TCL_DECLARE_MUTEX(netdbMutex)

#ifndef HAVE_GETNAMEINFO
#ifndef HAVE_STRLCPY
static size_t
strlcpy(char *dst, const char *src, size_t siz)
{
        char *d = dst;
        const char *s = src;
        size_t n = siz;

        /* Copy as many bytes as will fit */
        if (n != 0 && --n != 0) {
                do {
                        if ((*d++ = *s++) == 0)
                                break;
                } while (--n != 0);
        }

        /* Not enough room in dst, add NUL and traverse rest of src */
        if (n == 0) {
                if (siz != 0)
                        *d = '\0';              /* NUL-terminate dst */
                while (*s++)
                        ;
        }

        return(s - src - 1);    /* count does not include NUL */
}
#endif

int fake_getnameinfo(const struct sockaddr *sa, size_t salen, char *host,
                size_t hostlen, char *serv, size_t servlen, int flags)
{
	struct sockaddr_in *sin = (struct sockaddr_in *)sa;
	struct hostent *hp;
	char tmpserv[16];
	(void)salen;

	if (sa->sa_family != AF_UNSPEC && sa->sa_family != AF_INET)

    return sco;
}

/*
 - subrange - allocate new subcolors to this range of chrs, fill in arcs
 ^ static void subrange(struct vars *, pchr, pchr, struct state *,
 ^ 	struct state *);
 */
static void
subrange(
    struct vars *v,
    pchr from,
    pchr to,
    struct state *lp,

    a->colorchain = NULL;	/* paranoia */
    a->colorchainRev = NULL;
}

/*
 - rainbow - add arcs of all full colors (but one) between specified states
 ^ static void rainbow(struct nfa *, struct colormap *, int, pcolor,
 ^ 	struct state *, struct state *);
 */
static void
rainbow(
    struct nfa *nfa,
    struct colormap *cm,
    int type,
    pcolor but,			/* COLORLESS if no exceptions */

    }
}

/*
 - colorcomplement - add arcs of complementary colors
 * The calling sequence ought to be reconciled with cloneouts().
 ^ static void colorcomplement(struct nfa *, struct colormap *, int,
 ^ 	struct state *, struct state *, struct state *);
 */
static void
colorcomplement(
    struct nfa *nfa,
    struct colormap *cm,
    int type,
    struct state *of,		/* complements of this guy's PLAIN outarcs */

	    }
	    for (i=0 ; i<NUM_UPPER_CHAR ; i++) {
		addchr(cv, upperCharTable[i]);
	    }
	}
	break;
    case CC_PRINT:
    	cv  = getcvec(v, NUM_SPACE_CHAR + NUM_GRAPH_CHAR, NUM_SPACE_RANGE + NUM_GRAPH_RANGE  - 1);
    	if (cv) {
    	    for (i=1 ; i<NUM_SPACE_RANGE ; i++) {
    		addrange(cv, spaceRangeTable[i].start,
    				spaceRangeTable[i].end);
    	    }
    	    for (i=0 ; i<NUM_SPACE_CHAR ; i++) {
    		addchr(cv, spaceCharTable[i]);
    	    }
    	    for (i=0 ; i<NUM_GRAPH_RANGE ; i++) {
    		addrange(cv, graphRangeTable[i].start,
    				graphRangeTable[i].end);
    	    }
    	    for (i=0 ; i<NUM_GRAPH_CHAR ; i++) {
    		addchr(cv, graphCharTable[i]);
    	    }
    	}
    	break;
    case CC_GRAPH:
	cv  = getcvec(v, NUM_GRAPH_CHAR, NUM_GRAPH_RANGE);
	if (cv) {
	    for (i=0 ; i<NUM_GRAPH_RANGE ; i++) {
		addrange(cv, graphRangeTable[i].start,
			graphRangeTable[i].end);
	    }

    }
    return NULL;
}

/*
 - cparc - allocate a new arc within an NFA, copying details from old one
 ^ static void cparc(struct nfa *, struct arc *, struct state *,
 ^ 	struct state *);
 */
static void
cparc(
    struct nfa *nfa,
    struct arc *oa,
    struct state *from,
    struct state *to)

    const struct arc *bb = *((const struct arc * const *) b);

    /* we check the fields in the order they are most likely to be different */
    if (aa->from->no < bb->from->no) {
	return -1;
    }
    if (aa->from->no > bb->from->no) {
 	return 1;
    }
    if (aa->co < bb->co) {
 	return -1;
    }
    if (aa->co > bb->co) {
 	return 1;
    }
    if (aa->type < bb->type) {
 	return -1;
    }
    if (aa->type > bb->type) {
 	return 1;
    }
    return 0;
}

/*
 * sortouts - sort the out arcs of a state by to/color/type
 */

	/* With not too many arcs, just do them one at a time */
	struct arc *a;

	for (a = oldState->outs; a != NULL; a = a->outchain) {
	    cparc(nfa, a, newState, a->to);
	}
    } else {
 	/*
	 * With many arcs, use a sort-merge approach.  Note that createarc()
	 * will put new arcs onto the front of newState's chain, so it does
	 * not break our walk through the sorted part of the chain.
	 */
	struct arc *oa;
	struct arc *na;

	}
    }
}

/*
 - cloneouts - copy out arcs of a state to another state pair, modifying type
 ^ static void cloneouts(struct nfa *, struct state *, struct state *,
 ^ 	struct state *, int);
 */
static void
cloneouts(
    struct nfa *nfa,
    struct state *old,
    struct state *from,
    struct state *to,


/*
 - dupnfa - duplicate sub-NFA
 * Another recursive traversal, this time using tmp to point to duplicates as
 * well as mark already-seen states. (You knew there was a reason why it's a
 * state pointer, didn't you? :-))
 ^ static void dupnfa(struct nfa *, struct state *, struct state *,
 ^ 	struct state *, struct state *);
 */
static void
dupnfa(
    struct nfa *nfa,
    struct state *start,	/* duplicate of subNFA starting here */
    struct state *stop,		/* and stopping here */
    struct state *from,		/* stringing duplicate from here */

		s = newstate(nfa);
		if (NISERR()) {
		    return 0;
		}
		s->tmp = *intermediates;
		*intermediates = s;
	    }
  	    cparc(nfa, con, a->from, s);
	    cparc(nfa, a, s, to);
 	    freearc(nfa, a);
  	    break;
	default:
	    assert(NOTREACHED);
	    break;
	}
    }

    /*

		if (NISERR()) {
		    return 0;
		}
		s->tmp = *intermediates;
		*intermediates = s;
	    }
	    cparc(nfa, con, s, a->to);
  	    cparc(nfa, a, from, s);
  	    freearc(nfa, a);
  	    break;
	default:
	    assert(NOTREACHED);
	    break;
	}
    }

    /*

	    /* Add s2's original inarcs to arcarray[], but ignore empties */
	    for (a = inarcsorig[s2->no]; a != NULL; a = a->inchain) {
		if (a->type != EMPTY) {
		    arcarray[arccount++] = a;
		}
	    }

  	    /* Reset the tmp fields as we walk back */
  	    nexts = s2->tmp;
  	    s2->tmp = NULL;
  	}
  	s->tmp = NULL;
	assert(arccount <= totalinarcs);

	/* Remember how many original inarcs this state has */
	prevnins = s->nins;

	/* Add non-duplicate inarcs to target state */
	mergeins(nfa, s, arcarray, arccount);

	for (a = s->outs; a != NULL && !NISERR(); a = nexta) {
	    nexta = a->outchain;
	    if (isconstraintarc(a)) {
		if (a->to == s) {
		    freearc(nfa, a);
		} else {
		    hasconstraints = 1;
 		}
	    }
	}
 	/* If we removed all the outarcs, the state is useless. */
 	if (s->nouts == 0 && !s->flag) {
 	    dropstate(nfa, s);
	}
    }

    /* Nothing to do if no remaining constraint arcs */
    if (NISERR() || !hasconstraints) {
	return;
    }

	s->tmp = NULL;
	if ((s->nins == 0 || s->nouts == 0) && !s->flag) {
	    dropstate(nfa, s);
	}
    }

    if (f != NULL) {
 	dumpnfa(nfa, f);
    }
}

/*
 * findconstraintloop - recursively find a loop of constraint arcs
 *
 * If we find a loop, break it by calling breakconstraintloop(), then

    }
    nfa->nstates = n;
}

/*
 - markreachable - recursive marking of reachable states
 ^ static void markreachable(struct nfa *, struct state *, struct state *,
 ^ 	struct state *);
 */
static void
markreachable(
    struct nfa *nfa,
    struct state *s,
    struct state *okay,		/* consider only states with this mark */
    struct state *mark)		/* the value to mark with */

	markreachable(nfa, a->to, okay, mark);
    }
}

/*
 - markcanreach - recursive marking of states which can reach here
 ^ static void markcanreach(struct nfa *, struct state *, struct state *,
 ^ 	struct state *);
 */
static void
markcanreach(
    struct nfa *nfa,
    struct state *s,
    struct state *okay,		/* consider only states with this mark */
    struct state *mark)		/* the value to mark with */


/*
 - parse - parse an RE
 * This is actually just the top level, which parses a bunch of branches tied
 * together with '|'. They appear in the tree as the left children of a chain
 * of '|' subres.
 ^ static struct subre *parse(struct vars *, int, int, struct state *,
 ^ 	struct state *);
 */
static struct subre *
parse(
    struct vars *v,
    int stopper,		/* EOS or ')' */
    int type,			/* LACON (lookahead subRE) or PLAIN */
    struct state *init,		/* initial state */


/*
 - parsebranch - parse one branch of an RE
 * This mostly manages concatenation, working closely with parseqatom().
 * Concatenated things are bundled up as much as possible, with separate
 * ',' nodes introduced only when necessary due to substructure.
 ^ static struct subre *parsebranch(struct vars *, int, int, struct state *,
 ^ 	struct state *, int);
 */
static struct subre *
parsebranch(
    struct vars *v,
    int stopper,		/* EOS or ')' */
    int type,			/* LACON (lookahead subRE) or PLAIN */
    struct state *left,		/* leftmost state */


/*
 - parseqatom - parse one quantified atom or constraint of an RE
 * The bookkeeping near the end cooperates very closely with parsebranch(); in
 * particular, it contains a recursion that can involve parsing the rest of
 * the branch, making this function's name somewhat inaccurate.
 ^ static void parseqatom(struct vars *, int, int, struct state *,
 ^ 	struct state *, struct subre *);
 */
static void
parseqatom(
    struct vars *v,
    int stopper,		/* EOS or ')' */
    int type,			/* LACON (lookahead subRE) or PLAIN */
    struct state *lp,		/* left state to hang it on */

    dovec(v, allcases(v, c), lp, rp);
}

/*
 - dovec - fill in arcs for each element of a cvec
 ^ static void dovec(struct vars *, struct cvec *, struct state *,
 ^ 	struct state *);
 */
static void
dovec(
    struct vars *v,
    struct cvec *cv,
    struct state *lp,
    struct state *rp)

    return NULL;
}

/*
 - shortest - shortest-preferred matching engine
 ^ static chr *shortest(struct vars *, struct dfa *, chr *, chr *, chr *,
 ^ 	chr **, int *);
 */
static chr *			/* endpoint, or NULL */
shortest(
    struct vars *const v,
    struct dfa *const d,
    chr *const start,		/* where the match should start */
    chr *const min,		/* match must end at or after here */

    }
    return nopr;
}

/*
 - newDFA - set up a fresh DFA
 ^ static struct dfa *newDFA(struct vars *, struct cnfa *,
 ^ 	struct colormap *, struct smalldfa *);
 */
static struct dfa *
newDFA(
    struct vars *const v,
    struct cnfa *const cnfa,
    struct colormap *const cm,
    struct smalldfa *sml)	/* preallocated space, may be NULL */

    d->lastnopr = NULL;
    return ss;
}

/*
 - miss - handle a cache miss
 ^ static struct sset *miss(struct vars *, struct dfa *, struct sset *,
 ^ 	pcolor, chr *, chr *);
 */
static struct sset *		/* NULL if goes to empty set */
miss(
    struct vars *const v,	/* used only for debug flags */
    struct dfa *const d,
    struct sset *const css,
    const pcolor co,

    /* ignore spaces at begin */
    yyInput = bypassSpaces(yyInput);

    /* parse */
    status = yyparse(info);
    if (status == 1) {
    	const char *msg = NULL;
	if (info->errFlags & CLF_HAVEDATE) {
	    msg = "more than one date in string";
	} else if (info->errFlags & CLF_TIME) {
	    msg = "more than one time of day in string";
	} else if (info->errFlags & CLF_ZONE) {
	    msg = "more than one time zone in string";
	} else if (info->errFlags & CLF_DAYOFWEEK) {

    /* ignore spaces at begin */
    yyInput = bypassSpaces(yyInput);

    /* parse */
    status = yyparse(info);
    if (status == 1) {
    	const char *msg = NULL;
	if (info->errFlags & CLF_HAVEDATE) {
	    msg = "more than one date in string";
	} else if (info->errFlags & CLF_TIME) {
	    msg = "more than one time of day in string";
	} else if (info->errFlags & CLF_ZONE) {
	    msg = "more than one time zone in string";
	} else if (info->errFlags & CLF_DAYOFWEEK) {

		Tcl_SetObjResult(
		    interp,
		    Tcl_ObjPrintf("specified field width %" TCL_LL_MODIFIER
				  "u exceeds limit %" TCL_SIZE_MODIFIER "d.",
				  ull,
				  (Tcl_Size)TCL_SIZE_MAX-1));
		Tcl_SetErrorCode(
		    interp, "TCL", "FORMAT", "WIDTHLIMIT", (void *)NULL);
		goto error;
	    }
	    flags |= SCAN_WIDTH;
	    format += TclUtfToUniChar(format, &ch);
	}

	/*

 * UtfTransformFn --
 *
 *    Implements a direct call into Tcl_UtfToExternal and Tcl_ExternalToUtf
 *    as otherwise there is no script level command that directly exercises
 *    these functions (i/o command cannot test all combinations)
 *    The arguments at the script level are roughly those of the above
 *    functions:
 *        encodingname srcbytes flags state dstlen ?srcreadvar? ?dstwrotevar? ?dstcharsvar?
 *
 * Results:
 *    TCL_OK or TCL_ERROR. This any errors running the test, NOT the
 *    result of Tcl_UtfToExternal or Tcl_ExternalToUtf.
 *
 * Side effects:
 *

	    if (arg[1] != 'r') {
		goto wrongArgs;
	    }
	    readonly = TCL_LINK_READ_ONLY;
	    i++;
	}
	if (Tcl_GetIndexFromObj(interp, objv[i++], LinkType, "type", 0,
 		&typeIndex) != TCL_OK) {
	    return TCL_ERROR;
	}
	if (Tcl_GetIntFromObj(interp, objv[i++], &size) == TCL_ERROR) {
	    Tcl_SetObjResult(interp, Tcl_NewStringObj("wrong size value", -1));
	    return TCL_ERROR;
	}
	name = Tcl_GetString(objv[i++]);

	/*
	 * If no address is given request one in the underlying function
	 */

	if (i < objc) {
	    if (Tcl_GetWideIntFromObj(interp, objv[i], &addr) == TCL_ERROR) {
 		Tcl_SetObjResult(interp, Tcl_NewStringObj(
			"wrong address value", -1));
		return TCL_ERROR;
	    }
	} else {
	    addr = 0;
	}
	return Tcl_LinkArray(interp, name, INT2PTR(addr),

    TCL_UNUSED(Tcl_Interp *),
    const char *name,
    TCL_UNUSED(Tcl_Size) /* length */,
    TCL_UNUSED(Tcl_Namespace *),
    Tcl_ResolvedVarInfo **rPtr)
{
    if (*name == 'T') {
 	MyResolvedVarInfo *resVarInfo = (MyResolvedVarInfo *)Tcl_Alloc(sizeof(MyResolvedVarInfo));

 	resVarInfo->vInfo.fetchProc = MyCompiledVarFetch;
 	resVarInfo->vInfo.deleteProc = MyCompiledVarFree;
 	resVarInfo->var = NULL;
 	resVarInfo->nameObj = Tcl_NewStringObj(name, -1);
 	Tcl_IncrRefCount(resVarInfo->nameObj);
 	*rPtr = &resVarInfo->vInfo;
 	return TCL_OK;
    }
    return TCL_CONTINUE;
}

static int
TestInterpResolverCmd(
    TCL_UNUSED(void *),

    /*
     * The bug trigger. Repeating the command but:
     *  - we are calling apply with a lambda that is a list (as BEFORE),
     *    BUT
     *  - The body of the lambda (lambdaObjs[1]) ALREADY has internal
     *    representation of ByteCode and thus will not be compiled again
     */
    evalObjs[1] = lambdaObj; /* lambdaObj already has a ref count so
     				no need for IncrRef */
    result = Tcl_EvalObjv(interp, 2, evalObjs, TCL_EVAL_GLOBAL);
    Tcl_DecrRefCount(evalObjs[0]);
    Tcl_DecrRefCount(lambdaObj);

    return result;
}

     * Since Tcl_CancelEval can be safely called from any thread,
     * we do it now.
     */

    Tcl_MutexUnlock(&threadMutex);
    Tcl_ResetResult(interp);
    return Tcl_CancelEval(tsdPtr->interp,
    	(result != NULL) ? Tcl_NewStringObj(result, -1) : NULL, 0, flags);
}

/*
 *------------------------------------------------------------------------
 *
 * ThreadEventProc --
 *

# tcl_findLibrary --
#
#	This is a utility for extensions that searches for a library directory
#	using a canonical searching algorithm. A side effect is to source the
#	initialization script and set a global library variable.
#
# Arguments:
# 	basename	Prefix of the directory name, (e.g., "tk")
#	version		Version number of the package, (e.g., "8.0")
#	patch		Patchlevel of the package, (e.g., "8.0.3")
#	initScript	Initialization script to source (e.g., tk.tcl)
#	enVarName	environment variable to honor (e.g., TK_LIBRARY)
#	varName		Global variable to set when done (e.g., tk_library)

proc tcl_findLibrary {basename version patch initScript enVarName varName} {

			} elseif {[zipfs exists [file join $mountpoint $initScript]]} {
			    lappend dirs [file join $mountpoint $initScript]
			    set found 1
			    break
			} else {
			    catch {zipfs unmount $mountpoint}
			}
	      	    }
		}
	    }
	}

	# 2. In the package script directory registered within the
	#    configuration of the package itself.

#
# This procedure allows extensions to register their own commands with the
# auto_mkindex facility.  For example, a package like [incr Tcl] might
# register a "class" command so that class definitions could be added to a
# "tclIndex" file for auto-loading.
#
# Arguments:
#	name 	Name of command recognized in Tcl files.
#	arglist	Argument list for command.
#	body 	Implementation of command to handle indexing.

proc auto_mkindex_parser::command {name arglist body} {
    hook [list auto_mkindex_parser::commandInit $name $arglist $body]
}

# auto_mkindex_parser::commandInit --
#
# This does the actual work set up by auto_mkindex_parser::command. This is
# called when the interpreter used by the parser is created.
#
# Arguments:
#	name 	Name of command recognized in Tcl files.
#	arglist	Argument list for command.
#	body 	Implementation of command to handle indexing.

proc auto_mkindex_parser::commandInit {name arglist body} {
    variable parser

    set ns [namespace qualifiers $name]
    set tail [namespace tail $name]
    if {$ns eq ""} {

	}
	LOCALE_TIME_FORMAT {%H:%M:%S}
	LOCALE_YEAR_FORMAT {%EC%Ey}
	MONTHS_ABBREV		{
	    Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
	}
	MONTHS_FULL		{
	    	January		February	March
	    	April		May		June
	    	July		August		September
		October		November	December
	}
	PM {pm}
	TIME_FORMAT {%H:%M:%S}
	TIME_FORMAT_12 {%I:%M:%S %P}
	TIME_FORMAT_24 {%H:%M}
	TIME_FORMAT_24_SECS {%H:%M:%S}

    # Translation table to map Windows TZI onto cities, so that the Olson
    # rules can apply.  In some cases the mapping is ambiguous, so it's wise
    # to specify $::env(TCL_TZ) rather than simply depending on the system
    # time zone.

    # The keys are long lists of values obtained from the time zone
    # information in the Registry.  In order, the list elements are:
    # 	Bias StandardBias DaylightBias
    #   StandardDate.wYear StandardDate.wMonth StandardDate.wDayOfWeek
    #   StandardDate.wDay StandardDate.wHour StandardDate.wMinute
    #   StandardDate.wSecond StandardDate.wMilliseconds
    #   DaylightDate.wYear DaylightDate.wMonth DaylightDate.wDayOfWeek
    #   DaylightDate.wDay DaylightDate.wHour DaylightDate.wMinute
    #   DaylightDate.wSecond DaylightDate.wMilliseconds
    # The values are the names of time zones where those rules apply.  There

	{-3600 0 3600 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0}   :Atlantic/Cape_Verde
	{0 0 3600 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0}       :UTC
	{0 0 3600 0 10 0 5 2 0 0 0 0 3 0 5 1 0 0 0}      :Europe/London
	{3600 0 3600 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0}    :Africa/Kinshasa
	{3600 0 3600 0 10 0 5 3 0 0 0 0 3 0 5 2 0 0 0}   :CET
	{7200 0 3600 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0}    :Africa/Harare
	{7200 0 3600 0 9 4 5 23 59 59 0 0 4 4 5 23 59 59 0}
			      				 :Africa/Cairo
	{7200 0 3600 0 10 0 5 4 0 0 0 0 3 0 5 3 0 0 0}   :Europe/Helsinki
	{7200 0 3600 0 9 0 3 2 0 0 0 0 3 5 5 2 0 0 0}    :Asia/Jerusalem
	{7200 0 3600 0 9 0 5 1 0 0 0 0 3 0 5 0 0 0 0}    :Europe/Bucharest
	{7200 0 3600 0 10 0 5 3 0 0 0 0 3 0 5 2 0 0 0}   :Europe/Athens
	{7200 0 3600 0 9 5 5 1 0 0 0 0 3 4 5 0 0 0 0}    :Asia/Amman
	{7200 0 3600 0 10 6 5 23 59 59 999 0 3 0 5 0 0 0 0}
							 :Asia/Beirut

    ]

    # Caches

    variable LocFmtMap [dict create];	# Dictionary with localized format maps

    variable TimeZoneBad [dict create]; # Dictionary whose keys are time zone
    					# names and whose values are 1 if
					# the time zone is unknown and 0
    					# if it is known.
    variable TZData;			# Array whose keys are time zone names
					# and whose values are lists of quads
					# comprising start time, UTC offset,
					# Daylight Saving Time indicator, and
					# time zone abbreviation.

    variable mcLocales	 [dict create];	# Dictionary with loaded locales

    variable mcMergedCat
    switch -- $loc system {
	set loc [GetSystemLocale]
    } current {
	set loc [mclocale]
    }
    if {$loc ne {}} {
    	set loc [string tolower $loc]
    }

    # try to retrieve now if already available:
    if {[dict exists $mcMergedCat $loc]} {
	return [dict get $mcMergedCat $loc]
    }

# Side effects:
#	Does [mclocale].  If necessary, loades the designated locale's files.
#
#----------------------------------------------------------------------

proc ::tcl::clock::EnterLocale { locale } {
    switch -- $locale system {
    	set locale [GetSystemLocale]
    } current {
	set locale [mclocale]
    }
    # Select the locale, eventually load it
    mcpackagelocale set $locale
    return $locale
}

	    if {
		[catch {
		    LoadTimeZoneFile [string range $timezone 1 end]
		}] && [catch {
		    LoadZoneinfoFile [string range $timezone 1 end]
		}]
	    } then {
	    	dict set TimeZoneBad $timezone 1
		return -code error \
		    -errorcode [list CLOCK badTimeZone $timezone] \
		    "time zone \"$timezone\" not found"
	    }
	} elseif { ![catch {ParsePosixTimeZone $timezone} tzfields] } {
	    # This looks like a POSIX time zone - try to process it

#	Add an item to the history, and optionally eval it at the global scope
#
# Parameters:
#	event		the command to add
#	exec		(optional) a substring of "exec" causes the command to
#			be evaled.
# Results:
# 	If executing, then the results of the command are returned
#
# Side Effects:
#	Adds to the history list

proc ::tcl::HistAdd {event {exec {}}} {
    variable history

	# later, OR https handshake error, which may be discovered as late as
	# the "flush" command above...
	Log "WARNING - if testing, pay special attention to this\
		case (GI) which is seldom executed - token $token"
	if {[info exists state(reusing)] && $state(reusing)} {
	    # The socket was closed at the server end, and closed at
	    # this end by http::CheckEof.
    	    if {[TestForReplay $token write $err a]} {
		return
	    } else {
		Finish $token {failed to re-use socket}
	    }

	    # else:
	    # This is NOT a persistent socket that has been closed since its

#	This callback is made when an asynchronous connection completes.
#
# Arguments
#	token	The token returned from http::geturl
#
# Side Effects
#	Sets the status of the connection, which unblocks
# 	the waiting geturl call

proc http::Connect {token proto phost srvurl} {
    variable $token
    upvar 0 $token state
    set tk [namespace tail $token]

    if {[catch {eof $state(sock)} tmp] || $tmp} {

	    catch {chan event $chan readable {}}
	    return
	}
    }
}

# http::SplitCommaSeparatedFieldValue --
# 	Return the individual values of a comma-separated field value.
#
# Arguments:
#	fieldValue	Comma-separated header field value.
#
# Results:
#       List of values.
proc http::SplitCommaSeparatedFieldValue {fieldValue} {
    set r {}
    foreach el [split $fieldValue ,] {
	lappend r [string trim $el]
    }
    return $r
}


# http::GetFieldValue --
# 	Return the value of a header field.
#
# Arguments:
#	headers	Headers key-value list
#	fieldName	Name of header field whose value to return.
#
# Results:
#       The value of the fieldName header field

                return -code error [OptOptUsage $item]
            }
        }
    }

    # Auto magic lazy type determination
    proc OptGuessType {arg} {
 	 if { $arg == "true" || $arg == "false" } {
            return boolean
        }
        if {[string is integer -strict $arg]} {
            return int
        }
        if {[string is double -strict $arg]} {
            return float

			# $file was not readable; silently ignore
			continue
		    } on error msg {
			if {[regexp {version conflict for package} $msg]} {
			    # In case of version conflict, silently ignore
			    continue
			}
    			tclLog "error reading package index file $file: $msg"
		    } on ok {} {
			set procdDirs($dir) 1
		    }
		}
	    }
	}
	set dir [lindex $use_path end]

		try {
		    ::tcl::Pkg::source $file
		} trap {POSIX EACCES} {} {
		    # $file was not readable; silently ignore
		    continue
		} on error msg {
		    if {[regexp {version conflict for package} $msg]} {
		 	# In case of version conflict, silently ignore
			continue
		    }
		    tclLog "error reading package index file $file: $msg"
		} on ok {} {
		    set procdDirs($dir) 1
		}
	    }

    set maxtries 10
    set access [list RDWR CREAT EXCL TRUNC]
    set permission 0600
    set channel ""
    set checked_dir_writable 0
    set mypid [pid]
    for {set i 0} {$i < $maxtries} {incr i} {
 	set newname $prefix
 	for {set j 0} {$j < $nrand_chars} {incr j} {
 	    append newname [string index $chars \
		    [expr {int(rand()*62)}]]
 	}
	set newname [file join $tmpdir $newname]
 	if {[file exists $newname]} {
 	    after 1
 	} else {
 	    if {[catch {open $newname $access $permission} channel]} {
 		if {!$checked_dir_writable} {
 		    set dirname [file dirname $newname]
 		    if {![file writable $dirname]} {
 			return -code error "Directory $dirname is not writable"
 		    }
 		    set checked_dir_writable 1
 		}
 	    } else {
 		# Success
		close $channel
 		return [file normalize $newname]
 	    }
 	}
    }
    if {$channel ne ""} {
 	return -code error "Failed to open a temporary file: $channel"
    } else {
 	return -code error "Failed to find an unused temporary file name"
    }
}

proc ::platform::shell::DIR {} {
    # This code is copied out of Tcllib's fileutil package.
    # (TempDir/tempdir)

		    return -code error $msg
		} else {
		    set Option($option) $msg
		}
		unset $varName
	    }
	    namespace eval [namespace current] \
	    	    [list upvar 0 Option($option) $varName]
	    # Workaround for Bug (now Feature Request) 572889.  Grrrr....
	    # Track all the variables tied to options
	    lappend OptionControlledVariables $varName
	    # Later, set auto-configure read traces on all
	    # of them, since a single trace on Option does not work.
	    proc $varName {{value {}}} [subst -nocommands {
		if {[llength [info level 0]] == 2} {

#			previously registered by a call to [customMatch].
#			The strings exact, glob, and regexp are preregistered
#			by the tcltest package.  Default value is exact.
#
# Arguments:
#   name -		Name of test, in the form foo-1.2.
#   description -	Short textual description of the test, to
#  		  	help humans understand what it does.
#
# Results:
#	None.
#
# Side effects:
#       Just about anything is possible depending on the test.
#

	    set errorFailure 1
	}
    }

    # check if the answer matched the expected answer
    # Only check if we ran the body of the test (no setup failure)
    if {!$processTest} {
    	set scriptFailure 0
    } elseif {$setupFailure || $codeFailure} {
	set scriptFailure 0
    } elseif {[set scriptCompare [catch {
	CompareStrings $actualAnswer $result $match
    } scriptMatch]] == 0} {
	set scriptFailure [expr {!$scriptMatch}]
    } else {

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

# Global variables used by these scripts:
#
# state -	state variable that controls action of text proc.
#
# topics -	array indexed by (package,section,topic) with value
# 		of topic ID.
#
# keywords -	array indexed by keyword string with value of topic ID.
#
# curID - 	current topic ID, starts at 0 and is incremented for
# 		each new topic file.
#
# curPkg -	current package name (e.g. Tcl).
#
# curSect -	current section title (e.g. "Tcl Built-In Commands").
#

# getPackages --

proc testcases2 { f2 } {

    listYears startOfYear

    # Define the roman numerals

    set roman {
 	? i ii iii iv v vi vii viii ix
	x xi xii xiii xiv xv xvi xvii xviii xix
	xx xxi xxii xxiii xxiv xxv xxvi xxvii xxviii xxix
	xxx xxxi xxxii xxxiii xxxiv xxxv xxxvi xxxvii xxxviii xxxix
	xl xli xlii xliii xliv xlv xlvi xlvii xlviii xlix
	l li lii liii liv lv lvi lvii lviii lix
	lx lxi lxii lxiii lxiv lxv lxvi lxvii lxviii lxix
	lxx lxxi lxxii lxxiii lxxiv lxxv lxxvi lxxvii lxxviii lxxix
	lxxx lxxxi lxxxii lxxxiii lxxxiv lxxxv lxxxvi lxxxvii lxxxviii lxxxix
	xc xci xcii xciii xciv xcv xcvi xcvii xcviii xcix
	c
    }
    set romanc {
 	? c cc ccc cd d dc dcc dccc cm
	m mc mcc mccc mcd md mdc mdcc mdccc mcm
	mm mmc mmcc mmccc mmcd mmd mmdc mmdcc mmdccc mmcm
	mmm mmmc mmmcc mmmccc mmmcd mmmd mmmdc mmmdcc mmmdccc mmmcm
    }

    # Names of the months

# tclOOScript.h --
#
# 	This file contains support scripts for TclOO. They are defined here so
# 	that the code can be definitely run even in safe interpreters; TclOO's
# 	core setup is safe.
#
# Copyright © 2012-2019 Donal K. Fellows
# Copyright © 2013 Andreas Kupries
# Copyright © 2017 Gerald Lester
#
# See the file "license.terms" for information on usage and redistribution of
# this file, and for a DISCLAIMER OF ALL WARRANTIES.

    wide()      mathfunc
    packagens   pkg::create
    pkgMkIndex  pkg_mkIndex
    pkg_mkIndex pkg_mkIndex
    Tcl_Obj     Tcl_NewObj
    Tcl_ObjType Tcl_RegisterObjType
    Tcl_OpenFileChannelProc Tcl_FSOpenFileChannel
    errorinfo 	env
    errorcode 	env
    tcl_pkgpath env
    Tcl_Command Tcl_CreateObjCommand
    Tcl_CmdProc Tcl_CreateObjCommand
    Tcl_CmdDeleteProc Tcl_CreateObjCommand
    Tcl_ObjCmdProc Tcl_CreateObjCommand
    Tcl_Channel Tcl_OpenFileChannel
    Tcl_WideInt Tcl_NewIntObj

#
# This file is a Makefile for Tcl. If it has the name "Makefile.in" then it is
# a template for a Makefile; to generate the actual Makefile, run
# "./configure", which is a configuration script generated by the "autoconf"
# program (constructs like "@foo@" will get replaced in the actual Makefile.

VERSION 		= @TCL_VERSION@
MAJOR_VERSION		= @TCL_MAJOR_VERSION@
MINOR_VERSION		= @TCL_MINOR_VERSION@
PATCH_LEVEL		= @TCL_PATCH_LEVEL@

#--------------------------------------------------------------------------
# Things you can change to personalize the Makefile for your own site (you can
# make these changes in either Makefile.in or Makefile, but changes to

		# AIX requires the _r compiler when gcc isn't being used
		case "${CC}" in
		    *_r|*_r\ *)
			# ok ...
			;;
		    *)
			# Make sure only first arg gets _r
		    	CC=`echo "$CC" | sed -e 's/^\([^ ]*\)/\1_r/'`
			;;
		esac
		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: Using $CC for compiling with threads" >&5
printf "%s\n" "Using $CC for compiling with threads" >&6; }

fi
	    LIBS="$LIBS -lc"

	#include <sys/types.h>
	#include <sys/socket.h>

int
main (void)
{

    	socklen_t foo;

  ;
  return 0;
}
_ACEOF
if ac_fn_c_try_compile "$LINENO"
then :

AC_TYPE_UID_T

AC_CACHE_CHECK([for socklen_t], tcl_cv_type_socklen_t, [
    AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
	#include <sys/types.h>
	#include <sys/socket.h>
    ]], [[
    	socklen_t foo;
    ]])],[tcl_cv_type_socklen_t=yes],[tcl_cv_type_socklen_t=no])])
if test $tcl_cv_type_socklen_t = no; then
    AC_DEFINE(socklen_t, int, [Define as int if socklen_t is not available])
fi

AC_CHECK_TYPES([intptr_t, uintptr_t],,,[[
#include <stdint.h>

	printf("Tcl_FindExecutable gives version %s\n", version);
    }
    if (tclStubsPtr == NULL) {
	printf("ERROR: Tcl_FindExecutable does not initialize the stub table\n");
	exitcode = 1;
    }
    if (!exitcode) {
    	printf("All OK!\n");
    }
    return exitcode;
}

		# AIX requires the _r compiler when gcc isn't being used
		case "${CC}" in
		    *_r|*_r\ *)
			# ok ...
			;;
		    *)
			# Make sure only first arg gets _r
		    	CC=`echo "$CC" | sed -e 's/^\([[^ ]]*\)/\1_r/'`
			;;
		esac
		AC_MSG_RESULT([Using $CC for compiling with threads])
	    ])
	    LIBS="$LIBS -lc"
	    SHLIB_CFLAGS=""
	    SHLIB_SUFFIX=".so"

 *
 *	Signal handler for the alarm command.
 *
 * Results:
 *	None.
 *
 * Side effects:
 * 	Calls the Tcl Async handler.
 *
 *----------------------------------------------------------------------
 */

static void
AlarmHandler(
    TCL_UNUSED(int) /*signum*/)
{
    gotsig = "1";
}

/*
 *----------------------------------------------------------------------
 *
 * TestgotsigCmd --
 *
 * 	Verify the signal was handled after the testalarm command.
 *
 * Results:
 *	None.
 *
 * Side Effects:
 *	Resets the value of gotsig back to '0'.
 *

# The default switches for optimization or debugging
CFLAGS_DEBUG    = @CFLAGS_DEBUG@
CFLAGS_OPTIMIZE	= @CFLAGS_OPTIMIZE@

# To change the compiler switches, for example to change from optimization to
# debugging symbols, change the following line:
#CFLAGS = 		$(CFLAGS_DEBUG)
#CFLAGS = 		$(CFLAGS_OPTIMIZE)
#CFLAGS = 		$(CFLAGS_DEBUG) $(CFLAGS_OPTIMIZE)
CFLAGS = 		@CFLAGS@ @CFLAGS_DEFAULT@ -DMP_FIXED_CUTOFFS -D__USE_MINGW_ANSI_STDIO=0

# To compile without backward compatibility and deprecated code uncomment the
# following
NO_DEPRECATED_FLAGS	=
#NO_DEPRECATED_FLAGS	= -DTCL_NO_DEPRECATED

# To enable compilation debugging reverse the comment characters on one of the

			  package ifneeded dde 1.4.5 [list load ${DDE_DLL_FILE}];\
			  package ifneeded registry 1.3.7 [list load ${REG_DLL_FILE}]
TEST_LOAD_FACILITIES	= package ifneeded tcl::test ${VERSION}@TCL_PATCH_LEVEL@ [list load ${TEST_DLL_FILE} Tcltest];\
			  $(TEST_LOAD_PRMS)
ZLIB_DLL_FILE		= zlib1.dll
TOMMATH_DLL_FILE	= libtommath.dll

SHARED_LIBRARIES 	= $(TCL_DLL_FILE) @ZLIB_DLL_FILE@ @TOMMATH_DLL_FILE@
STATIC_LIBRARIES	= $(TCL_LIB_FILE)

TCLSH			= tclsh$(VER)${EXESUFFIX}
WINE			= @WINE@
CAT32			= cat32$(EXEEXT)

# For cross-compiled builds, TCL_EXE is the name of a tclsh executable that is

#
# Basic macros and options usable on the commandline (see rules.vc for more info):
#	OPTS=nomsvcrt,noembed,nothreads,pdbs,profile,static,symbols,thrdalloc,unchecked,none
#		Sets special options for the core.  The default is for none.
#		Any combination of the above may be used (comma separated).
#		'none' will over-ride everything to nothing.
#
# 		noembed   = Without this option, the Tcl core library scripts
#			    are embedded into the executable if "static" is
#			    specified in OPTS, or into the DLL otherwise. If
#			    "noembed" is specified, the scripts are not embedded
#			    but copied to the installation target (as in 8.6).
#		nomsvcrt  = Affects the static option only to switch it from
#			    using msvcrt(d) as the C runtime [by default] to
#			    libcmt(d). This is useful for static embedding

!if $(TK_MAJOR_VERSION) == 8
TKSTUBLIBNAME	= tkstub$(TK_VERSION).lib
!else
TKSTUBLIBNAME	= tkstub.lib
!endif

!if $(DOING_TK)
WISH 		= $(OUT_DIR)\$(WISHNAME)
TKSTUBLIB	= $(OUT_DIR)\$(TKSTUBLIBNAME)
TKIMPLIB	= $(OUT_DIR)\$(TKIMPLIBNAME)
TKLIB		= $(OUT_DIR)\$(TKLIBNAME)
TK_INCLUDES     = -I"$(WIN_DIR)" -I"$(GENERICDIR)"
TKSCRIPTZIP     = $(OUT_DIR)\$(TKSCRIPTZIPNAME)

!else # effectively NEED_TK

#define SUFFIX		    SUFFIX_DEBUG


LANGUAGE 0x9, 0x1	/* LANG_ENGLISH, SUBLANG_DEFAULT */

VS_VERSION_INFO VERSIONINFO
 FILEVERSION 	TCL_MAJOR_VERSION,TCL_MINOR_VERSION,TCL_RELEASE_LEVEL,TCL_RELEASE_SERIAL
 PRODUCTVERSION TCL_MAJOR_VERSION,TCL_MINOR_VERSION,TCL_RELEASE_LEVEL,TCL_RELEASE_SERIAL
 FILEFLAGSMASK 	0x3fL
#ifdef DEBUG
 FILEFLAGS 	VS_FF_DEBUG
#else
 FILEFLAGS 	0x0L
#endif
 FILEOS 	VOS__WINDOWS32
 FILETYPE 	VFT_DLL
 FILESUBTYPE 	0x0L
BEGIN
    BLOCK "StringFileInfo"
    BEGIN
        BLOCK "040904b0" /* LANG_ENGLISH/SUBLANG_ENGLISH_US, Unicode CP */
        BEGIN
            VALUE "FileDescription", "Tcl DLL\0"
            VALUE "OriginalFilename", "tcl" STRINGIFY(TCL_MAJOR_VERSION) STRINGIFY(TCL_MINOR_VERSION) SUFFIX ".dll\0"

#define SUFFIX		    SUFFIX_STATIC SUFFIX_DEBUG


LANGUAGE 0x9, 0x1	/* LANG_ENGLISH, SUBLANG_DEFAULT */

VS_VERSION_INFO VERSIONINFO
 FILEVERSION 	TCL_MAJOR_VERSION,TCL_MINOR_VERSION,TCL_RELEASE_LEVEL,TCL_RELEASE_SERIAL
 PRODUCTVERSION TCL_MAJOR_VERSION,TCL_MINOR_VERSION,TCL_RELEASE_LEVEL,TCL_RELEASE_SERIAL
 FILEFLAGSMASK 	0x3fL
#ifdef DEBUG
 FILEFLAGS 	VS_FF_DEBUG
#else
 FILEFLAGS 	0x0L
#endif
 FILEOS 	VOS__WINDOWS32
 FILETYPE 	VFT_APP
 FILESUBTYPE 	0x0L
BEGIN
    BLOCK "StringFileInfo"
    BEGIN
        BLOCK "040904b0"
        BEGIN
            VALUE "FileDescription", "Tclsh Application\0"
            VALUE "OriginalFilename", "tclsh" STRINGIFY(TCL_MAJOR_VERSION) STRINGIFY(TCL_MINOR_VERSION) SUFFIX ".exe\0"

#define SUFFIX		    SUFFIX_STATIC SUFFIX_DEBUG


LANGUAGE 0x9, 0x1	/* LANG_ENGLISH, SUBLANG_DEFAULT */

VS_VERSION_INFO VERSIONINFO
 FILEVERSION 	TCL_MAJOR_VERSION,TCL_MINOR_VERSION,TCL_RELEASE_LEVEL,TCL_RELEASE_SERIAL
 PRODUCTVERSION TCL_MAJOR_VERSION,TCL_MINOR_VERSION,TCL_RELEASE_LEVEL,TCL_RELEASE_SERIAL
 FILEFLAGSMASK 	0x3fL
#ifdef DEBUG
 FILEFLAGS 	VS_FF_DEBUG
#else
 FILEFLAGS 	0x0L
#endif
 FILEOS 	VOS__WINDOWS32
 FILETYPE 	VFT_APP
 FILESUBTYPE 	0x0L
BEGIN
    BLOCK "StringFileInfo"
    BEGIN
        BLOCK "040904b0"
        BEGIN
            VALUE "FileDescription", "Tcltest Application\0"
            VALUE "OriginalFilename", "tcltest" STRINGIFY(TCL_MAJOR_VERSION) STRINGIFY(TCL_MINOR_VERSION) SUFFIX ".exe\0"