy((char *)(target), (const char *)(source), (count))
 #define wmemmove(target,source,count) memmove((char *)(target), (const char *)(source), (count))
 #define wmemset(target,character,count) memset((char *)(target), (char)(character), (count))

 #define wcscasecmp(source1,source2) strcasecmp((const char *)(source1), (const char *)(source2))
 #define wcsncasecmp(source1,source2,count) strncasecmp((const char *)(source1), (const char *)(source2), (count))
 #define wcscat(target,source) strcat((char *)(target), (const char *)(source))
 #define wcsncat(target,source,count) strncat((char *)(target), (const char *)(source), (count))
 #define wcscmp(source1,source2) strcmp((const char *)(source1), (const char *)(source2))
 #define wcsncmp(source1,source2,count) strncmp((const char *)(source1), (const char *)(source2), (count))
 #define wcscpy(target,source) strcpy((char *)(target), (const char *)(source))
 #define wcsncpy(target,source,count) strncpy((char *)(target), (const char *)(source), (count))
 #define wcslen(source) strlen((const char *)(source))
 #define wcsnlen(source,count) strnlen((const char *)(source), (count))

 #define wcschr(source,character) ((wchar_t *)strchr((const char *)(source), (char)(character)))
 #define wcscoll(source1,source2) strcoll((const char *)(source1), (const char *)(source2))
 #define wcscspn(source,reject) strcspn((const char *)(source), (const char *)(reject))
 #define wcsdup(source) strdup((const char *)(source))
 #define wcspbrk(source,accept) strpbrk((const char *)(source), (const char *)(accept))
 #define wcsrchr(source,character) strrchr((const char *)(source), (char)(character))
 #define wcsspn(source,accept) strspn((const char *)(source), (const char *)(accept))
 #define wcsstr(source,substring) strstr((const char *)(source), (const char *)(substring))
 #define wcstok(target,delimiters,end) ((wchar_t *)strtok(((char *)(target)), ((const char *)(delimiters))))
 #define wcswcs(source,substring) strstr((const char *)(source), (const char *)(substring))
 #define wcsxfrm(target,source,count) strxfrm((char *)(target), (const char *)(source), (count))
 #define wcstoul(nptr, endptr, base) strtoul(((const char *)(nptr)), ((char **)(endptr)), (base))

 #define wcstol(source,end,base) strtol((const char *)(source), (char **)(end), (base))
 #define wcstoll(source,end,base) strtoll((const char *)(source), (char **)(end), (base))

 #define iswalnum(character) isalnum((int)(character))
 #define iswalpha(character) isalpha((int)(character))
 #define iswblank(character) isblank((int)(character))
 #define iswcntrl(character) iscntrl((int)(character))
 #define iswdigit(character) isdigit((int)(character))
 #define iswgraph(character) isgraph((int)(character))
 #define iswlower(character) islower((int)(character))
 #define iswprint(character) isprint((int)(character))
 #define iswpunct(character) ispunct((int)(character))
 #define iswspace(character) isspace((int)(character))
 #define iswupper(character) isupper((int)(character))
 #define iswxdigit(character) isxdigit((int)(character))

 #define towlower(character) tolower((int)(character))
 #define towupper(character) toupper((int)(character))

 #define swprintf(target,count,source,...) snprintf((char *)(target), (count), (const char *)(source), ## __VA_ARGS__)
 #define vswprintf(target,count,source,args) vsnprintf((char *)(target), (count), (const char *)(source), (args))

 typedef unsigned char mbstate_t;

 static inline size_t
 mbrtowc (wchar_t *pwc, const char *s, size_t n, mbstate_t *ps) {
   if (!s) return 0;
   if (!n) return 0;
   if (pwc) *pwc = *s & 0XFF;
   if (!*s) return 0;
   return 1;
 }

 static inline size_t
 wcrtomb (char *s, wchar_t wc, mbstate_t *ps) {
   if (s) *s = wc;
   return 1;
 }

 static inline int
 mbsinit (const mbstate_t *ps) {
   return 1;
 }

 #define WC_C(wc) ((wchar_t)wc)
 #define WS_C(ws) ((const wchar_t *)ws)
 #define PRIwc "c"
 #define PRIws "s"
 #define iswLatin1(wc) (1)
 #endif /* HAVE_WCHAR_H */

 #ifdef WORDS_BIGENDIAN
 #define CHARSET_ENDIAN_SUFFIX "BE"
 #else /* WORDS_BIGENDIAN */
 #define CHARSET_ENDIAN_SUFFIX "LE"
 #endif /* WORDS_BIGENDIAN */

 #define WCHAR_CHARSET ("UCS-" SIZEOF_WCHAR_T_STR CHARSET_ENDIAN_SUFFIX)

 #ifndef HAVE_MEMPCPY
 static inline void *
 mempcpy (void *dest, const void *src, size_t size) {
   extern void *memcpy (void *dest, const void *src, size_t size);
   char *address = memcpy(dest, src, size);
   return address + size;
 }
 #endif /* HAVE_MEMPCPY */

 #ifndef HAVE_WMEMPCPY
 #define wmempcpy(dest,src,count) (wmemcpy((dest), (src), (count)) + (count))
 #endif /* HAVE_WMEMPCPY */

 #ifndef WRITABLE_DIRECTORY
 #define WRITABLE_DIRECTORY ""
 #endif /* WRITABLE_DIRECTORY */

 #ifdef HAVE_VAR_ATTRIBUTE_PACKED
 #define PACKED __attribute__((packed))
 #else /* HAVE_VAR_ATTRIBUTE_PACKED */
 #define PACKED
 #endif /* HAVE_VAR_ATTRIBUTE_PACKED */

 #ifdef HAVE_FUNC_ATTRIBUTE_FORMAT
 #define PRINTF(fmt,var) __attribute__((format(__printf__, fmt, var)))
 #else /* HAVE_FUNC_ATTRIBUTE_FORMAT */
 #define PRINTF(fmt,var)
 #endif /* HAVE_FUNC_ATTRIBUTE_FORMAT */

 #ifdef HAVE_FUNC_ATTRIBUTE_FORMAT_ARG
 #define FORMAT_ARG(n) __attribute__((format_arg((n))))
 #else /* HAVE_FUNC_ATTRIBUTE_FORMAT_ARG */
 #define FORMAT_ARG(n)
 #endif /* HAVE_FUNC_ATTRIBUTE_FORMAT_ARG */

 #ifdef HAVE_FUNC_ATTRIBUTE_NORETURN
 #define NORETURN __attribute__((noreturn))
 #else /* HAVE_FUNC_ATTRIBUTE_NORETURN */
 #define NORETURN
 #endif /* HAVE_FUNC_ATTRIBUTE_NORETURN */

 #ifdef HAVE_FUNC_ATTRIBUTE_UNUSED
 #define UNUSED __attribute__((unused))
 #else /* HAVE_FUNC_ATTRIBUTE_UNUSED */
 #define UNUSED
 #endif /* HAVE_FUNC_ATTRIBUTE_UNUSED */

 #ifdef ENABLE_I18N_SUPPORT
 #include <libintl.h>
 #else /* ENABLE_I18N_SUPPORT */
 extern char *gettext (const char *text) FORMAT_ARG(1);

 extern char *ngettext (
   const char *singular, const char *plural, unsigned long int count
 ) FORMAT_ARG(1) FORMAT_ARG(2);
 #endif /* ENABLE_I18N_SUPPORT */
 #define strtext(string) string

 #ifndef USE_PKG_BEEP_NONE
 #define HAVE_BEEP_SUPPORT
 #endif /* USE_PKG_BEEP_NONE */

 #ifndef USE_PKG_PCM_NONE
 #define HAVE_PCM_SUPPORT
 #endif /* USE_PKG_PCM_NONE */

 #ifndef USE_PKG_MIDI_NONE
 #define HAVE_MIDI_SUPPORT
 #endif /* USE_PKG_MIDI_NONE */

 #ifndef USE_PKG_FM_NONE
 #define HAVE_FM_SUPPORT
 #endif /* USE_PKG_FM_NONE */

 /* configure is still making a few mistakes with respect to the grub environment */
 #ifdef GRUB_RUNTIME

 /* some headers exist but probably shouldn't */
 #undef HAVE_SIGNAL_H

 /* including <time.h> on its own yields compile errors */
 #undef HAVE_DECL_LOCALTIME_R
 #define HAVE_DECL_LOCALTIME_R 1

 /* AC_CHECK_FUNC() is checking local libraries - these are the errors that matter */
 #undef HAVE_FCHDIR
 #undef HAVE_SELECT
 #endif /* GRUB_RUNTIME */

 #ifdef __cplusplus
 }
 #endif /* __cplusplus */

 #endif /* BRLTTY_INCLUDED_PROLOGUE */
	/*
	* BRLTTY - A background process providing access to the console screen (when in
	* text mode) for a blind person using a refreshable braille display.
	*
	* Copyright (C) 1995-2023 by The BRLTTY Developers.
	*
	* BRLTTY comes with ABSOLUTELY NO WARRANTY.
	*
	* This is free software, placed under the terms of the
	* GNU Lesser General Public License, as published by the Free Software
	* Foundation; either version 2.1 of the License, or (at your option) any
	* later version. Please see the file LICENSE-LGPL for details.
	*
	* Web Page: http://brltty.app/
	*
	* This software is maintained by Dave Mielke <dave@mielke.cc>.
	*/

	#ifndef BRLTTY_INCLUDED_PROLOGUE
	#define BRLTTY_INCLUDED_PROLOGUE

	#ifdef __cplusplus
	extern "C" {
	#endif /* __cplusplus */

	#undef HAVE_BUILTIN_POPCOUNT
	#undef HAVE_SYNC_SYNCHRONIZE

	#ifdef __has_builtin
	#if __has_builtin(__builtin_popcount)
	#define HAVE_BUILTIN_POPCOUNT
	#endif /* __has_builtin(__builtin_popcount) */

	#if __has_builtin(__sync_synchronize)
	#define HAVE_SYNC_SYNCHRONIZE
	#endif /* __has_builtin(__sync_synchronize) */
	#endif /* __has_builtin */

	#ifndef HAVE_SYNC_SYNCHRONIZE
	static inline void __sync_synchronize (void) {}
	#endif /* HAVE_SYNC_SYNCHRONIZE */

	#define CONCATENATE_1(a,b) a##b
	#define CONCATENATE(a,b) CONCATENATE_1(a,b)

	#define STRINGIFY_1(a) #a
	#define STRINGIFY(a) STRINGIFY_1(a)

	// only use in the global context
	#define NULL_TERMINATED_STRING_ARRAY(...) (const char *const []){__VA_ARGS__, NULL}

	#define MIN(a, b) (((a) < (b))? (a): (b))
	#define MAX(a, b) (((a) > (b))? (a): (b))

	#define ARRAY_COUNT(array) (sizeof((array)) / sizeof((array)[0]))
	#define ARRAY_SIZE(pointer, count) ((count) * sizeof(*(pointer)))

	#define IS_WITHIN_RANGE(index,start,end) (((index) >= (start)) && ((index) < (end)))
	#define IS_WITHIN_BOUNDS(index,count) IS_WITHIN_RANGE((index), 0, (count))

	#define SYMBOL_TYPE(name) name ## _t
	#define SYMBOL_POINTER(name) static SYMBOL_TYPE(name) *name##_p = NULL;

	#define VARIABLE_DECLARATION(variableName, variableType) \
	variableType variableName
	#define VARIABLE_TYPEDEF(variableName, variableType) \
	typedef VARIABLE_DECLARATION(SYMBOL_TYPE(variableName), variableType)
	#define VARIABLE_DECLARE(variableName, variableType) \
	VARIABLE_TYPEDEF(variableName, variableType); \
	extern SYMBOL_TYPE(variableName) variableName

	#define FUNCTION_DECLARATION(functionName, returnType, argumentList) \
	returnType functionName argumentList
	#define FUNCTION_TYPEDEF(functionName, returnType, argumentList) \
	typedef FUNCTION_DECLARATION(SYMBOL_TYPE(functionName), returnType, argumentList)
	#define FUNCTION_DECLARE(functionName, returnType, argumentList) \
	FUNCTION_TYPEDEF(functionName, returnType, argumentList); \
	extern SYMBOL_TYPE(functionName) functionName

	#ifdef HAVE_CONFIG_H
	#ifdef FOR_BUILD
	#include "forbuild.h"
	#else /* FOR_BUILD */
	#include "config.h"
	#endif /* FOR_BUILD */
	#endif /* HAVE_CONFIG_H */

	#ifdef __ANDROID__
	#ifndef __ANDROID_API__
	#define __ANDROID_API__ 19
	#endif /* __ANDROID_API__ */
	#endif /* __ANDROID__ */

	#if defined(__CYGWIN__) \|\| defined(__MINGW32__)
	#define WINDOWS

	#ifndef HAVE_SDKDDKVER_H
	#include <w32api.h>

	#ifndef _WIN32_WINNT_NT4
	#define _WIN32_WINNT_NT4 WindowsNT4
	#endif /* _WIN32_WINNT_NT4 */

	#ifndef _WIN32_WINNT_WIN95
	#define _WIN32_WINNT_WIN95 Windows95
	#endif /* _WIN32_WINNT_WIN95 */

	#ifndef _WIN32_WINNT_WIN98
	#define _WIN32_WINNT_WIN98 Windows98
	#endif /* _WIN32_WINNT_WIN98 */

	#ifndef _WIN32_WINNT_WINME
	#define _WIN32_WINNT_WINME WindowsME
	#endif /* _WIN32_WINNT_WINME */

	#ifndef _WIN32_WINNT_WIN2K
	#define _WIN32_WINNT_WIN2K Windows2000
	#endif /* _WIN32_WINNT_WIN2K */

	#ifndef _WIN32_WINNT_WINXP
	#define _WIN32_WINNT_WINXP WindowsXP
	#endif /* _WIN32_WINNT_WINXP */

	#ifndef _WIN32_WINNT_WS03
	#define _WIN32_WINNT_WS03 Windows2003
	#endif /* _WIN32_WINNT_WS03 */

	#ifndef _WIN32_WINNT_VISTA
	#define _WIN32_WINNT_VISTA WindowsVista
	#endif /* _WIN32_WINNT_VISTA */
	#endif /* HAVE_SDKDDKVER_H */

	#ifndef _WIN32_WINNT
	#define _WIN32_WINNT _WIN32_WINNT_WINXP
	#endif /* _WIN32_WINNT */

	#ifndef WINVER
	#define WINVER _WIN32_WINNT
	#endif /* WINVER */

	#ifdef __MINGW32__
	#ifndef __USE_W32_SOCKETS
	#define __USE_W32_SOCKETS
	#endif /* __USE_W32_SOCKETS */

	#include <ws2tcpip.h>
	#endif /* __MINGW32__ */

	#include <windows.h>
	#endif /* WINDOWS */

	#ifdef __MINGW32__
	#include <_mingw.h>
	#endif /* __MINGW32__ */

	/*
	* The (poorly named) macro "interface" is unfortunately defined within
	* Windows headers. Fortunately, though, it's also only ever used within
	* them so it's safe to undefine it here.
	*/
	#ifdef interface
	#undef interface
	#endif /* interface */

	#include <sys/types.h>
	#include <stddef.h>
	#include <stdlib.h>
	#include <unistd.h>
	#include <inttypes.h>

	#ifdef __MINGW32__
	#if (__MINGW32_MAJOR_VERSION < 3) \|\| ((__MINGW32_MAJOR_VERSION == 3) && (__MINGW32_MINOR_VERSION < 10))
	extern int gettimeofday (struct timeval tvp, void tzp);
	#endif /* gettimeofday */

	#if !defined(__MINGW64_VERSION_MAJOR) && ((__MINGW32_MAJOR_VERSION < 3) \|\| ((__MINGW32_MAJOR_VERSION == 3) && (__MINGW32_MINOR_VERSION < 15)))
	extern void usleep (int usec);
	#endif /* usleep */
	#endif /* __MINGW32__ */

	#ifdef GRUB_RUNTIME
	#undef NESTED_FUNC_ATTR
	#define NESTED_FUNC_ATTR __attribute__((__regparm__(1)))

	/* missing needed standard integer definitions */
	#define INT16_MAX 0X7FFF
	#define INT32_MAX 0X7FFFFFFF
	#define UINT32_C(i) (i)
	#define PRIuGRUB_UINT16_T "u"
	#define PRIuGRUB_UINT8_T "u"

	/* to get gettext() declared */
	#define GRUB_POSIX_GETTEXT_DOMAIN "brltty"

	/* disable the use of floating-point operations */
	#define NO_FLOAT
	#define float NO_FLOAT
	#define double NO_DOUBLE
	#endif /* GRUB_RUNHTIME */

	#ifdef __MSDOS__
	#include <stdarg.h>

	extern int snprintf (char str, size_t size, const char format, ...);
	extern int vsnprintf (char str, size_t size, const char format, va_list ap);

	#define lstat(file_name, buf) stat(file_name, buf)
	#endif /* __MSDOS__ */

	#ifdef __MINGW32__
	typedef HANDLE FileDescriptor;
	#define INVALID_FILE_DESCRIPTOR INVALID_HANDLE_VALUE
	#define PRIfd "p"
	#define closeFileDescriptor(fd) CloseHandle(fd)

	typedef SOCKET SocketDescriptor;
	#define INVALID_SOCKET_DESCRIPTOR INVALID_SOCKET
	#define PRIsd "d"
	#define closeSocketDescriptor(sd) closesocket(sd)
	#else /* __MINGW32__ */
	typedef int FileDescriptor;
	#define INVALID_FILE_DESCRIPTOR -1
	#define PRIfd "d"
	#define closeFileDescriptor(fd) close(fd)

	typedef int SocketDescriptor;
	#define INVALID_SOCKET_DESCRIPTOR -1
	#define PRIsd "d"
	#define closeSocketDescriptor(sd) close(sd)
	#endif /* __MINGW32__ */

	#ifdef WINDOWS
	#define getSystemError() GetLastError()

	#ifdef __CYGWIN__
	#include <sys/cygwin.h>

	#define getSocketError() errno
	#define setErrno(error) errno = cygwin_internal(CW_GET_ERRNO_FROM_WINERROR, (error))
	#else /* __CYGWIN__ */
	#define getSocketError() WSAGetLastError()
	#define setErrno(error) errno = win_toErrno((error))

	#ifndef WIN_ERRNO_STORAGE_CLASS
	#define WIN_ERRNO_STORAGE_CLASS
	extern
	#endif /* WIN_ERRNO_STORAGE_CLASS */
	WIN_ERRNO_STORAGE_CLASS int win_toErrno (DWORD error);
	#endif /* __CYGWIN__ */

	#else /* WINDOWS */
	#define getSystemError() errno
	#define getSocketError() errno

	#define setErrno(error)
	#endif /* WINDOWS */

	#define setSystemErrno() setErrno(getSystemError())
	#define setSocketErrno() setErrno(getSocketError())

	#if defined(__MINGW32__)
	#define PRIsize "u"
	#define PRIssize "d"

	#else /* format for size_t and ssize_t */
	#define PRIsize "zu"
	#define PRIssize "zd"
	#endif /* format for size_t and ssize_t */

	#if defined(__CYGWIN__)
	#define PRIkey "llX"
	#elif defined(__FreeBSD__)
	#define PRIkey "lX"
	#elif defined(__OpenBSD__)
	#define PRIkey "lX"
	#else /* format for key_t */
	#define PRIkey PRIX32
	#endif /* format for key_t */

	#if defined(__MSDOS__)
	#undef WCHAR_MAX

	#elif defined(HAVE_WCHAR_H)
	#include <wchar.h>
	#include <wctype.h>

	#endif /* HAVE_WCHAR_H */

	#ifdef WCHAR_MAX
	#define WC_C(wc) L##wc
	#define WS_C(ws) L##ws
	#define PRIwc "lc"
	#define PRIws "ls"
	#define iswLatin1(wc) ((wc) < 0X100)
	#else /* HAVE_WCHAR_H */
	#include <ctype.h>
	#include <string.h>

	#define wchar_t unsigned char
	#define wint_t int

	#define WEOF EOF
	#define WCHAR_MAX UINT8_MAX

	#define wmemchr(source,character,count) memchr((const char *)(source), (char)(character), (count))
	#define wmemcmp(source1,source2,count) memcmp((const char )(source1), (const char )(source2), (count))
	#define wmemcpy(target,source,count) memcpy((char )(target), (const char )(source), (count))
	#define wmemmove(target,source,count) memmove((char )(target), (const char )(source), (count))
	#define wmemset(target,character,count) memset((char *)(target), (char)(character), (count))

	#define wcscasecmp(source1,source2) strcasecmp((const char )(source1), (const char )(source2))
	#define wcsncasecmp(source1,source2,count) strncasecmp((const char )(source1), (const char )(source2), (count))
	#define wcscat(target,source) strcat((char )(target), (const char )(source))
	#define wcsncat(target,source,count) strncat((char )(target), (const char )(source), (count))
	#define wcscmp(source1,source2) strcmp((const char )(source1), (const char )(source2))
	#define wcsncmp(source1,source2,count) strncmp((const char )(source1), (const char )(source2), (count))
	#define wcscpy(target,source) strcpy((char )(target), (const char )(source))
	#define wcsncpy(target,source,count) strncpy((char )(target), (const char )(source), (count))
	#define wcslen(source) strlen((const char *)(source))
	#define wcsnlen(source,count) strnlen((const char *)(source), (count))

	#define wcschr(source,character) ((wchar_t )strchr((const char )(source), (char)(character)))
	#define wcscoll(source1,source2) strcoll((const char )(source1), (const char )(source2))
	#define wcscspn(source,reject) strcspn((const char )(source), (const char )(reject))
	#define wcsdup(source) strdup((const char *)(source))
	#define wcspbrk(source,accept) strpbrk((const char )(source), (const char )(accept))
	#define wcsrchr(source,character) strrchr((const char *)(source), (char)(character))
	#define wcsspn(source,accept) strspn((const char )(source), (const char )(accept))
	#define wcsstr(source,substring) strstr((const char )(source), (const char )(substring))
	#define wcstok(target,delimiters,end) ((wchar_t )strtok(((char )(target)), ((const char *)(delimiters))))
	#define wcswcs(source,substring) strstr((const char )(source), (const char )(substring))
	#define wcsxfrm(target,source,count) strxfrm((char )(target), (const char )(source), (count))
	#define wcstoul(nptr, endptr, base) strtoul(((const char )(nptr)), ((char *)(endptr)), (base))

	#define wcstol(source,end,base) strtol((const char )(source), (char *)(end), (base))
	#define wcstoll(source,end,base) strtoll((const char )(source), (char *)(end), (base))

	#define iswalnum(character) isalnum((int)(character))
	#define iswalpha(character) isalpha((int)(character))
	#define iswblank(character) isblank((int)(character))
	#define iswcntrl(character) iscntrl((int)(character))
	#define iswdigit(character) isdigit((int)(character))
	#define iswgraph(character) isgraph((int)(character))
	#define iswlower(character) islower((int)(character))
	#define iswprint(character) isprint((int)(character))
	#define iswpunct(character) ispunct((int)(character))
	#define iswspace(character) isspace((int)(character))
	#define iswupper(character) isupper((int)(character))
	#define iswxdigit(character) isxdigit((int)(character))

	#define towlower(character) tolower((int)(character))
	#define towupper(character) toupper((int)(character))

	#define swprintf(target,count,source,...) snprintf((char )(target), (count), (const char )(source), ## __VA_ARGS__)
	#define vswprintf(target,count,source,args) vsnprintf((char )(target), (count), (const char )(source), (args))

	typedef unsigned char mbstate_t;

	static inline size_t
	mbrtowc (wchar_t pwc, const char s, size_t n, mbstate_t *ps) {
	if (!s) return 0;
	if (!n) return 0;
	if (pwc) pwc = s & 0XFF;
	if (!*s) return 0;
	return 1;
	}

	static inline size_t
	wcrtomb (char s, wchar_t wc, mbstate_t ps) {
	if (s) *s = wc;
	return 1;
	}

	static inline int
	mbsinit (const mbstate_t *ps) {
	return 1;
	}

	#define WC_C(wc) ((wchar_t)wc)
	#define WS_C(ws) ((const wchar_t *)ws)
	#define PRIwc "c"
	#define PRIws "s"
	#define iswLatin1(wc) (1)
	#endif /* HAVE_WCHAR_H */

	#ifdef WORDS_BIGENDIAN
	#define CHARSET_ENDIAN_SUFFIX "BE"
	#else /* WORDS_BIGENDIAN */
	#define CHARSET_ENDIAN_SUFFIX "LE"
	#endif /* WORDS_BIGENDIAN */

	#define WCHAR_CHARSET ("UCS-" SIZEOF_WCHAR_T_STR CHARSET_ENDIAN_SUFFIX)

	#ifndef HAVE_MEMPCPY
	static inline void *
	mempcpy (void dest, const void src, size_t size) {
	extern void memcpy (void dest, const void *src, size_t size);
	char *address = memcpy(dest, src, size);
	return address + size;
	}
	#endif /* HAVE_MEMPCPY */

	#ifndef HAVE_WMEMPCPY
	#define wmempcpy(dest,src,count) (wmemcpy((dest), (src), (count)) + (count))
	#endif /* HAVE_WMEMPCPY */

	#ifndef WRITABLE_DIRECTORY
	#define WRITABLE_DIRECTORY ""
	#endif /* WRITABLE_DIRECTORY */

	#ifdef HAVE_VAR_ATTRIBUTE_PACKED
	#define PACKED __attribute__((packed))
	#else /* HAVE_VAR_ATTRIBUTE_PACKED */
	#define PACKED
	#endif /* HAVE_VAR_ATTRIBUTE_PACKED */

	#ifdef HAVE_FUNC_ATTRIBUTE_FORMAT
	#define PRINTF(fmt,var) __attribute__((format(__printf__, fmt, var)))
	#else /* HAVE_FUNC_ATTRIBUTE_FORMAT */
	#define PRINTF(fmt,var)
	#endif /* HAVE_FUNC_ATTRIBUTE_FORMAT */

	#ifdef HAVE_FUNC_ATTRIBUTE_FORMAT_ARG
	#define FORMAT_ARG(n) __attribute__((format_arg((n))))
	#else /* HAVE_FUNC_ATTRIBUTE_FORMAT_ARG */
	#define FORMAT_ARG(n)
	#endif /* HAVE_FUNC_ATTRIBUTE_FORMAT_ARG */

	#ifdef HAVE_FUNC_ATTRIBUTE_NORETURN
	#define NORETURN __attribute__((noreturn))
	#else /* HAVE_FUNC_ATTRIBUTE_NORETURN */
	#define NORETURN
	#endif /* HAVE_FUNC_ATTRIBUTE_NORETURN */

	#ifdef HAVE_FUNC_ATTRIBUTE_UNUSED
	#define UNUSED __attribute__((unused))
	#else /* HAVE_FUNC_ATTRIBUTE_UNUSED */
	#define UNUSED
	#endif /* HAVE_FUNC_ATTRIBUTE_UNUSED */

	#ifdef ENABLE_I18N_SUPPORT
	#include <libintl.h>
	#else /* ENABLE_I18N_SUPPORT */
	extern char gettext (const char text) FORMAT_ARG(1);

	extern char *ngettext (
	const char singular, const char plural, unsigned long int count
	) FORMAT_ARG(1) FORMAT_ARG(2);
	#endif /* ENABLE_I18N_SUPPORT */
	#define strtext(string) string

	#ifndef USE_PKG_BEEP_NONE
	#define HAVE_BEEP_SUPPORT
	#endif /* USE_PKG_BEEP_NONE */

	#ifndef USE_PKG_PCM_NONE
	#define HAVE_PCM_SUPPORT
	#endif /* USE_PKG_PCM_NONE */

	#ifndef USE_PKG_MIDI_NONE
	#define HAVE_MIDI_SUPPORT
	#endif /* USE_PKG_MIDI_NONE */

	#ifndef USE_PKG_FM_NONE
	#define HAVE_FM_SUPPORT
	#endif /* USE_PKG_FM_NONE */

	/* configure is still making a few mistakes with respect to the grub environment */
	#ifdef GRUB_RUNTIME

	/* some headers exist but probably shouldn't */
	#undef HAVE_SIGNAL_H

	/* including <time.h> on its own yields compile errors */
	#undef HAVE_DECL_LOCALTIME_R
	#define HAVE_DECL_LOCALTIME_R 1

	/* AC_CHECK_FUNC() is checking local libraries - these are the errors that matter */
	#undef HAVE_FCHDIR
	#undef HAVE_SELECT
	#endif /* GRUB_RUNTIME */

	#ifdef __cplusplus
	}
	#endif /* __cplusplus */

	#endif /* BRLTTY_INCLUDED_PROLOGUE */