unsigned int bad;		/* Index of the character that is a nonbyte.
				 * If all characters are bytes, bad = used,
				 * though then we should never read it. */
    unsigned int used;		/* The number of bytes used in the byte
				 * array. */
    unsigned int allocated;	/* The amount of space actually allocated
				 * minus 1 byte. */
    unsigned char bytes[TCLFLEXARRAY];	/* The array of bytes. The actual size of this
				 * field depends on the 'allocated' field
				 * above. */
} ByteArray;

#define BYTEARRAY_SIZE(len) \
		(offsetof(ByteArray, bytes) + (len))
#define GET_BYTEARRAY(irPtr) ((ByteArray *) (irPtr)->twoPtrValue.ptr1)

 * only foreach commands inside procedure bodies are compiled inline so a
 * ForeachVarList structure always describes local variables. Furthermore,
 * only scalar variables are supported for inline-compiled foreach loops.
 */

typedef struct ForeachVarList {
    int numVars;		/* The number of variables in the list. */
    int varIndexes[TCLFLEXARRAY];/* An array of the indexes ("slot numbers")
				 * for each variable in the procedure's array
				 * of local variables. Only scalar variables
				 * are supported. The actual size of this
				 * field will be large enough to numVars
				 * indexes. THIS MUST BE THE LAST FIELD IN THE
				 * STRUCTURE! */
} ForeachVarList;

				 * lists of the foreach command. */
    int firstValueTemp;		/* Index of the first temp var in a proc frame
				 * used to point to a value list. */
    int loopCtTemp;		/* Index of temp var in a proc frame holding
				 * the loop's iteration count. Used to
				 * determine next value list element to assign
				 * each loop var. */
    ForeachVarList *varLists[TCLFLEXARRAY];/* An array of pointers to ForeachVarList
				 * structures describing each var list. The
				 * actual size of this field will be large
				 * enough to numVars indexes. THIS MUST BE THE
				 * LAST FIELD IN THE STRUCTURE! */
} ForeachInfo;

/*

 * Structure used to hold information about a [dict update] command that is
 * needed during program execution. These structures are stored in CompileEnv
 * and ByteCode structures as auxiliary data.
 */

typedef struct {
    int length;			/* Size of array */
    int varIndices[TCLFLEXARRAY];		/* Array of variable indices to manage when
				 * processing the start and end of a [dict
				 * update]. There is really more than one
				 * entry, and the structure is allocated to
				 * take account of this. MUST BE LAST FIELD IN
				 * STRUCTURE. */
} DictUpdateInfo;

				 * conversion. */
    char prefixBytes[256];	/* If a byte in the input stream is the first
				 * character of one of the escape sequences in
				 * the following array, the corresponding
				 * entry in this array is 1, otherwise it is
				 * 0. */
    int numSubTables;		/* Length of following array. */
    EscapeSubTable subTables[TCLFLEXARRAY];/* Information about each EscapeSubTable used
				 * by this encoding type. The actual size is
				 * as large as necessary to hold all
				 * EscapeSubTables. */
} EscapeEncodingData;

/*
 * Constants used when loading an encoding file to identify the type of the

    int nextAdded;		/* The next position into which a character
				 * will be put in the buffer. */
    int nextRemoved;		/* Position of next byte to be removed from
				 * the buffer. */
    int bufLength;		/* How big is the buffer? */
    struct ChannelBuffer *nextPtr;
    				/* Next buffer in chain. */
    char buf[TCLFLEXARRAY];		/* Placeholder for real buffer. The real
				 * buffer occuppies this space + bufSize-1
				 * bytes. This must be the last field in the
				 * structure. */
} ChannelBuffer;

#define CHANNELBUFFER_HEADER_SIZE	offsetof(ChannelBuffer, buf)

/*
 *----------------------------------------------------------------
 * Data structures related to procedures. These are used primarily in
 * tclProc.c, tclCompile.c, and tclExecute.c.
 *----------------------------------------------------------------
 */

#if defined(__GNUC__) && (__GNUC__ > 2)
#   define TCLFLEXARRAY 0
#else
#   define TCLFLEXARRAY 1
#endif

/*
 * Forward declaration to prevent an error when the forward reference to
 * Command is encountered in the Proc and ImportRef types declared below.
 */

struct Command;

    Tcl_ResolvedVarInfo *resolveInfo;
				/* Customized variable resolution info
				 * supplied by the Tcl_ResolveCompiledVarProc
				 * associated with a namespace. Each variable
				 * is marked by a unique tag during
				 * compilation, and that same tag is used to
				 * find the variable at runtime. */
    char name[TCLFLEXARRAY];		/* Name of the local variable starts here. If
				 * the name is NULL, this will just be '\0'.
				 * The actual size of this field will be large
				 * enough to hold the name. MUST BE THE LAST
				 * FIELD IN THE STRUCTURE! */
} CompiledLocal;

/*

 */

#define CLL_END		(-1)

typedef struct ContLineLoc {
    int num;			/* Number of entries in loc, not counting the
				 * final -1 marker entry. */
    int loc[TCLFLEXARRAY];/* Table of locations, as character offsets.
				 * The table is allocated as part of the
				 * structure, extending behind the nominal end
				 * of the structure. An entry containing the
				 * value -1 is put after the last location, as
				 * end-marker/sentinel. */
} ContLineLoc;

 * These are separated out so that some semantic content is attached
 * to them.
 */
#define ObjDeletionLock(contextPtr)	((contextPtr)->deletionCount++)
#define ObjDeletionUnlock(contextPtr)	((contextPtr)->deletionCount--)
#define ObjDeletePending(contextPtr)	((contextPtr)->deletionCount > 0)
#define ObjOnStack(contextPtr)		((contextPtr)->deletionStack != NULL)
#define PushObjToDelete(contextPtr,objPtr)                              \
    /* The string rep is already invalidated so we can use the bytes value \
     * for our pointer chain: push onto the head of the stack. */       \
    (objPtr)->bytes = (char *) ((contextPtr)->deletionStack);           \
    (contextPtr)->deletionStack = (objPtr)
#define PopObjToDelete(contextPtr,objPtrVar)                            \
    (objPtrVar) = (contextPtr)->deletionStack;                          \
    (contextPtr)->deletionStack = (Tcl_Obj *) (objPtrVar)->bytes

/*
 * Macro to set up the local reference to the deletion context.
 */
#if !TCL_THREADS
static PendingObjData pendingObjData;
#define ObjInitDeletionContext(contextPtr) \
    PendingObjData *const contextPtr = &pendingObjData
#elif HAVE_FAST_TSD
static __thread PendingObjData pendingObjData;
#define ObjInitDeletionContext(contextPtr) \
    PendingObjData *const contextPtr = &pendingObjData
#else
static Tcl_ThreadDataKey pendingObjDataKey;
#define ObjInitDeletionContext(contextPtr) \
    PendingObjData *const contextPtr =     \
	    (PendingObjData *)Tcl_GetThreadData(&pendingObjDataKey, sizeof(PendingObjData))
#endif

/*
 * Macros to pack/unpack a bignum's fields in a Tcl_Obj internal rep
 */

#define PACK_BIGNUM(bignum, objPtr) \
    if ((bignum).used > 0x7FFF) {                                   \
	mp_int *temp = (mp_int *)ckalloc(sizeof(mp_int));               \
	*temp = bignum;                                                 \
	(objPtr)->internalRep.twoPtrValue.ptr1 = temp;                  \
	(objPtr)->internalRep.twoPtrValue.ptr2 = INT2PTR(-1);           \
    } else if (((bignum).alloc <= 0x7FFF) || (mp_shrink(&(bignum))) == MP_OKAY) { \
	(objPtr)->internalRep.twoPtrValue.ptr1 = (void *)(bignum).dp;   \
	(objPtr)->internalRep.twoPtrValue.ptr2 = INT2PTR(((bignum).sign << 30) \
		| ((bignum).alloc << 15) | ((bignum).used));                \
    }

/*
 * Prototypes for functions defined later in this file:
 */

static int		ParseBoolean(Tcl_Obj *objPtr);

    int num,
    int *loc)
{
    int newEntry;
    ThreadSpecificData *tsdPtr = TclGetContLineTable();
    Tcl_HashEntry *hPtr =
	    Tcl_CreateHashEntry(tsdPtr->lineCLPtr, objPtr, &newEntry);
    ContLineLoc *clLocPtr = (ContLineLoc *)ckalloc(offsetof(ContLineLoc, loc) + (num + 1) *sizeof(int));

    if (!newEntry) {
	/*
	 * We're entering ContLineLoc data for the same value more than one
	 * time. Taking care not to leak the old entry.
	 *
	 * This can happen when literals in a proc body are shared. See for

	    localPtr = localPtr->nextPtr;
	} else {
	    /*
	     * Allocate an entry in the runtime procedure frame's array of
	     * local variables for the argument.
	     */

	    localPtr = (CompiledLocal *)ckalloc(
		    offsetof(CompiledLocal, name) + fieldValues[0]->length + 1);
	    if (procPtr->firstLocalPtr == NULL) {
		procPtr->firstLocalPtr = procPtr->lastLocalPtr = localPtr;
	    } else {
		procPtr->lastLocalPtr->nextPtr = localPtr;
		procPtr->lastLocalPtr = localPtr;
	    }
	    localPtr->nextPtr = NULL;

    /*
     * Cache the names and initial values of local variables; store the
     * cache in both the framePtr for this execution and in the codePtr
     * for future calls.
     */

    localCachePtr = (LocalCache *)ckalloc(offsetof(LocalCache, varName0)
	    + localCt * sizeof(Tcl_Obj *)
	    + numArgs * sizeof(Var));

    namePtr = &localCachePtr->varName0;
    varPtr = (Var *) (namePtr + localCt);
    localPtr = procPtr->firstLocalPtr;
    while (localPtr) {
	if (TclIsVarTemporary(localPtr)) {

    int allocated;		/* The amount of space actually allocated for
				 * the UTF string (minus 1 byte for the
				 * termination char). */
    int maxChars;		/* Max number of chars that can fit in the
				 * space allocated for the unicode array. */
    int hasUnicode;		/* Boolean determining whether the string has
				 * a Unicode representation. */
    Tcl_UniChar unicode[TCLFLEXARRAY];	/* The array of Unicode chars. The actual size
				 * of this field depends on the 'maxChars'
				 * field above. */
} String;

#define STRING_MAXCHARS \
    (int)(((size_t)UINT_MAX - 1 - offsetof(String, unicode))/sizeof(Tcl_UniChar))
#define STRING_SIZE(numChars) \

${TEST_DLL_FILE}: ${TCL_STUB_LIB_FILE} ${TCLTEST_OBJS}
	@$(RM) ${TEST_DLL_FILE} ${TEST_LIB_FILE}
	@MAKE_DLL@ ${TCLTEST_OBJS} $(TCL_STUB_LIB_FILE) $(SHLIB_LD_LIBS)
	$(COPY) tclsh.exe.manifest ${TEST_DLL_FILE}.manifest

${TEST_EXE_FILE}: ${TCL_STUB_LIB_FILE} ${TCLTEST_OBJS} tclTestMain.${OBJEXT}
	@$(RM) ${TEST_EXE_FILE}
	@$(RM) $(ROOT_DIR_NATIVE)/tests/safe-stock86.test
	$(CC) $(CFLAGS) $(TCLTEST_OBJS) tclTestMain.$(OBJEXT) $(TCL_LIB_FILE) $(TCL_STUB_LIB_FILE) $(LIBS) \
        tclsh.$(RES) $(CC_EXENAME) $(LDFLAGS_CONSOLE)
	$(COPY) tclsh.exe.manifest ${TEST_EXE_FILE}.manifest

# use pre-built zlib1.dll
${ZLIB_DLL_FILE}: ${TCL_STUB_LIB_FILE}
	@if test "@ZLIB_LIBS@set" != "${ZLIB_DIR_NATIVE}/win32/zdll.libset" ; then \