#	define TCL_WIDE_INT_IS_LONG 1
#	define TCL_CFG_DO64BIT 1
#    else /* !__LP64__ */
#	define TCL_WIDE_INT_TYPE long long
#	undef TCL_WIDE_INT_IS_LONG
#	undef TCL_CFG_DO64BIT
#    endif /* __LP64__ */
#    undef HAVE_STRUCT_STAT64
#endif /* __APPLE__ */

/*
 * Define Tcl_WideInt to be a type that is (at least) 64-bits wide, and define
 * Tcl_WideUInt to be the unsigned variant of that type (assuming that where
 * we have one, we can have the other.)
 *

#endif /* !TCL_Z_MODIFIER */
#define Tcl_WideAsLong(val)	((long)((Tcl_WideInt)(val)))
#define Tcl_LongAsWide(val)	((Tcl_WideInt)((long)(val)))
#define Tcl_WideAsDouble(val)	((double)((Tcl_WideInt)(val)))
#define Tcl_DoubleAsWide(val)	((Tcl_WideInt)((double)(val)))

#if defined(_WIN32)
#   ifdef __BORLANDC__
	typedef struct stati64 Tcl_StatBuf;
#   elif defined(_WIN64)
	typedef struct __stat64 Tcl_StatBuf;
#   elif (defined(_MSC_VER) && (_MSC_VER < 1400)) || defined(_USE_32BIT_TIME_T)
	typedef struct _stati64	Tcl_StatBuf;
#   else
	typedef struct _stat32i64 Tcl_StatBuf;
#   endif /* _MSC_VER < 1400 */
#elif defined(__CYGWIN__)
    typedef struct {
	dev_t st_dev;
	unsigned short st_ino;
	unsigned short st_mode;
	short st_nlink;
	short st_uid;
	short st_gid;
	/* Here is a 2-byte gap */
	dev_t st_rdev;
	/* Here is a 4-byte gap */
	long long st_size;
	struct {long tv_sec;} st_atim;
	struct {long tv_sec;} st_mtim;
	struct {long tv_sec;} st_ctim;
	/* Here is a 4-byte gap */
    } Tcl_StatBuf;
#elif defined(HAVE_STRUCT_STAT64) && !defined(__APPLE__)
    typedef struct stat64 Tcl_StatBuf;
#else
    typedef struct stat Tcl_StatBuf;
#endif

/*
 *----------------------------------------------------------------------------
 * Data structures defined opaquely in this module. The definitions below just

    if (sizeof(Tcl_CallFrame) < sizeof(CallFrame)) {
	/*NOTREACHED*/
	Tcl_Panic("Tcl_CallFrame must not be smaller than CallFrame");
    }

#if defined(_WIN32) && !defined(_WIN64)
    if (sizeof(time_t) != 4) {
	/*NOTREACHED*/
	Tcl_Panic("<time.h> is not compatible with MSVC");
    }
    if ((offsetof(Tcl_StatBuf,st_atime) != 32)
	    || (offsetof(Tcl_StatBuf,st_ctime) != 40)) {
	/*NOTREACHED*/
	Tcl_Panic("<sys/stat.h> is not compatible with MSVC");
    }
#endif

    if (cancelTableInitialized == 0) {
	Tcl_MutexLock(&cancelLock);
	if (cancelTableInitialized == 0) {
	    Tcl_InitHashTable(&cancelTable, TCL_ONE_WORD_KEYS);

cat >>confdefs.h <<_ACEOF
#define TCL_WIDE_INT_TYPE ${tcl_cv_type_64bit}
_ACEOF

	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: ${tcl_cv_type_64bit}" >&5
$as_echo "${tcl_cv_type_64bit}" >&6; }

	# Now check for auxiliary declarations
	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for struct dirent64" >&5
$as_echo_n "checking for struct dirent64... " >&6; }
if ${tcl_cv_struct_dirent64+:} false; then :
  $as_echo_n "(cached) " >&6
else

	    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */
#include <sys/types.h>
#include <dirent.h>
int
main ()
{
struct dirent64 p;
  ;
  return 0;
}
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
  tcl_cv_struct_dirent64=yes
else
  tcl_cv_struct_dirent64=no
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_struct_dirent64" >&5
$as_echo "$tcl_cv_struct_dirent64" >&6; }
	if test "x${tcl_cv_struct_dirent64}" = "xyes" ; then

$as_echo "#define HAVE_STRUCT_DIRENT64 1" >>confdefs.h

	fi

	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for DIR64" >&5
$as_echo_n "checking for DIR64... " >&6; }
if ${tcl_cv_DIR64+:} false; then :
  $as_echo_n "(cached) " >&6
else

	    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */
#include <sys/types.h>
#include <dirent.h>
int
main ()
{
struct dirent64 *p; DIR64 d = opendir64(".");
            p = readdir64(d); rewinddir64(d); closedir64(d);
  ;
  return 0;
}
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
  tcl_cv_DIR64=yes
else
  tcl_cv_DIR64=no
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_DIR64" >&5
$as_echo "$tcl_cv_DIR64" >&6; }
	if test "x${tcl_cv_DIR64}" = "xyes" ; then

$as_echo "#define HAVE_DIR64 1" >>confdefs.h

	fi

	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for struct stat64" >&5
$as_echo_n "checking for struct stat64... " >&6; }
if ${tcl_cv_struct_stat64+:} false; then :
  $as_echo_n "(cached) " >&6
else

	    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */
#include <sys/stat.h>
int
main ()
{
struct stat64 p;

  ;
  return 0;
}
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
  tcl_cv_struct_stat64=yes
else
  tcl_cv_struct_stat64=no
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_struct_stat64" >&5
$as_echo "$tcl_cv_struct_stat64" >&6; }
	if test "x${tcl_cv_struct_stat64}" = "xyes" ; then

$as_echo "#define HAVE_STRUCT_STAT64 1" >>confdefs.h

	fi

	for ac_func in open64 lseek64
do :
  as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
if eval test \"x\$"$as_ac_var"\" = x"yes"; then :
  cat >>confdefs.h <<_ACEOF
#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
_ACEOF

fi
done

	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for off64_t" >&5
$as_echo_n "checking for off64_t... " >&6; }
	if ${tcl_cv_type_off64_t+:} false; then :
  $as_echo_n "(cached) " >&6
else

	    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */
#include <sys/types.h>
int
main ()
{
off64_t offset;

  ;
  return 0;
}
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
  tcl_cv_type_off64_t=yes
else
  tcl_cv_type_off64_t=no
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
fi

			if test "x${tcl_cv_type_off64_t}" = "xyes" && \
	        test "x${ac_cv_func_lseek64}" = "xyes" && \
	        test "x${ac_cv_func_open64}" = "xyes" ; then

$as_echo "#define HAVE_TYPE_OFF64_T 1" >>confdefs.h

	    { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
$as_echo "yes" >&6; }
	else
	    { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
$as_echo "no" >&6; }
	fi
    fi


#--------------------------------------------------------------------
#	Check endianness because we can optimize comparisons of
#	Tcl_UniChar strings to memcmp on big-endian systems.
#--------------------------------------------------------------------

#	None
#
# Results:
#
#	Might define the following vars:
#		TCL_WIDE_INT_IS_LONG
#		TCL_WIDE_INT_TYPE
#		HAVE_STRUCT_DIRENT64, HAVE_DIR64
#		HAVE_STRUCT_STAT64
#		HAVE_TYPE_OFF64_T
#
#--------------------------------------------------------------------

AC_DEFUN([SC_TCL_64BIT_FLAGS], [
    AC_MSG_CHECKING([for 64-bit integer type])
    AC_CACHE_VAL(tcl_cv_type_64bit,[
	tcl_cv_type_64bit=none

    if test "${tcl_cv_type_64bit}" = none ; then
	AC_DEFINE(TCL_WIDE_INT_IS_LONG, 1, [Do 'long' and 'long long' have the same size (64-bit)?])
	AC_MSG_RESULT([yes])
    else
	AC_DEFINE_UNQUOTED(TCL_WIDE_INT_TYPE,${tcl_cv_type_64bit},
	    [What type should be used to define wide integers?])
	AC_MSG_RESULT([${tcl_cv_type_64bit}])

	# Now check for auxiliary declarations
	AC_CACHE_CHECK([for struct dirent64], tcl_cv_struct_dirent64,[
	    AC_TRY_COMPILE([#include <sys/types.h>
#include <dirent.h>],[struct dirent64 p;],
		tcl_cv_struct_dirent64=yes,tcl_cv_struct_dirent64=no)])
	if test "x${tcl_cv_struct_dirent64}" = "xyes" ; then
	    AC_DEFINE(HAVE_STRUCT_DIRENT64, 1, [Is 'struct dirent64' in <sys/types.h>?])
	fi

	AC_CACHE_CHECK([for DIR64], tcl_cv_DIR64,[
	    AC_TRY_COMPILE([#include <sys/types.h>
#include <dirent.h>],[struct dirent64 *p; DIR64 d = opendir64(".");
            p = readdir64(d); rewinddir64(d); closedir64(d);],
		tcl_cv_DIR64=yes,tcl_cv_DIR64=no)])
	if test "x${tcl_cv_DIR64}" = "xyes" ; then
	    AC_DEFINE(HAVE_DIR64, 1, [Is 'DIR64' in <sys/types.h>?])
	fi

	AC_CACHE_CHECK([for struct stat64], tcl_cv_struct_stat64,[
	    AC_TRY_COMPILE([#include <sys/stat.h>],[struct stat64 p;
],
		tcl_cv_struct_stat64=yes,tcl_cv_struct_stat64=no)])
	if test "x${tcl_cv_struct_stat64}" = "xyes" ; then
	    AC_DEFINE(HAVE_STRUCT_STAT64, 1, [Is 'struct stat64' in <sys/stat.h>?])
	fi

	AC_CHECK_FUNCS(open64 lseek64)
	AC_MSG_CHECKING([for off64_t])
	AC_CACHE_VAL(tcl_cv_type_off64_t,[
	    AC_TRY_COMPILE([#include <sys/types.h>],[off64_t offset;
],
		tcl_cv_type_off64_t=yes,tcl_cv_type_off64_t=no)])
	dnl Define HAVE_TYPE_OFF64_T only when the off64_t type and the
	dnl functions lseek64 and open64 are defined.
	if test "x${tcl_cv_type_off64_t}" = "xyes" && \
	        test "x${ac_cv_func_lseek64}" = "xyes" && \
	        test "x${ac_cv_func_open64}" = "xyes" ; then
	    AC_DEFINE(HAVE_TYPE_OFF64_T, 1, [Is off64_t in <sys/types.h>?])
	    AC_MSG_RESULT([yes])
	else
	    AC_MSG_RESULT([no])
	fi
    fi
])

#--------------------------------------------------------------------
# SC_TCL_CFG_ENCODING	TIP #59
#
#	Declare the encoding to use for embedded configuration information.

/* Define to 1 if you have the `strtol' function. */
#undef HAVE_STRTOL

/* Define to 1 if the system has the type `struct addrinfo'. */
#undef HAVE_STRUCT_ADDRINFO

/* Is 'struct dirent64' in <sys/types.h>? */
#undef HAVE_STRUCT_DIRENT64

/* Define to 1 if the system has the type `struct in6_addr'. */
#undef HAVE_STRUCT_IN6_ADDR

/* Define to 1 if the system has the type `struct sockaddr_in6'. */
#undef HAVE_STRUCT_SOCKADDR_IN6

/* Define to 1 if the system has the type `struct sockaddr_storage'. */
#undef HAVE_STRUCT_SOCKADDR_STORAGE

/* Is 'struct stat64' in <sys/stat.h>? */
#undef HAVE_STRUCT_STAT64

/* Define to 1 if `st_blksize' is member of `struct stat'. */
#undef HAVE_STRUCT_STAT_ST_BLKSIZE

/* Define to 1 if `st_blocks' is member of `struct stat'. */
#undef HAVE_STRUCT_STAT_ST_BLOCKS

/* Define to 1 if you have the <sys/filio.h> header file. */

/* Should we use the tm_gmtoff field of struct tm? */
#undef HAVE_TM_GMTOFF

/* Should we use the tm_tzadj field of struct tm? */
#undef HAVE_TM_TZADJ

/* Is off64_t in <sys/types.h>? */
#undef HAVE_TYPE_OFF64_T

/* Do we have the uintptr_t type? */
#undef HAVE_UINTPTR_T

/* Define to 1 if you have the <unistd.h> header file. */
#undef HAVE_UNISTD_H

/* Define to 1 if you have the `waitpid' function. */

    FileState *fsPtr = instanceData;
    Tcl_WideInt oldLoc, newLoc;

    /*
     * Save our current place in case we need to roll-back the seek.
     */

    oldLoc = TclOSseek(fsPtr->fd, (Tcl_SeekOffset) 0, SEEK_CUR);
    if (oldLoc == -1) {
	/*
	 * Bad things are happening. Error out...
	 */

	*errorCodePtr = errno;
	return -1;
    }

    newLoc = TclOSseek(fsPtr->fd, (Tcl_SeekOffset) offset, mode);

    /*
     * Check for expressability in our return type, and roll-back otherwise.
     */

    if (newLoc > INT_MAX) {
	*errorCodePtr = EOVERFLOW;
	TclOSseek(fsPtr->fd, (Tcl_SeekOffset) oldLoc, SEEK_SET);
	return -1;
    } else {
	*errorCodePtr = (newLoc == -1) ? errno : 0;
    }
    return (int) newLoc;
}


    int mode,			/* Relative to where should we seek? Can be
				 * one of SEEK_START, SEEK_CUR or SEEK_END. */
    int *errorCodePtr)		/* To store error code. */
{
    FileState *fsPtr = instanceData;
    Tcl_WideInt newLoc;

    newLoc = TclOSseek(fsPtr->fd, (Tcl_SeekOffset) offset, mode);

    *errorCodePtr = (newLoc == -1) ? errno : 0;
    return newLoc;
}

/*
 *----------------------------------------------------------------------

	return NULL;
    }

#ifdef DJGPP
    SET_BITS(mode, O_BINARY);
#endif

    fd = TclOSopen(native, mode, permissions);

    if (fd < 0) {
	if (interp != NULL) {
	    Tcl_SetObjResult(interp, Tcl_ObjPrintf(
		    "couldn't open \"%s\": %s",
		    TclGetString(pathPtr), Tcl_PosixError(interp)));
	}

    int mode = 0;		/* compiler warning (used before set). */
    const char *bufMode = NULL;

    /*
     * Some #def's to make the code a little clearer!
     */

#define ZERO_OFFSET	((Tcl_SeekOffset) 0)
#define ERROR_OFFSET	((Tcl_SeekOffset) -1)

    switch (type) {
    case TCL_STDIN:
	if ((TclOSseek(0, ZERO_OFFSET, SEEK_CUR) == ERROR_OFFSET)
		&& (errno == EBADF)) {
	    return NULL;
	}
	fd = 0;
	mode = TCL_READABLE;
	bufMode = "line";
	break;
    case TCL_STDOUT:
	if ((TclOSseek(1, ZERO_OFFSET, SEEK_CUR) == ERROR_OFFSET)
		&& (errno == EBADF)) {
	    return NULL;
	}
	fd = 1;
	mode = TCL_WRITABLE;
	bufMode = "line";
	break;
    case TCL_STDERR:
	if ((TclOSseek(2, ZERO_OFFSET, SEEK_CUR) == ERROR_OFFSET)
		&& (errno == EBADF)) {
	    return NULL;
	}
	fd = 2;
	mode = TCL_WRITABLE;
	bufMode = "none";
	break;

FileTruncateProc(
    ClientData instanceData,
    Tcl_WideInt length)
{
    FileState *fsPtr = instanceData;
    int result;

#ifdef HAVE_TYPE_OFF64_T
    /*
     * We assume this goes with the type for now...
     */

    result = ftruncate64(fsPtr->fd, (off64_t) length);
#else
    result = ftruncate(fsPtr->fd, (off_t) length);
#endif
    if (result) {
	return errno;
    }
    return 0;
}

/*
 * Local Variables:
 * mode: c
 * c-basic-offset: 4
 * fill-column: 78
 * End:
 */

#   define haveRealpath	(tclMacOSXDarwinRelease >= 7)
#else
#   define haveRealpath	1
#endif
#endif /* NO_REALPATH */

#ifdef HAVE_FTS
#if defined(HAVE_STRUCT_STAT64) && !defined(__APPLE__)
/* fts doesn't do stat64 */
#   define noFtsStat	1
#elif defined(__APPLE__) && defined(__LP64__) && \
	defined(MAC_OS_X_VERSION_MIN_REQUIRED) && \
	MAC_OS_X_VERSION_MIN_REQUIRED < 1050
/*
 * Prior to Darwin 9, 64bit fts_open() without FTS_NOSTAT may crash (due to a
 * 64bit-unsafe ALIGN macro); if we could be running on pre-10.5 OSX, check
 * Darwin release at runtime and do a separate stat() if necessary.
 */

     * as EINVAL instead of EEXIST (first rule out the correct EINVAL result
     * code for moving a directory into itself). Must be conditionally
     * compiled because realpath() not defined on all systems.
     */

    if (errno == EINVAL && haveRealpath) {
	char srcPath[MAXPATHLEN], dstPath[MAXPATHLEN];
	TclDIR *dirPtr;
	Tcl_DirEntry *dirEntPtr;

	if ((Realpath((char *) src, srcPath) != NULL)	/* INTL: Native. */
		&& (Realpath((char *) dst, dstPath) != NULL) /* INTL: Native */
		&& (strncmp(srcPath, dstPath, strlen(srcPath)) != 0)) {
	    dirPtr = TclOSopendir(dst);			/* INTL: Native. */
	    if (dirPtr != NULL) {
		while (1) {
		    dirEntPtr = TclOSreaddir(dirPtr);	/* INTL: Native. */
		    if (dirEntPtr == NULL) {
			break;
		    }
		    if ((strcmp(dirEntPtr->d_name, ".") != 0) &&
			    (strcmp(dirEntPtr->d_name, "..") != 0)) {
			errno = EEXIST;
			TclOSclosedir(dirPtr);
			return TCL_ERROR;
		    }
		}
		TclOSclosedir(dirPtr);
	    }
	}
	errno = EINVAL;
    }
#endif	/* !NO_REALPATH */

    if (strcmp(src, "/") == 0) {

#define BINMODE |O_BINARY
#else
#define BINMODE
#endif /* DJGPP */

#define DEFAULT_COPY_BLOCK_SIZE 4096

    if ((srcFd = TclOSopen(src, O_RDONLY BINMODE, 0)) < 0) { /* INTL: Native */
	return TCL_ERROR;
    }

    dstFd = TclOSopen(dst, O_CREAT|O_TRUNC|O_WRONLY BINMODE, /* INTL: Native */
	    statBufPtr->st_mode);
    if (dstFd < 0) {
	close(srcFd);
	return TCL_ERROR;
    }

    /*

{
    Tcl_StatBuf statBuf;
    const char *source, *errfile;
    int result;
    size_t targetLen, sourceLen;
#ifndef HAVE_FTS
    int numProcessed = 0;
    Tcl_DirEntry *dirEntPtr;
    TclDIR *dirPtr;
#else
    const char *paths[2] = {NULL, NULL};
    FTS *fts = NULL;
    FTSENT *ent;
#endif

    errfile = NULL;

	 * Process the regular file
	 */

	return traverseProc(sourcePtr, targetPtr, &statBuf, DOTREE_F,
		errorPtr);
    }
#ifndef HAVE_FTS
    dirPtr = TclOSopendir(source);			/* INTL: Native. */
    if (dirPtr == NULL) {
	/*
	 * Can't read directory
	 */

	errfile = source;
	goto end;
    }
    result = traverseProc(sourcePtr, targetPtr, &statBuf, DOTREE_PRED,
	    errorPtr);
    if (result != TCL_OK) {
	TclOSclosedir(dirPtr);
	return result;
    }

    TclDStringAppendLiteral(sourcePtr, "/");
    sourceLen = Tcl_DStringLength(sourcePtr);

    if (targetPtr != NULL) {
	TclDStringAppendLiteral(targetPtr, "/");
	targetLen = Tcl_DStringLength(targetPtr);
    }

    while ((dirEntPtr = TclOSreaddir(dirPtr)) != NULL) { /* INTL: Native. */
	if ((dirEntPtr->d_name[0] == '.')
		&& ((dirEntPtr->d_name[1] == '\0')
			|| (strcmp(dirEntPtr->d_name, "..") == 0))) {
	    continue;
	}

	/*

	if (doRewind && (numProcessed > MAX_READDIR_UNLINK_THRESHOLD)) {
	    /*
	     * Call rewinddir if we've called unlink or rmdir so many times
	     * (since the opendir or the previous rewinddir), to avoid a
	     * NULL-return that may a symptom of a buggy readdir.
	     */

	    TclOSrewinddir(dirPtr);
	    numProcessed = 0;
	}
    }
    TclOSclosedir(dirPtr);

    /*
     * Strip off the trailing slash we added
     */

    Tcl_DStringSetLength(sourcePtr, sourceLen - 1);
    if (targetPtr != NULL) {

	matchResult = NativeMatchType(interp, native, nativeTail, types);
	if (matchResult == 1) {
	    Tcl_ListObjAppendElement(interp, resultPtr, pathPtr);
	}
	Tcl_DecrRefCount(tailPtr);
	Tcl_DecrRefCount(fileNamePtr);
    } else {
	TclDIR *d;
	Tcl_DirEntry *entryPtr;
	const char *dirName;
	size_t dirLength, nativeDirLen;
	int matchHidden, matchHiddenPat;
	Tcl_StatBuf statBuf;
	Tcl_DString ds;		/* native encoding of dir */
	Tcl_DString dsOrig;	/* utf-8 encoding of dir */

		|| !S_ISDIR(statBuf.st_mode)) {
	    Tcl_DStringFree(&dsOrig);
	    Tcl_DStringFree(&ds);
	    Tcl_DecrRefCount(fileNamePtr);
	    return TCL_OK;
	}

	d = TclOSopendir(native);				/* INTL: Native. */
	if (d == NULL) {
	    Tcl_DStringFree(&ds);
	    if (interp != NULL) {
		Tcl_SetObjResult(interp, Tcl_ObjPrintf(
			"couldn't read directory \"%s\": %s",
			Tcl_DStringValue(&dsOrig), Tcl_PosixError(interp)));
	    }

	 * Check to see if -type or the pattern requests hidden files.
	 */

	matchHiddenPat = (pattern[0] == '.')
		|| ((pattern[0] == '\\') && (pattern[1] == '.'));
	matchHidden = matchHiddenPat
		|| (types && (types->perm & TCL_GLOB_PERM_HIDDEN));
	while ((entryPtr = TclOSreaddir(d)) != NULL) {	/* INTL: Native. */
	    Tcl_DString utfDs;
	    const char *utfname;

	    /*
	     * Skip this file if it doesn't agree with the hidden parameters
	     * requested by the user (via -type or pattern).
	     */

	    }
	    Tcl_DStringFree(&utfDs);
	    if (matchResult < 0) {
		break;
	    }
	}

	TclOSclosedir(d);
	Tcl_DStringFree(&ds);
	Tcl_DStringFree(&dsOrig);
	Tcl_DecrRefCount(fileNamePtr);
    }
    if (matchResult < 0) {
	return TCL_ERROR;
    }

    tclPlatform = TCL_PLATFORM_UNIX;
#endif

    /*
     * Make sure, that the standard FDs exist. [Bug 772288]
     */

    if (TclOSseek(0, (Tcl_SeekOffset) 0, SEEK_CUR) == -1 && errno == EBADF) {
	open("/dev/null", O_RDONLY);
    }
    if (TclOSseek(1, (Tcl_SeekOffset) 0, SEEK_CUR) == -1 && errno == EBADF) {
	open("/dev/null", O_WRONLY);
    }
    if (TclOSseek(2, (Tcl_SeekOffset) 0, SEEK_CUR) == -1 && errno == EBADF) {
	open("/dev/null", O_WRONLY);
    }

    /*
     * The code below causes SIGPIPE (broken pipe) errors to be ignored. This
     * is needed so that Tcl processes don't die if they create child
     * processes (e.g. using "exec" or "open") that terminate prematurely.

    int mode)			/* In what mode to open the file? */
{
    int fd;
    const char *native;
    Tcl_DString ds;

    native = Tcl_UtfToExternalDString(NULL, fname, -1, &ds);
    fd = TclOSopen(native, mode, 0666);			/* INTL: Native. */
    Tcl_DStringFree(&ds);
    if (fd != -1) {
	fcntl(fd, F_SETFD, FD_CLOEXEC);

	/*
	 * If the file is being opened for writing, seek to the end so we can
	 * append to any data already in the file.
	 */

	if ((mode & O_WRONLY) && !(mode & O_APPEND)) {
	    TclOSseek(fd, (Tcl_SeekOffset) 0, SEEK_END);
	}

	/*
	 * Increment the fd so it can't be 0, which would conflict with the
	 * NULL return for errors.
	 */

	native = Tcl_UtfToExternalDString(NULL, contents, -1, &dstring);
	if (write(fd, native, Tcl_DStringLength(&dstring)) == -1) {
	    close(fd);
	    Tcl_DStringFree(&dstring);
	    return NULL;
	}
	Tcl_DStringFree(&dstring);
	TclOSseek(fd, (Tcl_SeekOffset) 0, SEEK_SET);
    }
    return MakeFile(fd);
}

/*
 *----------------------------------------------------------------------
 *


/*
 *---------------------------------------------------------------------------
 * Parameterize for 64-bit filesystem support.
 *---------------------------------------------------------------------------
 */

#ifdef HAVE_STRUCT_DIRENT64
typedef struct dirent64		Tcl_DirEntry;
#   define TclOSreaddir		readdir64
#else
typedef struct dirent		Tcl_DirEntry;
#   define TclOSreaddir		readdir
#endif
#ifdef HAVE_DIR64
typedef DIR64			TclDIR;
#   define TclOSopendir		opendir64
#   define TclOSrewinddir	rewinddir64
#   define TclOSclosedir	closedir64
#else
typedef DIR			TclDIR;
#   define TclOSopendir		opendir
#   define TclOSrewinddir	rewinddir
#   define TclOSclosedir	closedir
#endif

#ifdef HAVE_TYPE_OFF64_T
typedef off64_t		Tcl_SeekOffset;
#   define TclOSseek		lseek64
#   define TclOSopen		open64
#else
typedef off_t		Tcl_SeekOffset;
#   define TclOSseek		lseek
#   define TclOSopen		open
#endif

#ifdef __CYGWIN__

    /* Make some symbols available without including <windows.h> */
#   define DWORD unsigned int
#   define CP_UTF8 65001
#   define GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS 0x00000004
#   define HANDLE void *

#ifndef __x86_64__
#   define environ __cygwin_environ
    extern char **__cygwin_environ;
#endif
#   define timezone _timezone
    extern int TclOSstat(const char *name, void *statBuf);
    extern int TclOSlstat(const char *name, void *statBuf);
#elif defined(HAVE_STRUCT_STAT64) && !defined(__APPLE__)
#   define TclOSstat		stat64
#   define TclOSlstat		lstat64
#else
#   define TclOSstat		stat
#   define TclOSlstat		lstat
#endif

/*
 *---------------------------------------------------------------------------

    WCHAR dummyBuf[MAX_PATH * 3];
} DUMMY_REPARSE_BUFFER;

/*
 * Other typedefs required by this code.
 */

static time_t		ToCTime(FILETIME fileTime);
static void		FromCTime(time_t posixTime, FILETIME *fileTime);

/*
 * Declarations for local functions defined in this file:
 */

static int		NativeAccess(const WCHAR *path, int mode);
static int		NativeDev(const WCHAR *path);

}

/*
 *------------------------------------------------------------------------
 *
 * ToCTime --
 *
 *	Converts a Windows FILETIME to a time_t in UTC.
 *
 * Results:
 *	Returns the count of seconds from the Posix epoch.
 *
 *------------------------------------------------------------------------
 */

static time_t
ToCTime(
    FILETIME fileTime)		/* UTC time */
{
    LARGE_INTEGER convertedTime;

    convertedTime.LowPart = fileTime.dwLowDateTime;
    convertedTime.HighPart = (LONG) fileTime.dwHighDateTime;

    return (time_t) ((convertedTime.QuadPart -
	    (Tcl_WideInt) POSIX_EPOCH_AS_FILETIME) / (Tcl_WideInt) 10000000);
}

/*
 *------------------------------------------------------------------------
 *
 * FromCTime --
 *
 *	Converts a time_t to a Windows FILETIME
 *
 * Results:
 *	Returns the count of 100-ns ticks seconds from the Windows epoch.
 *
 *------------------------------------------------------------------------
 */

static void
FromCTime(
    time_t posixTime,
    FILETIME *fileTime)		/* UTC Time */
{
    LARGE_INTEGER convertedTime;

    convertedTime.QuadPart = ((LONGLONG) posixTime) * 10000000
	    + POSIX_EPOCH_AS_FILETIME;
    fileTime->dwLowDateTime = convertedTime.LowPart;

 * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
 */

#ifndef _TCLWINPORT
#define _TCLWINPORT

#if !defined(_WIN64) && defined(BUILD_tcl)
/* See [Bug 3354324]: file mtime sets wrong time */
#   define _USE_32BIT_TIME_T
#endif

/*
 * We must specify the lower version we intend to support.
 *
 * WINVER = 0x0501 means Windows XP and above
 */