summaryrefslogtreecommitdiffstats
path: root/generic/tcl.h
blob: fb5fc94e71ad72dffda523a34ef531126efb49e3 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
/*
 * tcl.h --
 *
 *	This header file describes the externally-visible facilities
 *	of the Tcl interpreter.
 *
 * Copyright (c) 1987-1994 The Regents of the University of California.
 * Copyright (c) 1994-1997 Sun Microsystems, Inc.
 * Copyright (c) 1993-1996 Lucent Technologies.
 *
 * See the file "license.terms" for information on usage and redistribution
 * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
 *
 * SCCS: %Z% $Id: tcl.h,v 1.12 1998/07/21 15:25:42 escoffon Exp $ 
 */

#ifndef _TCL
#define _TCL

/*
 * When version numbers change here, must also go into the following files
 * and update the version numbers:
 *
 * README
 * library/init.tcl	(only if major.minor changes, not patchlevel)
 * unix/configure.in
 * win/makefile.bc	(only if major.minor changes, not patchlevel)
 * win/makefile.vc	(only if major.minor changes, not patchlevel)
 *
 * The release level should be  0 for alpha, 1 for beta, and 2 for
 * final/patch.  The release serial value is the number that follows the
 * "a", "b", or "p" in the patch level; for example, if the patch level
 * is 7.6b2, TCL_RELEASE_SERIAL is 2.  It restarts at 1 whenever the
 * release level is changed, except for the final release which is 0
 * (the first patch will start at 1).
 */

#define TCL_MAJOR_VERSION   8
#define TCL_MINOR_VERSION   0
#define TCL_RELEASE_LEVEL   2
#define TCL_RELEASE_SERIAL  3

#define TCL_VERSION	    "8.0"
#define TCL_PATCH_LEVEL	    "8.0.3-3"

/*
 * The following definitions set up the proper options for Windows
 * compilers.  We use this method because there is no autoconf equivalent.
 */

#ifndef __WIN32__
#   if defined(_WIN32) || defined(WIN32)
#	define __WIN32__
#   endif
#endif

#ifdef __WIN32__
#   ifndef STRICT
#	define STRICT
#   endif
#   ifndef USE_PROTOTYPE
#	define USE_PROTOTYPE 1
#   endif
#   ifndef HAS_STDARG
#	define HAS_STDARG 1
#   endif
#   ifndef USE_PROTOTYPE
#	define USE_PROTOTYPE 1
#   endif
#   ifndef USE_TCLALLOC
#	define USE_TCLALLOC 1
#   endif
#endif /* __WIN32__ */

/*
 * The following definitions set up the proper options for Macintosh
 * compilers.  We use this method because there is no autoconf equivalent.
 */

#ifdef MAC_TCL
#   ifndef HAS_STDARG
#	define HAS_STDARG 1
#   endif
#   ifndef USE_TCLALLOC
#	define USE_TCLALLOC 1
#   endif
#   ifndef NO_STRERROR
#	define NO_STRERROR 1
#   endif
#endif

/*
 * Utility macros: STRINGIFY takes an argument and wraps it in "" (double
 * quotation marks), JOIN joins two arguments.
 */

#define VERBATIM(x) x
#ifdef _MSC_VER
# define STRINGIFY(x) STRINGIFY1(x)
# define STRINGIFY1(x) #x
# define JOIN(a,b) JOIN1(a,b)
# define JOIN1(a,b) a##b
#else
# ifdef RESOURCE_INCLUDED
#  define STRINGIFY(x) STRINGIFY1(x)
#  define STRINGIFY1(x) #x
#  define JOIN(a,b) JOIN1(a,b)
#  define JOIN1(a,b) a##b
# else
#  ifdef __STDC__
#   define STRINGIFY(x) #x
#   define JOIN(a,b) a##b
#  else
#   define STRINGIFY(x) "x"
#   define JOIN(a,b) VERBATIM(a)VERBATIM(b)
#  endif
# endif
#endif

/* 
 * A special definition used to allow this header file to be included 
 * in resource files so that they can get obtain version information from
 * this file.  Resource compilers don't like all the C stuff, like typedefs
 * and procedure declarations, that occur below.
 */

#ifndef RESOURCE_INCLUDED

#ifndef BUFSIZ
#include <stdio.h>
#endif

/*
 * Definitions that allow Tcl functions with variable numbers of
 * arguments to be used with either varargs.h or stdarg.h.  TCL_VARARGS
 * is used in procedure prototypes.  TCL_VARARGS_DEF is used to declare
 * the arguments in a function definiton: it takes the type and name of
 * the first argument and supplies the appropriate argument declaration
 * string for use in the function definition.  TCL_VARARGS_START
 * initializes the va_list data structure and returns the first argument.
 */

#if defined(__STDC__) || defined(HAS_STDARG)
#   define TCL_VARARGS(type, name) (type name, ...)
#   define TCL_VARARGS_DEF(type, name) (type name, ...)
#   define TCL_VARARGS_START(type, name, list) (va_start(list, name), name)
#else
#   ifdef __cplusplus
#	define TCL_VARARGS(type, name) (type name, ...)
#	define TCL_VARARGS_DEF(type, name) (type va_alist, ...)
#   else
#	define TCL_VARARGS(type, name) ()
#	define TCL_VARARGS_DEF(type, name) (va_alist)
#   endif
#   define TCL_VARARGS_START(type, name, list) \
	(va_start(list), va_arg(list, type))
#endif

/*
 * Definitions that allow this header file to be used either with or
 * without ANSI C features like function prototypes.
 */

#undef _ANSI_ARGS_
#undef CONST

#if ((defined(__STDC__) || defined(SABER)) && !defined(NO_PROTOTYPE)) || defined(__cplusplus) || defined(USE_PROTOTYPE)
#   define _USING_PROTOTYPES_ 1
#   define _ANSI_ARGS_(x)	x
#   define CONST const
#else
#   define _ANSI_ARGS_(x)	()
#   define CONST
#endif

#ifdef __cplusplus
#   define EXTERN extern "C"
#else
#   define EXTERN extern
#endif

/*
 * Macro to use instead of "void" for arguments that must have
 * type "void *" in ANSI C;  maps them to type "char *" in
 * non-ANSI systems.
 */
#ifndef __WIN32__
#ifndef VOID
#   ifdef __STDC__
#       define VOID void
#   else
#       define VOID char
#   endif
#endif
#else /* __WIN32__ */
/*
 * The following code is copied from winnt.h
 */
#ifndef VOID
#define VOID void
typedef char CHAR;
typedef short SHORT;
typedef long LONG;
#endif
#endif /* __WIN32__ */

/*
 * Macro used to declare a function to be exported by a DLL.
 * Used by windows, maps to a simple declaration on non-windows systems
 */
#ifdef __WIN32__
# ifdef STATIC_BUILD
#  define EXPORT(a,b) a b
# else
#  if defined(_MSC_VER)
#   define EXPORT(a,b) __declspec(dllexport) a b
#  else
#   if defined(__BORLANDC__)
#	 define EXPORT(a,b) a _export b
#   else
#	 define EXPORT(a,b) a b
#   endif
#  endif
# endif
#else
#   define EXPORT(a,b) a b
#endif

/*
 * Miscellaneous declarations.
 */

#ifndef NULL
#define NULL 0
#endif

#ifndef _CLIENTDATA
#   if defined(__STDC__) || defined(__cplusplus)
    typedef void *ClientData;
#   else
    typedef int *ClientData;
#   endif /* __STDC__ */
#define _CLIENTDATA
#endif

/*
 * Data structures defined opaquely in this module. The definitions below
 * just provide dummy types. A few fields are made visible in Tcl_Interp
 * structures, namely those used for returning a string result from
 * commands. Direct access to the result field is discouraged in Tcl 8.0.
 * The interpreter result is either an object or a string, and the two
 * values are kept consistent unless some C code sets interp->result
 * directly. Programmers should use either the procedure Tcl_GetObjResult()
 * or Tcl_GetStringResult() to read the interpreter's result. See the
 * SetResult man page for details.
 * 
 * Note: any change to the Tcl_Interp definition below must be mirrored
 * in the "real" definition in tclInt.h.
 *
 * Note: Tcl_ObjCmdProc procedures do not directly set result and freeProc.
 * Instead, they set a Tcl_Obj member in the "real" structure that can be
 * accessed with Tcl_GetObjResult() and Tcl_SetObjResult().
 */

typedef struct Tcl_Interp {
    char *result;		/* If the last command returned a string
				 * result, this points to it. */
    void (*freeProc) _ANSI_ARGS_((char *blockPtr));
				/* Zero means the string result is
				 * statically allocated. TCL_DYNAMIC means
				 * it was allocated with ckalloc and should
				 * be freed with ckfree. Other values give
				 * the address of procedure to invoke to
				 * free the result. Tcl_Eval must free it
				 * before executing next command. */
    int errorLine;              /* When TCL_ERROR is returned, this gives
                                 * the line number within the command where
                                 * the error occurred (1 if first line). */
} Tcl_Interp;

typedef struct Tcl_AsyncHandler_ *Tcl_AsyncHandler;
typedef struct Tcl_Channel_ *Tcl_Channel;
typedef struct Tcl_Command_ *Tcl_Command;
typedef struct Tcl_Event Tcl_Event;
typedef struct Tcl_Pid_ *Tcl_Pid;
typedef struct Tcl_RegExp_ *Tcl_RegExp;
typedef struct Tcl_TimerToken_ *Tcl_TimerToken;
typedef struct Tcl_Trace_ *Tcl_Trace;
typedef struct Tcl_Var_ *Tcl_Var;

/*
 * When a TCL command returns, the interpreter contains a result from the
 * command. Programmers are strongly encouraged to use one of the
 * procedures Tcl_GetObjResult() or Tcl_GetStringResult() to read the
 * interpreter's result. See the SetResult man page for details. Besides
 * this result, the command procedure returns an integer code, which is 
 * one of the following:
 *
 * TCL_OK		Command completed normally; the interpreter's
 *			result contains	the command's result.
 * TCL_ERROR		The command couldn't be completed successfully;
 *			the interpreter's result describes what went wrong.
 * TCL_RETURN		The command requests that the current procedure
 *			return; the interpreter's result contains the
 *			procedure's return value.
 * TCL_BREAK		The command requests that the innermost loop
 *			be exited; the interpreter's result is meaningless.
 * TCL_CONTINUE		Go on to the next iteration of the current loop;
 *			the interpreter's result is meaningless.
 */

#define TCL_OK		0
#define TCL_ERROR	1
#define TCL_RETURN	2
#define TCL_BREAK	3
#define TCL_CONTINUE	4

#define TCL_RESULT_SIZE 200

/*
 * Argument descriptors for math function callbacks in expressions:
 */

typedef enum {TCL_INT, TCL_DOUBLE, TCL_EITHER} Tcl_ValueType;
typedef struct Tcl_Value {
    Tcl_ValueType type;		/* Indicates intValue or doubleValue is
				 * valid, or both. */
    long intValue;		/* Integer value. */
    double doubleValue;		/* Double-precision floating value. */
} Tcl_Value;

/*
 * Forward declaration of Tcl_Obj to prevent an error when the forward
 * reference to Tcl_Obj is encountered in the procedure types declared 
 * below.
 */

struct Tcl_Obj;

/*
 * Procedure types defined by Tcl:
 */

typedef int (Tcl_AppInitProc) _ANSI_ARGS_((Tcl_Interp *interp));
typedef int (Tcl_AsyncProc) _ANSI_ARGS_((ClientData clientData,
	Tcl_Interp *interp, int code));
typedef void (Tcl_ChannelProc) _ANSI_ARGS_((ClientData clientData, int mask));
typedef void (Tcl_CloseProc) _ANSI_ARGS_((ClientData data));
typedef void (Tcl_CmdDeleteProc) _ANSI_ARGS_((ClientData clientData));
typedef int (Tcl_CmdProc) _ANSI_ARGS_((ClientData clientData,
	Tcl_Interp *interp, int argc, char *argv[]));
typedef void (Tcl_CmdTraceProc) _ANSI_ARGS_((ClientData clientData,
	Tcl_Interp *interp, int level, char *command, Tcl_CmdProc *proc,
	ClientData cmdClientData, int argc, char *argv[]));
typedef void (Tcl_DupInternalRepProc) _ANSI_ARGS_((struct Tcl_Obj *srcPtr, 
        struct Tcl_Obj *dupPtr));
typedef int (Tcl_EventProc) _ANSI_ARGS_((Tcl_Event *evPtr, int flags));
typedef void (Tcl_EventCheckProc) _ANSI_ARGS_((ClientData clientData,
	int flags));
typedef int (Tcl_EventDeleteProc) _ANSI_ARGS_((Tcl_Event *evPtr,
        ClientData clientData));
typedef void (Tcl_EventSetupProc) _ANSI_ARGS_((ClientData clientData,
	int flags));
typedef void (Tcl_ExitProc) _ANSI_ARGS_((ClientData clientData));
typedef void (Tcl_FileProc) _ANSI_ARGS_((ClientData clientData, int mask));
typedef void (Tcl_FileFreeProc) _ANSI_ARGS_((ClientData clientData));
typedef void (Tcl_FreeInternalRepProc) _ANSI_ARGS_((struct Tcl_Obj *objPtr));
typedef void (Tcl_FreeProc) _ANSI_ARGS_((char *blockPtr));
typedef void (Tcl_IdleProc) _ANSI_ARGS_((ClientData clientData));
typedef void (Tcl_InterpDeleteProc) _ANSI_ARGS_((ClientData clientData,
	Tcl_Interp *interp));
typedef int (Tcl_MathProc) _ANSI_ARGS_((ClientData clientData,
	Tcl_Interp *interp, Tcl_Value *args, Tcl_Value *resultPtr));
typedef void (Tcl_NamespaceDeleteProc) _ANSI_ARGS_((ClientData clientData));
typedef int (Tcl_ObjCmdProc) _ANSI_ARGS_((ClientData clientData,
	Tcl_Interp *interp, int objc, struct Tcl_Obj * CONST objv[]));
typedef int (Tcl_PackageInitProc) _ANSI_ARGS_((Tcl_Interp *interp));
typedef void (Tcl_TcpAcceptProc) _ANSI_ARGS_((ClientData callbackData,
        Tcl_Channel chan, char *address, int port));
typedef void (Tcl_TimerProc) _ANSI_ARGS_((ClientData clientData));
typedef int (Tcl_SetFromAnyProc) _ANSI_ARGS_((Tcl_Interp *interp,
	struct Tcl_Obj *objPtr));
typedef void (Tcl_UpdateStringProc) _ANSI_ARGS_((struct Tcl_Obj *objPtr));
typedef char *(Tcl_VarTraceProc) _ANSI_ARGS_((ClientData clientData,
	Tcl_Interp *interp, char *part1, char *part2, int flags));

/*
 * The following structure represents a type of object, which is a
 * particular internal representation for an object plus a set of
 * procedures that provide standard operations on objects of that type.
 */

typedef struct Tcl_ObjType {
    char *name;			/* Name of the type, e.g. "int". */
    Tcl_FreeInternalRepProc *freeIntRepProc;
				/* Called to free any storage for the type's
				 * internal rep. NULL if the internal rep
				 * does not need freeing. */
    Tcl_DupInternalRepProc *dupIntRepProc;
    				/* Called to create a new object as a copy
				 * of an existing object. */
    Tcl_UpdateStringProc *updateStringProc;
    				/* Called to update the string rep from the
				 * type's internal representation. */
    Tcl_SetFromAnyProc *setFromAnyProc;
    				/* Called to convert the object's internal
				 * rep to this type. Frees the internal rep
				 * of the old type. Returns TCL_ERROR on
				 * failure. */
} Tcl_ObjType;

/*
 * One of the following structures exists for each object in the Tcl
 * system. An object stores a value as either a string, some internal
 * representation, or both.
 */

typedef struct Tcl_Obj {
    int refCount;		/* When 0 the object will be freed. */
    char *bytes;		/* This points to the first byte of the
				 * object's string representation. The array
				 * must be followed by a null byte (i.e., at
				 * offset length) but may also contain
				 * embedded null characters. The array's
				 * storage is allocated by ckalloc. NULL
				 * means the string rep is invalid and must
				 * be regenerated from the internal rep.
				 * Clients should use Tcl_GetStringFromObj
				 * to get a pointer to the byte array as a
				 * readonly value. */
    int length;			/* The number of bytes at *bytes, not
				 * including the terminating null. */
    Tcl_ObjType *typePtr;	/* Denotes the object's type. Always
				 * corresponds to the type of the object's
				 * internal rep. NULL indicates the object
				 * has no internal rep (has no type). */
    union {			/* The internal representation: */
	long longValue;		/*   - an long integer value */
	double doubleValue;	/*   - a double-precision floating value */
	VOID *otherValuePtr;	/*   - another, type-specific value */
	struct {		/*   - internal rep as two pointers */
	    VOID *ptr1;
	    VOID *ptr2;
	} twoPtrValue;
    } internalRep;
} Tcl_Obj;

/*
 * Macros to increment and decrement a Tcl_Obj's reference count, and to
 * test whether an object is shared (i.e. has reference count > 1).
 * Note: clients should use Tcl_DecrRefCount() when they are finished using
 * an object, and should never call TclFreeObj() directly. TclFreeObj() is
 * only defined and made public in tcl.h to support Tcl_DecrRefCount's macro
 * definition. Note also that Tcl_DecrRefCount() refers to the parameter
 * "obj" twice. This means that you should avoid calling it with an
 * expression that is expensive to compute or has side effects.
 */

EXTERN void		Tcl_IncrRefCount _ANSI_ARGS_((Tcl_Obj *objPtr));
EXTERN void		Tcl_DecrRefCount _ANSI_ARGS_((Tcl_Obj *objPtr));
EXTERN int		Tcl_IsShared _ANSI_ARGS_((Tcl_Obj *objPtr));

#ifdef TCL_MEM_DEBUG
#   define Tcl_IncrRefCount(objPtr) \
	Tcl_DbIncrRefCount(objPtr, __FILE__, __LINE__)
#   define Tcl_DecrRefCount(objPtr) \
	Tcl_DbDecrRefCount(objPtr, __FILE__, __LINE__)
#   define Tcl_IsShared(objPtr) \
	Tcl_DbIsShared(objPtr, __FILE__, __LINE__)
#else
#   define Tcl_IncrRefCount(objPtr) \
	++(objPtr)->refCount
#   define Tcl_DecrRefCount(objPtr) \
	if (--(objPtr)->refCount <= 0) TclFreeObj(objPtr)
#   define Tcl_IsShared(objPtr) \
	((objPtr)->refCount > 1)
#endif

/*
 * Macros and definitions that help to debug the use of Tcl objects.
 * When TCL_MEM_DEBUG is defined, the Tcl_New* declarations are 
 * overridden to call debugging versions of the object creation procedures.
 */

EXTERN Tcl_Obj *	Tcl_NewBooleanObj _ANSI_ARGS_((int boolValue));
EXTERN Tcl_Obj *	Tcl_NewDoubleObj _ANSI_ARGS_((double doubleValue));
EXTERN Tcl_Obj *	Tcl_NewIntObj _ANSI_ARGS_((int intValue));
EXTERN Tcl_Obj *	Tcl_NewListObj _ANSI_ARGS_((int objc,
			    Tcl_Obj *CONST objv[]));
EXTERN Tcl_Obj *	Tcl_NewLongObj _ANSI_ARGS_((long longValue));
EXTERN Tcl_Obj *	Tcl_NewObj _ANSI_ARGS_((void));
EXTERN Tcl_Obj *	Tcl_NewStringObj _ANSI_ARGS_((char *bytes,
			    int length));

#ifdef TCL_MEM_DEBUG
#  define Tcl_NewBooleanObj(val) \
     Tcl_DbNewBooleanObj(val, __FILE__, __LINE__)
#  define Tcl_NewDoubleObj(val) \
     Tcl_DbNewDoubleObj(val, __FILE__, __LINE__)
#  define Tcl_NewIntObj(val) \
     Tcl_DbNewLongObj(val, __FILE__, __LINE__)
#  define Tcl_NewListObj(objc, objv) \
     Tcl_DbNewListObj(objc, objv, __FILE__, __LINE__)
#  define Tcl_NewLongObj(val) \
     Tcl_DbNewLongObj(val, __FILE__, __LINE__)
#  define Tcl_NewObj() \
     Tcl_DbNewObj(__FILE__, __LINE__)
#  define Tcl_NewStringObj(bytes, len) \
     Tcl_DbNewStringObj(bytes, len, __FILE__, __LINE__)
#endif /* TCL_MEM_DEBUG */

/*
 * The following definitions support Tcl's namespace facility.
 * Note: the first five fields must match exactly the fields in a
 * Namespace structure (see tcl.h). 
 */

typedef struct Tcl_Namespace {
    char *name;                 /* The namespace's name within its parent
				 * namespace. This contains no ::'s. The
				 * name of the global namespace is ""
				 * although "::" is an synonym. */
    char *fullName;             /* The namespace's fully qualified name.
				 * This starts with ::. */
    ClientData clientData;      /* Arbitrary value associated with this
				 * namespace. */
    Tcl_NamespaceDeleteProc* deleteProc;
                                /* Procedure invoked when deleting the
				 * namespace to, e.g., free clientData. */
    struct Tcl_Namespace* parentPtr;
                                /* Points to the namespace that contains
				 * this one. NULL if this is the global
				 * namespace. */
} Tcl_Namespace;

/*
 * The following procedures allow namespaces to be customized to
 * support special name resolution rules for commands/variables.
 * 
 */
typedef Tcl_Var (Tcl_ResolveRuntimeVarProc) _ANSI_ARGS_((
	Tcl_Interp* interp, ClientData identity));

typedef void (Tcl_ResolveVarDeleteProc) _ANSI_ARGS_((ClientData identity));

typedef struct Tcl_ResolvedVarInfo {
    ClientData identity;
    Tcl_ResolveRuntimeVarProc *fetchProc;
    Tcl_ResolveVarDeleteProc *deleteProc;
} Tcl_ResolvedVarInfo;

typedef int (Tcl_ResolveCompiledVarProc) _ANSI_ARGS_((
	Tcl_Interp* interp, char* name, int length,
        Tcl_Namespace *context, Tcl_ResolvedVarInfo *rPtr));

typedef int (Tcl_ResolveVarProc) _ANSI_ARGS_((
	Tcl_Interp* interp, char* name, Tcl_Namespace *context,
	int flags, Tcl_Var *rPtr));

typedef int (Tcl_ResolveCmdProc) _ANSI_ARGS_((Tcl_Interp* interp,
	char* name, Tcl_Namespace *context, int flags,
	Tcl_Command *rPtr));

typedef struct Tcl_ResolverInfo {
    Tcl_ResolveCmdProc *cmdResProc;	/* Procedure handling command name
					 * resolution. */
    Tcl_ResolveVarProc *varResProc;	/* Procedure handling variable name
					 * resolution for variables that
					 * can only be handled at runtime. */
    Tcl_ResolveCompiledVarProc *compiledVarResProc;
					/* Procedure handling variable name
					 * resolution at compile time. */
} Tcl_ResolverInfo;

/*
 * The following structure represents a call frame, or activation record.
 * A call frame defines a naming context for a procedure call: its local
 * scope (for local variables) and its namespace scope (used for non-local
 * variables; often the global :: namespace). A call frame can also define
 * the naming context for a namespace eval or namespace inscope command:
 * the namespace in which the command's code should execute. The
 * Tcl_CallFrame structures exist only while procedures or namespace
 * eval/inscope's are being executed, and provide a Tcl call stack.
 * 
 * A call frame is initialized and pushed using Tcl_PushCallFrame and
 * popped using Tcl_PopCallFrame. Storage for a Tcl_CallFrame must be
 * provided by the Tcl_PushCallFrame caller, and callers typically allocate
 * them on the C call stack for efficiency. For this reason, Tcl_CallFrame
 * is defined as a structure and not as an opaque token. However, most
 * Tcl_CallFrame fields are hidden since applications should not access
 * them directly; others are declared as "dummyX".
 *
 * WARNING!! The structure definition must be kept consistent with the
 * CallFrame structure in tclInt.h. If you change one, change the other.
 */

typedef struct Tcl_CallFrame {
    Tcl_Namespace *nsPtr;
    int dummy1;
    int dummy2;
    char *dummy3;
    char *dummy4;
    char *dummy5;
    int dummy6;
    char *dummy7;
    char *dummy8;
    int dummy9;
    char* dummy10;
} Tcl_CallFrame;

/*
 * Information about commands that is returned by Tcl_GetCommandInfo and
 * passed to Tcl_SetCommandInfo. objProc is an objc/objv object-based
 * command procedure while proc is a traditional Tcl argc/argv
 * string-based procedure. Tcl_CreateObjCommand and Tcl_CreateCommand
 * ensure that both objProc and proc are non-NULL and can be called to
 * execute the command. However, it may be faster to call one instead of
 * the other. The member isNativeObjectProc is set to 1 if an
 * object-based procedure was registered by Tcl_CreateObjCommand, and to
 * 0 if a string-based procedure was registered by Tcl_CreateCommand.
 * The other procedure is typically set to a compatibility wrapper that
 * does string-to-object or object-to-string argument conversions then
 * calls the other procedure.
 */
     
typedef struct Tcl_CmdInfo {
    int isNativeObjectProc;	 /* 1 if objProc was registered by a call to
				  * Tcl_CreateObjCommand; 0 otherwise.
				  * Tcl_SetCmdInfo does not modify this
				  * field. */
    Tcl_ObjCmdProc *objProc;	 /* Command's object-based procedure. */
    ClientData objClientData;	 /* ClientData for object proc. */
    Tcl_CmdProc *proc;		 /* Command's string-based procedure. */
    ClientData clientData;	 /* ClientData for string proc. */
    Tcl_CmdDeleteProc *deleteProc;
                                 /* Procedure to call when command is
                                  * deleted. */
    ClientData deleteData;	 /* Value to pass to deleteProc (usually
				  * the same as clientData). */
    Tcl_Namespace *namespacePtr; /* Points to the namespace that contains
				  * this command. Note that Tcl_SetCmdInfo
				  * will not change a command's namespace;
				  * use Tcl_RenameCommand to do that. */

} Tcl_CmdInfo;

/*
 * The structure defined below is used to hold dynamic strings.  The only
 * field that clients should use is the string field, and they should
 * never modify it.
 */

#define TCL_DSTRING_STATIC_SIZE 200
typedef struct Tcl_DString {
    char *string;		/* Points to beginning of string:  either
				 * staticSpace below or a malloced array. */
    int length;			/* Number of non-NULL characters in the
				 * string. */
    int spaceAvl;		/* Total number of bytes available for the
				 * string and its terminating NULL char. */
    char staticSpace[TCL_DSTRING_STATIC_SIZE];
				/* Space to use in common case where string
				 * is small. */
} Tcl_DString;

#define Tcl_DStringLength(dsPtr) ((dsPtr)->length)
#define Tcl_DStringValue(dsPtr) ((dsPtr)->string)
#define Tcl_DStringTrunc Tcl_DStringSetLength

/*
 * Definitions for the maximum number of digits of precision that may
 * be specified in the "tcl_precision" variable, and the number of
 * characters of buffer space required by Tcl_PrintDouble.
 */
 
#define TCL_MAX_PREC 17
#define TCL_DOUBLE_SPACE (TCL_MAX_PREC+10)

/*
 * Flag that may be passed to Tcl_ConvertElement to force it not to
 * output braces (careful!  if you change this flag be sure to change
 * the definitions at the front of tclUtil.c).
 */

#define TCL_DONT_USE_BRACES	1

/*
 * Flag that may be passed to Tcl_GetIndexFromObj to force it to disallow
 * abbreviated strings.
 */

#define TCL_EXACT	1

/*
 * Flag values passed to Tcl_RecordAndEval.
 * WARNING: these bit choices must not conflict with the bit choices
 * for evalFlag bits in tclInt.h!!
 */

#define TCL_NO_EVAL		0x10000
#define TCL_EVAL_GLOBAL		0x20000

/*
 * Special freeProc values that may be passed to Tcl_SetResult (see
 * the man page for details):
 */

#define TCL_VOLATILE	((Tcl_FreeProc *) 1)
#define TCL_STATIC	((Tcl_FreeProc *) 0)
#define TCL_DYNAMIC	((Tcl_FreeProc *) 3)

/*
 * Flag values passed to variable-related procedures.
 */

#define TCL_GLOBAL_ONLY		 1
#define TCL_NAMESPACE_ONLY	 2
#define TCL_APPEND_VALUE	 4
#define TCL_LIST_ELEMENT	 8
#define TCL_TRACE_READS		 0x10
#define TCL_TRACE_WRITES	 0x20
#define TCL_TRACE_UNSETS	 0x40
#define TCL_TRACE_DESTROYED	 0x80
#define TCL_INTERP_DESTROYED	 0x100
#define TCL_LEAVE_ERR_MSG	 0x200
#define TCL_PARSE_PART1		 0x400

/*
 * Types for linked variables:
 */

#define TCL_LINK_INT		1
#define TCL_LINK_DOUBLE		2
#define TCL_LINK_BOOLEAN	3
#define TCL_LINK_STRING		4
#define TCL_LINK_READ_ONLY	0x80

/*
 * The following declarations either map ckalloc and ckfree to
 * malloc and free, or they map them to procedures with all sorts
 * of debugging hooks defined in tclCkalloc.c.
 */

EXTERN char *		Tcl_Alloc _ANSI_ARGS_((unsigned int size));
EXTERN void		Tcl_Free _ANSI_ARGS_((char *ptr));
EXTERN char *		Tcl_Realloc _ANSI_ARGS_((char *ptr,
			    unsigned int size));

#ifdef TCL_MEM_DEBUG

#  define Tcl_Alloc(x) Tcl_DbCkalloc(x, __FILE__, __LINE__)
#  define Tcl_Free(x)  Tcl_DbCkfree(x, __FILE__, __LINE__)
#  define Tcl_Realloc(x,y) Tcl_DbCkrealloc((x), (y),__FILE__, __LINE__)
#  define ckalloc(x) Tcl_DbCkalloc(x, __FILE__, __LINE__)
#  define ckfree(x)  Tcl_DbCkfree(x, __FILE__, __LINE__)
#  define ckrealloc(x,y) Tcl_DbCkrealloc((x), (y),__FILE__, __LINE__)

EXTERN int		Tcl_DumpActiveMemory _ANSI_ARGS_((char *fileName));
EXTERN void		Tcl_ValidateAllMemory _ANSI_ARGS_((char *file,
			    int line));

#else

#  if USE_TCLALLOC
#     define ckalloc(x) Tcl_Alloc(x)
#     define ckfree(x) Tcl_Free(x)
#     define ckrealloc(x,y) Tcl_Realloc(x,y)
#  else
#     define ckalloc(x) malloc(x)
#     define ckfree(x)  free(x)
#     define ckrealloc(x,y) realloc(x,y)
#  endif
#  define Tcl_DumpActiveMemory(x)
#  define Tcl_ValidateAllMemory(x,y)

#endif /* TCL_MEM_DEBUG */

/*
 * Forward declaration of Tcl_HashTable.  Needed by some C++ compilers
 * to prevent errors when the forward reference to Tcl_HashTable is
 * encountered in the Tcl_HashEntry structure.
 */

#ifdef __cplusplus
struct Tcl_HashTable;
#endif

/*
 * Structure definition for an entry in a hash table.  No-one outside
 * Tcl should access any of these fields directly;  use the macros
 * defined below.
 */

typedef struct Tcl_HashEntry {
    struct Tcl_HashEntry *nextPtr;	/* Pointer to next entry in this
					 * hash bucket, or NULL for end of
					 * chain. */
    struct Tcl_HashTable *tablePtr;	/* Pointer to table containing entry. */
    struct Tcl_HashEntry **bucketPtr;	/* Pointer to bucket that points to
					 * first entry in this entry's chain:
					 * used for deleting the entry. */
    ClientData clientData;		/* Application stores something here
					 * with Tcl_SetHashValue. */
    union {				/* Key has one of these forms: */
	char *oneWordValue;		/* One-word value for key. */
	int words[1];			/* Multiple integer words for key.
					 * The actual size will be as large
					 * as necessary for this table's
					 * keys. */
	char string[4];			/* String for key.  The actual size
					 * will be as large as needed to hold
					 * the key. */
    } key;				/* MUST BE LAST FIELD IN RECORD!! */
} Tcl_HashEntry;

/*
 * Structure definition for a hash table.  Must be in tcl.h so clients
 * can allocate space for these structures, but clients should never
 * access any fields in this structure.
 */

#define TCL_SMALL_HASH_TABLE 4
typedef struct Tcl_HashTable {
    Tcl_HashEntry **buckets;		/* Pointer to bucket array.  Each
					 * element points to first entry in
					 * bucket's hash chain, or NULL. */
    Tcl_HashEntry *staticBuckets[TCL_SMALL_HASH_TABLE];
					/* Bucket array used for small tables
					 * (to avoid mallocs and frees). */
    int numBuckets;			/* Total number of buckets allocated
					 * at **bucketPtr. */
    int numEntries;			/* Total number of entries present
					 * in table. */
    int rebuildSize;			/* Enlarge table when numEntries gets
					 * to be this large. */
    int downShift;			/* Shift count used in hashing
					 * function.  Designed to use high-
					 * order bits of randomized keys. */
    int mask;				/* Mask value used in hashing
					 * function. */
    int keyType;			/* Type of keys used in this table. 
					 * It's either TCL_STRING_KEYS,
					 * TCL_ONE_WORD_KEYS, or an integer
					 * giving the number of ints that
                                         * is the size of the key.
					 */
    Tcl_HashEntry *(*findProc) _ANSI_ARGS_((struct Tcl_HashTable *tablePtr,
	    CONST char *key));
    Tcl_HashEntry *(*createProc) _ANSI_ARGS_((struct Tcl_HashTable *tablePtr,
	    CONST char *key, int *newPtr));
} Tcl_HashTable;

/*
 * Structure definition for information used to keep track of searches
 * through hash tables:
 */

typedef struct Tcl_HashSearch {
    Tcl_HashTable *tablePtr;		/* Table being searched. */
    int nextIndex;			/* Index of next bucket to be
					 * enumerated after present one. */
    Tcl_HashEntry *nextEntryPtr;	/* Next entry to be enumerated in the
					 * the current bucket. */
} Tcl_HashSearch;

/*
 * Acceptable key types for hash tables:
 */

#define TCL_STRING_KEYS		0
#define TCL_ONE_WORD_KEYS	1

/*
 * Macros for clients to use to access fields of hash entries:
 */

#define Tcl_GetHashValue(h) ((h)->clientData)
#define Tcl_SetHashValue(h, value) ((h)->clientData = (ClientData) (value))
#define Tcl_GetHashKey(tablePtr, h) \
    ((char *) (((tablePtr)->keyType == TCL_ONE_WORD_KEYS) ? (h)->key.oneWordValue \
						: (h)->key.string))

/*
 * Macros to use for clients to use to invoke find and create procedures
 * for hash tables:
 */

#define Tcl_FindHashEntry(tablePtr, key) \
	(*((tablePtr)->findProc))(tablePtr, key)
#define Tcl_CreateHashEntry(tablePtr, key, newPtr) \
	(*((tablePtr)->createProc))(tablePtr, key, newPtr)

/*
 * Flag values to pass to Tcl_DoOneEvent to disable searches
 * for some kinds of events:
 */

#define TCL_DONT_WAIT		(1<<1)
#define TCL_WINDOW_EVENTS	(1<<2)
#define TCL_FILE_EVENTS		(1<<3)
#define TCL_TIMER_EVENTS	(1<<4)
#define TCL_IDLE_EVENTS		(1<<5)	/* WAS 0x10 ???? */
#define TCL_ALL_EVENTS		(~TCL_DONT_WAIT)

/*
 * The following structure defines a generic event for the Tcl event
 * system.  These are the things that are queued in calls to Tcl_QueueEvent
 * and serviced later by Tcl_DoOneEvent.  There can be many different
 * kinds of events with different fields, corresponding to window events,
 * timer events, etc.  The structure for a particular event consists of
 * a Tcl_Event header followed by additional information specific to that
 * event.
 */

struct Tcl_Event {
    Tcl_EventProc *proc;	/* Procedure to call to service this event. */
    struct Tcl_Event *nextPtr;	/* Next in list of pending events, or NULL. */
};

/*
 * Positions to pass to Tcl_QueueEvent:
 */

typedef enum {
    TCL_QUEUE_TAIL, TCL_QUEUE_HEAD, TCL_QUEUE_MARK
} Tcl_QueuePosition;

/*
 * Values to pass to Tcl_SetServiceMode to specify the behavior of notifier
 * event routines.
 */

#define TCL_SERVICE_NONE 0
#define TCL_SERVICE_ALL 1

/*
 * The following structure keeps is used to hold a time value, either as
 * an absolute time (the number of seconds from the epoch) or as an
 * elapsed time. On Unix systems the epoch is Midnight Jan 1, 1970 GMT.
 * On Macintosh systems the epoch is Midnight Jan 1, 1904 GMT.
 */

typedef struct Tcl_Time {
    long sec;			/* Seconds. */
    long usec;			/* Microseconds. */
} Tcl_Time;

/*
 * Bits to pass to Tcl_CreateFileHandler and Tcl_CreateChannelHandler
 * to indicate what sorts of events are of interest:
 */

#define TCL_READABLE	(1<<1)
#define TCL_WRITABLE	(1<<2)
#define TCL_EXCEPTION	(1<<3)

/*
 * Flag values to pass to Tcl_OpenCommandChannel to indicate the
 * disposition of the stdio handles.  TCL_STDIN, TCL_STDOUT, TCL_STDERR,
 * are also used in Tcl_GetStdChannel.
 */

#define TCL_STDIN		(1<<1)	
#define TCL_STDOUT		(1<<2)
#define TCL_STDERR		(1<<3)
#define TCL_ENFORCE_MODE	(1<<4)

/*
 * Typedefs for the various operations in a channel type:
 */

typedef int	(Tcl_DriverBlockModeProc) _ANSI_ARGS_((
		    ClientData instanceData, int mode));
typedef int	(Tcl_DriverCloseProc) _ANSI_ARGS_((ClientData instanceData,
		    Tcl_Interp *interp));
typedef int	(Tcl_DriverInputProc) _ANSI_ARGS_((ClientData instanceData,
		    char *buf, int toRead, int *errorCodePtr));
typedef int	(Tcl_DriverOutputProc) _ANSI_ARGS_((ClientData instanceData,
		    char *buf, int toWrite, int *errorCodePtr));
typedef int	(Tcl_DriverSeekProc) _ANSI_ARGS_((ClientData instanceData,
		    long offset, int mode, int *errorCodePtr));
typedef int	(Tcl_DriverSetOptionProc) _ANSI_ARGS_((
		    ClientData instanceData, Tcl_Interp *interp,
	            char *optionName, char *value));
typedef int	(Tcl_DriverGetOptionProc) _ANSI_ARGS_((
		    ClientData instanceData, Tcl_Interp *interp,
		    char *optionName, Tcl_DString *dsPtr));
typedef void	(Tcl_DriverWatchProc) _ANSI_ARGS_((
		    ClientData instanceData, int mask));
typedef int	(Tcl_DriverGetHandleProc) _ANSI_ARGS_((
		    ClientData instanceData, int direction,
		    ClientData *handlePtr));

/*
 * Enum for different end of line translation and recognition modes.
 */

typedef enum Tcl_EolTranslation {
    TCL_TRANSLATE_AUTO,			/* Eol == \r, \n and \r\n. */
    TCL_TRANSLATE_CR,			/* Eol == \r. */
    TCL_TRANSLATE_LF,			/* Eol == \n. */
    TCL_TRANSLATE_CRLF			/* Eol == \r\n. */
} Tcl_EolTranslation;

/*
 * struct Tcl_ChannelType:
 *
 * One such structure exists for each type (kind) of channel.
 * It collects together in one place all the functions that are
 * part of the specific channel type.
 */

typedef struct Tcl_ChannelType {
    char *typeName;			/* The name of the channel type in Tcl
                                         * commands. This storage is owned by
                                         * channel type. */
    Tcl_DriverBlockModeProc *blockModeProc;
    					/* Set blocking mode for the
                                         * raw channel. May be NULL. */
    Tcl_DriverCloseProc *closeProc;	/* Procedure to call to close
                                         * the channel. */
    Tcl_DriverInputProc *inputProc;	/* Procedure to call for input
                                         * on channel. */
    Tcl_DriverOutputProc *outputProc;	/* Procedure to call for output
                                         * on channel. */
    Tcl_DriverSeekProc *seekProc;	/* Procedure to call to seek
                                         * on the channel. May be NULL. */
    Tcl_DriverSetOptionProc *setOptionProc;
    					/* Set an option on a channel. */
    Tcl_DriverGetOptionProc *getOptionProc;
    					/* Get an option from a channel. */
    Tcl_DriverWatchProc *watchProc;	/* Set up the notifier to watch
                                         * for events on this channel. */
    Tcl_DriverGetHandleProc *getHandleProc;
					/* Get an OS handle from the channel
                                         * or NULL if not supported. */
    VOID *reserved;			/* reserved for future expansion */
} Tcl_ChannelType;

/*
 * The following flags determine whether the blockModeProc above should
 * set the channel into blocking or nonblocking mode. They are passed
 * as arguments to the blockModeProc procedure in the above structure.
 */

#define TCL_MODE_BLOCKING 0		/* Put channel into blocking mode. */
#define TCL_MODE_NONBLOCKING 1		/* Put channel into nonblocking
					 * mode. */

/*
 * Enum for different types of file paths.
 */

typedef enum Tcl_PathType {
    TCL_PATH_ABSOLUTE,
    TCL_PATH_RELATIVE,
    TCL_PATH_VOLUME_RELATIVE
} Tcl_PathType;

/*
 * Exported Tcl procedures:
 */

EXTERN void		Tcl_AddErrorInfo _ANSI_ARGS_((Tcl_Interp *interp,
			    char *message));
EXTERN void		Tcl_AddInterpResolvers _ANSI_ARGS_((Tcl_Interp *interp,
			    char *name, Tcl_ResolveCmdProc *cmdProc,
			    Tcl_ResolveVarProc *varProc,
			    Tcl_ResolveCompiledVarProc *compiledVarProc));
EXTERN void		Tcl_AddObjErrorInfo _ANSI_ARGS_((Tcl_Interp *interp,
			    char *message, int length));
EXTERN void		Tcl_AllowExceptions _ANSI_ARGS_((Tcl_Interp *interp));
EXTERN int		Tcl_AppendAllObjTypes _ANSI_ARGS_((
			    Tcl_Interp *interp, Tcl_Obj *objPtr));
EXTERN void		Tcl_AppendElement _ANSI_ARGS_((Tcl_Interp *interp,
			    char *string));
EXTERN void		Tcl_AppendResult _ANSI_ARGS_(
			    TCL_VARARGS(Tcl_Interp *,interp));
EXTERN void		Tcl_AppendToObj _ANSI_ARGS_((Tcl_Obj *objPtr,
			    char *bytes, int length));
EXTERN void		Tcl_AppendStringsToObj _ANSI_ARGS_(
			    TCL_VARARGS(Tcl_Obj *,interp));
EXTERN int		Tcl_AppInit _ANSI_ARGS_((Tcl_Interp *interp));
EXTERN Tcl_AsyncHandler	Tcl_AsyncCreate _ANSI_ARGS_((Tcl_AsyncProc *proc,
			    ClientData clientData));
EXTERN void		Tcl_AsyncDelete _ANSI_ARGS_((Tcl_AsyncHandler async));
EXTERN int		Tcl_AsyncInvoke _ANSI_ARGS_((Tcl_Interp *interp,
			    int code));
EXTERN void		Tcl_AsyncMark _ANSI_ARGS_((Tcl_AsyncHandler async));
EXTERN int		Tcl_AsyncReady _ANSI_ARGS_((void));
EXTERN void		Tcl_BackgroundError _ANSI_ARGS_((Tcl_Interp *interp));
EXTERN char		Tcl_Backslash _ANSI_ARGS_((CONST char *src,
			    int *readPtr));
EXTERN int		Tcl_BadChannelOption _ANSI_ARGS_((Tcl_Interp *interp,
			    char *optionName, char *optionList));
EXTERN void		Tcl_CallWhenDeleted _ANSI_ARGS_((Tcl_Interp *interp,
			    Tcl_InterpDeleteProc *proc,
			    ClientData clientData));
EXTERN void		Tcl_CancelIdleCall _ANSI_ARGS_((Tcl_IdleProc *idleProc,
			    ClientData clientData));
#define Tcl_Ckalloc Tcl_Alloc
#define Tcl_Ckfree Tcl_Free
#define Tcl_Ckrealloc Tcl_Realloc
EXTERN int		Tcl_Close _ANSI_ARGS_((Tcl_Interp *interp,
        		    Tcl_Channel chan));
EXTERN int		Tcl_CommandComplete _ANSI_ARGS_((char *cmd));
EXTERN char *		Tcl_Concat _ANSI_ARGS_((int argc, char **argv));
EXTERN Tcl_Obj *	Tcl_ConcatObj _ANSI_ARGS_((int objc,
			    Tcl_Obj *CONST objv[]));
EXTERN int		Tcl_ConvertCountedElement _ANSI_ARGS_((CONST char *src,
			    int length, char *dst, int flags));
EXTERN int		Tcl_ConvertElement _ANSI_ARGS_((CONST char *src,
			    char *dst, int flags));
EXTERN int		Tcl_ConvertToType _ANSI_ARGS_((Tcl_Interp *interp,
			    Tcl_Obj *objPtr, Tcl_ObjType *typePtr));
EXTERN int		Tcl_CreateAlias _ANSI_ARGS_((Tcl_Interp *slave,
			    char *slaveCmd, Tcl_Interp *target,
        		    char *targetCmd, int argc, char **argv));
EXTERN int		Tcl_CreateAliasObj _ANSI_ARGS_((Tcl_Interp *slave,
			    char *slaveCmd, Tcl_Interp *target,
        		    char *targetCmd, int objc,
		            Tcl_Obj *CONST objv[]));
EXTERN Tcl_Channel	Tcl_CreateChannel _ANSI_ARGS_((
    			    Tcl_ChannelType *typePtr, char *chanName,
                            ClientData instanceData, int mask));
EXTERN void		Tcl_CreateChannelHandler _ANSI_ARGS_((
			    Tcl_Channel chan, int mask,
                            Tcl_ChannelProc *proc, ClientData clientData));
EXTERN void		Tcl_CreateCloseHandler _ANSI_ARGS_((
			    Tcl_Channel chan, Tcl_CloseProc *proc,
                            ClientData clientData));
EXTERN Tcl_Command	Tcl_CreateCommand _ANSI_ARGS_((Tcl_Interp *interp,
			    char *cmdName, Tcl_CmdProc *proc,
			    ClientData clientData,
			    Tcl_CmdDeleteProc *deleteProc));
EXTERN void		Tcl_CreateEventSource _ANSI_ARGS_((
			    Tcl_EventSetupProc *setupProc,
			    Tcl_EventCheckProc *checkProc,
			    ClientData clientData));
EXTERN void		Tcl_CreateExitHandler _ANSI_ARGS_((Tcl_ExitProc *proc,
			    ClientData clientData));
EXTERN void		Tcl_CreateFileHandler _ANSI_ARGS_((
    			    int fd, int mask, Tcl_FileProc *proc,
			    ClientData clientData));
EXTERN Tcl_Interp *	Tcl_CreateInterp _ANSI_ARGS_((void));
EXTERN void		Tcl_CreateMathFunc _ANSI_ARGS_((Tcl_Interp *interp,
			    char *name, int numArgs, Tcl_ValueType *argTypes,
			    Tcl_MathProc *proc, ClientData clientData));
EXTERN Tcl_Command	Tcl_CreateObjCommand _ANSI_ARGS_((
			    Tcl_Interp *interp, char *cmdName,
			    Tcl_ObjCmdProc *proc, ClientData clientData,
			    Tcl_CmdDeleteProc *deleteProc));
EXTERN Tcl_Interp *	Tcl_CreateSlave _ANSI_ARGS_((Tcl_Interp *interp,
		            char *slaveName, int isSafe));
EXTERN Tcl_TimerToken	Tcl_CreateTimerHandler _ANSI_ARGS_((int milliseconds,
			    Tcl_TimerProc *proc, ClientData clientData));
EXTERN Tcl_Trace	Tcl_CreateTrace _ANSI_ARGS_((Tcl_Interp *interp,
			    int level, Tcl_CmdTraceProc *proc,
			    ClientData clientData));
EXTERN char *		Tcl_DbCkalloc _ANSI_ARGS_((unsigned int size,
			    char *file, int line));
EXTERN int		Tcl_DbCkfree _ANSI_ARGS_((char *ptr,
			    char *file, int line));
EXTERN char *		Tcl_DbCkrealloc _ANSI_ARGS_((char *ptr,
			    unsigned int size, char *file, int line));
EXTERN void		Tcl_DbDecrRefCount _ANSI_ARGS_((Tcl_Obj *objPtr,
			    char *file, int line));
EXTERN void		Tcl_DbIncrRefCount _ANSI_ARGS_((Tcl_Obj *objPtr,
			    char *file, int line));
EXTERN int		Tcl_DbIsShared _ANSI_ARGS_((Tcl_Obj *objPtr,
			    char *file, int line));
EXTERN Tcl_Obj *	Tcl_DbNewBooleanObj _ANSI_ARGS_((int boolValue,
                            char *file, int line));
EXTERN Tcl_Obj *	Tcl_DbNewDoubleObj _ANSI_ARGS_((double doubleValue,
                            char *file, int line));
EXTERN Tcl_Obj *	Tcl_DbNewListObj _ANSI_ARGS_((int objc,
			    Tcl_Obj *CONST objv[], char *file, int line));
EXTERN Tcl_Obj *	Tcl_DbNewLongObj _ANSI_ARGS_((long longValue,
                            char *file, int line));
EXTERN Tcl_Obj *	Tcl_DbNewObj _ANSI_ARGS_((char *file, int line));
EXTERN Tcl_Obj *	Tcl_DbNewStringObj _ANSI_ARGS_((char *bytes,
			    int length, char *file, int line));
EXTERN void		Tcl_DeleteAssocData _ANSI_ARGS_((Tcl_Interp *interp,
                            char *name));
EXTERN int		Tcl_DeleteCommand _ANSI_ARGS_((Tcl_Interp *interp,
			    char *cmdName));
EXTERN int		Tcl_DeleteCommandFromToken _ANSI_ARGS_((
			    Tcl_Interp *interp, Tcl_Command command));
EXTERN void		Tcl_DeleteChannelHandler _ANSI_ARGS_((
    			    Tcl_Channel chan, Tcl_ChannelProc *proc,
                            ClientData clientData));
EXTERN void		Tcl_DeleteCloseHandler _ANSI_ARGS_((
			    Tcl_Channel chan, Tcl_CloseProc *proc,
                            ClientData clientData));
EXTERN void		Tcl_DeleteEvents _ANSI_ARGS_((
			    Tcl_EventDeleteProc *proc,
                            ClientData clientData));
EXTERN void		Tcl_DeleteEventSource _ANSI_ARGS_((
			    Tcl_EventSetupProc *setupProc,
			    Tcl_EventCheckProc *checkProc,
			    ClientData clientData));
EXTERN void		Tcl_DeleteExitHandler _ANSI_ARGS_((Tcl_ExitProc *proc,
			    ClientData clientData));
EXTERN void		Tcl_DeleteFileHandler _ANSI_ARGS_((int fd));
EXTERN void		Tcl_DeleteHashEntry _ANSI_ARGS_((
			    Tcl_HashEntry *entryPtr));
EXTERN void		Tcl_DeleteHashTable _ANSI_ARGS_((
			    Tcl_HashTable *tablePtr));
EXTERN void		Tcl_DeleteInterp _ANSI_ARGS_((Tcl_Interp *interp));
EXTERN void		Tcl_DeleteTimerHandler _ANSI_ARGS_((
			    Tcl_TimerToken token));
EXTERN void		Tcl_DeleteTrace _ANSI_ARGS_((Tcl_Interp *interp,
			    Tcl_Trace trace));
EXTERN void		Tcl_DetachPids _ANSI_ARGS_((int numPids, Tcl_Pid *pidPtr));
EXTERN void		Tcl_DontCallWhenDeleted _ANSI_ARGS_((
			    Tcl_Interp *interp, Tcl_InterpDeleteProc *proc,
			    ClientData clientData));
EXTERN int		Tcl_DoOneEvent _ANSI_ARGS_((int flags));
EXTERN void		Tcl_DoWhenIdle _ANSI_ARGS_((Tcl_IdleProc *proc,
			    ClientData clientData));
EXTERN char *		Tcl_DStringAppend _ANSI_ARGS_((Tcl_DString *dsPtr,
			    CONST char *string, int length));
EXTERN char *		Tcl_DStringAppendElement _ANSI_ARGS_((
			    Tcl_DString *dsPtr, CONST char *string));
EXTERN void		Tcl_DStringEndSublist _ANSI_ARGS_((Tcl_DString *dsPtr));
EXTERN void		Tcl_DStringFree _ANSI_ARGS_((Tcl_DString *dsPtr));
EXTERN void		Tcl_DStringGetResult _ANSI_ARGS_((Tcl_Interp *interp,
			    Tcl_DString *dsPtr));
EXTERN void		Tcl_DStringInit _ANSI_ARGS_((Tcl_DString *dsPtr));
EXTERN void		Tcl_DStringResult _ANSI_ARGS_((Tcl_Interp *interp,
			    Tcl_DString *dsPtr));
EXTERN void		Tcl_DStringSetLength _ANSI_ARGS_((Tcl_DString *dsPtr,
			    int length));
EXTERN void		Tcl_DStringStartSublist _ANSI_ARGS_((
			    Tcl_DString *dsPtr));
EXTERN Tcl_Obj *	Tcl_DuplicateObj _ANSI_ARGS_((Tcl_Obj *objPtr));
EXTERN int		Tcl_Eof _ANSI_ARGS_((Tcl_Channel chan));
EXTERN char *		Tcl_ErrnoId _ANSI_ARGS_((void));
EXTERN char *		Tcl_ErrnoMsg _ANSI_ARGS_((int err));
EXTERN int		Tcl_Eval _ANSI_ARGS_((Tcl_Interp *interp,
			    char *string));
EXTERN int		Tcl_EvalFile _ANSI_ARGS_((Tcl_Interp *interp,
			    char *fileName));
EXTERN void		Tcl_EventuallyFree _ANSI_ARGS_((ClientData clientData,
			    Tcl_FreeProc *freeProc));
EXTERN int		Tcl_EvalObj _ANSI_ARGS_((Tcl_Interp *interp,
			    Tcl_Obj *objPtr));
EXTERN void		Tcl_Exit _ANSI_ARGS_((int status));
EXTERN int		Tcl_ExposeCommand _ANSI_ARGS_((Tcl_Interp *interp,
        		    char *hiddenCmdToken, char *cmdName));
EXTERN int		Tcl_ExprBoolean _ANSI_ARGS_((Tcl_Interp *interp,
			    char *string, int *ptr));
EXTERN int		Tcl_ExprBooleanObj _ANSI_ARGS_((Tcl_Interp *interp,
			    Tcl_Obj *objPtr, int *ptr));
EXTERN int		Tcl_ExprDouble _ANSI_ARGS_((Tcl_Interp *interp,
			    char *string, double *ptr));
EXTERN int		Tcl_ExprDoubleObj _ANSI_ARGS_((Tcl_Interp *interp,
			    Tcl_Obj *objPtr, double *ptr));
EXTERN int		Tcl_ExprLong _ANSI_ARGS_((Tcl_Interp *interp,
			    char *string, long *ptr));
EXTERN int		Tcl_ExprLongObj _ANSI_ARGS_((Tcl_Interp *interp,
			    Tcl_Obj *objPtr, long *ptr));
EXTERN int		Tcl_ExprObj _ANSI_ARGS_((Tcl_Interp *interp,
			    Tcl_Obj *objPtr, Tcl_Obj **resultPtrPtr));
EXTERN int		Tcl_ExprString _ANSI_ARGS_((Tcl_Interp *interp,
			    char *string));
EXTERN void		Tcl_Finalize _ANSI_ARGS_((void));
EXTERN void		Tcl_FindExecutable _ANSI_ARGS_((char *argv0));
EXTERN Tcl_HashEntry *	Tcl_FirstHashEntry _ANSI_ARGS_((
			    Tcl_HashTable *tablePtr,
			    Tcl_HashSearch *searchPtr));
EXTERN int		Tcl_Flush _ANSI_ARGS_((Tcl_Channel chan));
EXTERN void		TclFreeObj _ANSI_ARGS_((Tcl_Obj *objPtr));
EXTERN void		Tcl_FreeResult _ANSI_ARGS_((Tcl_Interp *interp));
EXTERN int		Tcl_GetAlias _ANSI_ARGS_((Tcl_Interp *interp,
       			    char *slaveCmd, Tcl_Interp **targetInterpPtr,
                            char **targetCmdPtr, int *argcPtr,
			    char ***argvPtr));
EXTERN int		Tcl_GetAliasObj _ANSI_ARGS_((Tcl_Interp *interp,
       			    char *slaveCmd, Tcl_Interp **targetInterpPtr,
                            char **targetCmdPtr, int *objcPtr,
			    Tcl_Obj ***objv));
EXTERN ClientData	Tcl_GetAssocData _ANSI_ARGS_((Tcl_Interp *interp,
                            char *name, Tcl_InterpDeleteProc **procPtr));
EXTERN int		Tcl_GetBoolean _ANSI_ARGS_((Tcl_Interp *interp,
			    char *string, int *boolPtr));
EXTERN int		Tcl_GetBooleanFromObj _ANSI_ARGS_((
			    Tcl_Interp *interp, Tcl_Obj *objPtr,
			    int *boolPtr));
EXTERN Tcl_Channel	Tcl_GetChannel _ANSI_ARGS_((Tcl_Interp *interp,
	        	    char *chanName, int *modePtr));
EXTERN int		Tcl_GetChannelBufferSize _ANSI_ARGS_((
    			    Tcl_Channel chan));
EXTERN int		Tcl_GetChannelHandle _ANSI_ARGS_((Tcl_Channel chan,
	        	    int direction, ClientData *handlePtr));
EXTERN ClientData	Tcl_GetChannelInstanceData _ANSI_ARGS_((
    			    Tcl_Channel chan));
EXTERN int		Tcl_GetChannelMode _ANSI_ARGS_((Tcl_Channel chan));
EXTERN char *		Tcl_GetChannelName _ANSI_ARGS_((Tcl_Channel chan));
EXTERN int		Tcl_GetChannelOption _ANSI_ARGS_((Tcl_Interp *interp,
			    Tcl_Channel chan, char *optionName,
			    Tcl_DString *dsPtr));
EXTERN Tcl_ChannelType * Tcl_GetChannelType _ANSI_ARGS_((Tcl_Channel chan));
EXTERN int		Tcl_GetCommandInfo _ANSI_ARGS_((Tcl_Interp *interp,
			    char *cmdName, Tcl_CmdInfo *infoPtr));
EXTERN char *		Tcl_GetCommandName _ANSI_ARGS_((Tcl_Interp *interp,
			    Tcl_Command command));
EXTERN char *		Tcl_GetCwd _ANSI_ARGS_((char *buf, int len));
EXTERN int		Tcl_GetDouble _ANSI_ARGS_((Tcl_Interp *interp,
			    char *string, double *doublePtr));
EXTERN int		Tcl_GetDoubleFromObj _ANSI_ARGS_((
			    Tcl_Interp *interp, Tcl_Obj *objPtr,
			    double *doublePtr));
EXTERN int		Tcl_GetErrno _ANSI_ARGS_((void));
EXTERN int		Tcl_GetErrorLine _ANSI_ARGS_((Tcl_Interp *interp));
EXTERN char *		Tcl_GetHostName _ANSI_ARGS_((void));
EXTERN int		Tcl_GetIndexFromObj _ANSI_ARGS_((Tcl_Interp *interp,
			    Tcl_Obj *objPtr, char **tablePtr, char *msg,
			    int flags, int *indexPtr));
EXTERN int		Tcl_GetInt _ANSI_ARGS_((Tcl_Interp *interp,
			    char *string, int *intPtr));
EXTERN int		Tcl_GetInterpPath _ANSI_ARGS_((Tcl_Interp *askInterp,
			    Tcl_Interp *slaveInterp));
EXTERN int              Tcl_GetInterpResolvers _ANSI_ARGS_((Tcl_Interp *interp,
                            char *name, Tcl_ResolverInfo *resInfo));
EXTERN int		Tcl_GetIntFromObj _ANSI_ARGS_((Tcl_Interp *interp,
			    Tcl_Obj *objPtr, int *intPtr));
EXTERN int		Tcl_GetLongFromObj _ANSI_ARGS_((Tcl_Interp *interp,
			    Tcl_Obj *objPtr, long *longPtr));
EXTERN Tcl_Interp *	Tcl_GetMaster _ANSI_ARGS_((Tcl_Interp *interp));
EXTERN int              Tcl_GetNamespaceResolvers _ANSI_ARGS_((
			    Tcl_Namespace *namespacePtr,
			    Tcl_ResolverInfo *resInfo));
EXTERN CONST char *	Tcl_GetNameOfExecutable _ANSI_ARGS_((void));
EXTERN Tcl_Obj *	Tcl_GetObjResult _ANSI_ARGS_((Tcl_Interp *interp));
EXTERN Tcl_ObjType *	Tcl_GetObjType _ANSI_ARGS_((char *typeName));
EXTERN int		Tcl_GetOpenFile _ANSI_ARGS_((Tcl_Interp *interp,
			    char *string, int write, int checkUsage,
			    ClientData *filePtr));
EXTERN Tcl_Command	Tcl_GetOriginalCommand _ANSI_ARGS_((
			    Tcl_Command command));
EXTERN Tcl_PathType	Tcl_GetPathType _ANSI_ARGS_((char *path));
EXTERN int		Tcl_Gets _ANSI_ARGS_((Tcl_Channel chan,
        		    Tcl_DString *dsPtr));
EXTERN int		Tcl_GetsObj _ANSI_ARGS_((Tcl_Channel chan,
        		    Tcl_Obj *objPtr));
EXTERN int		Tcl_GetServiceMode _ANSI_ARGS_((void));
EXTERN Tcl_Interp *	Tcl_GetSlave _ANSI_ARGS_((Tcl_Interp *interp,
			    char *slaveName));
EXTERN Tcl_Channel	Tcl_GetStdChannel _ANSI_ARGS_((int type));
EXTERN char *		Tcl_GetStringFromObj _ANSI_ARGS_((Tcl_Obj *objPtr,
			    int *lengthPtr));
EXTERN char *		Tcl_GetStringResult _ANSI_ARGS_((Tcl_Interp *interp));
EXTERN char *		Tcl_GetVar _ANSI_ARGS_((Tcl_Interp *interp,
			    char *varName, int flags));
EXTERN char *		Tcl_GetVar2 _ANSI_ARGS_((Tcl_Interp *interp,
			    char *part1, char *part2, int flags));
EXTERN int		Tcl_GlobalEval _ANSI_ARGS_((Tcl_Interp *interp,
			    char *command));
EXTERN int		Tcl_GlobalEvalObj _ANSI_ARGS_((Tcl_Interp *interp,
			    Tcl_Obj *objPtr));
EXTERN char *		Tcl_HashStats _ANSI_ARGS_((Tcl_HashTable *tablePtr));
EXTERN int		Tcl_HideCommand _ANSI_ARGS_((Tcl_Interp *interp,
		            char *cmdName, char *hiddenCmdToken));
EXTERN int		Tcl_Init _ANSI_ARGS_((Tcl_Interp *interp));
EXTERN void		Tcl_InitHashTable _ANSI_ARGS_((Tcl_HashTable *tablePtr,
			    int keyType));
EXTERN void		Tcl_InitMemory _ANSI_ARGS_((Tcl_Interp *interp));
EXTERN int		Tcl_InputBlocked _ANSI_ARGS_((Tcl_Channel chan));
EXTERN int		Tcl_InputBuffered _ANSI_ARGS_((Tcl_Channel chan));
EXTERN int		Tcl_InterpDeleted _ANSI_ARGS_((Tcl_Interp *interp));
EXTERN int		Tcl_IsSafe _ANSI_ARGS_((Tcl_Interp *interp));
EXTERN void		Tcl_InvalidateStringRep _ANSI_ARGS_((
			    Tcl_Obj *objPtr));
EXTERN char *		Tcl_JoinPath _ANSI_ARGS_((int argc, char **argv,
			    Tcl_DString *resultPtr));
EXTERN int		Tcl_LinkVar _ANSI_ARGS_((Tcl_Interp *interp,
			    char *varName, char *addr, int type));
EXTERN int		Tcl_ListObjAppendList _ANSI_ARGS_((
			    Tcl_Interp *interp, Tcl_Obj *listPtr, 
			    Tcl_Obj *elemListPtr));
EXTERN int		Tcl_ListObjAppendElement _ANSI_ARGS_((
			    Tcl_Interp *interp, Tcl_Obj *listPtr,
			    Tcl_Obj *objPtr));
EXTERN int		Tcl_ListObjGetElements _ANSI_ARGS_((
			    Tcl_Interp *interp, Tcl_Obj *listPtr,
			    int *objcPtr, Tcl_Obj ***objvPtr));
EXTERN int		Tcl_ListObjIndex _ANSI_ARGS_((Tcl_Interp *interp,
			    Tcl_Obj *listPtr, int index, 
			    Tcl_Obj **objPtrPtr));
EXTERN int		Tcl_ListObjLength _ANSI_ARGS_((Tcl_Interp *interp,
			    Tcl_Obj *listPtr, int *intPtr));
EXTERN int		Tcl_ListObjReplace _ANSI_ARGS_((Tcl_Interp *interp,
			    Tcl_Obj *listPtr, int first, int count,
			    int objc, Tcl_Obj *CONST objv[]));
EXTERN void		Tcl_Main _ANSI_ARGS_((int argc, char **argv,
			    Tcl_AppInitProc *appInitProc));
EXTERN Tcl_Channel	Tcl_MakeFileChannel _ANSI_ARGS_((ClientData handle,
			    int mode));
EXTERN int		Tcl_MakeSafe _ANSI_ARGS_((Tcl_Interp *interp));
EXTERN Tcl_Channel	Tcl_MakeTcpClientChannel _ANSI_ARGS_((
    			    ClientData tcpSocket));
EXTERN char *		Tcl_Merge _ANSI_ARGS_((int argc, char **argv));
EXTERN Tcl_HashEntry *	Tcl_NextHashEntry _ANSI_ARGS_((
			    Tcl_HashSearch *searchPtr));
EXTERN void		Tcl_NotifyChannel _ANSI_ARGS_((Tcl_Channel channel,
			    int mask));
EXTERN Tcl_Obj *	Tcl_ObjGetVar2 _ANSI_ARGS_((Tcl_Interp *interp,
			    Tcl_Obj *part1Ptr, Tcl_Obj *part2Ptr,
			    int flags));
EXTERN Tcl_Obj *	Tcl_ObjSetVar2 _ANSI_ARGS_((Tcl_Interp *interp,
			    Tcl_Obj *part1Ptr, Tcl_Obj *part2Ptr,
			    Tcl_Obj *newValuePtr, int flags));
EXTERN Tcl_Channel	Tcl_OpenCommandChannel _ANSI_ARGS_((
    			    Tcl_Interp *interp, int argc, char **argv,
			    int flags));
EXTERN Tcl_Channel	Tcl_OpenFileChannel _ANSI_ARGS_((Tcl_Interp *interp,
        		    char *fileName, char *modeString,
                            int permissions));
EXTERN Tcl_Channel	Tcl_OpenTcpClient _ANSI_ARGS_((Tcl_Interp *interp,
			    int port, char *address, char *myaddr,
		            int myport, int async));
EXTERN Tcl_Channel	Tcl_OpenTcpServer _ANSI_ARGS_((Tcl_Interp *interp,
		            int port, char *host,
        		    Tcl_TcpAcceptProc *acceptProc,
			    ClientData callbackData));
EXTERN char *		Tcl_ParseVar _ANSI_ARGS_((Tcl_Interp *interp,
			    char *string, char **termPtr));
EXTERN int		Tcl_PkgProvide _ANSI_ARGS_((Tcl_Interp *interp,
			    char *name, char *version));
EXTERN char *		Tcl_PkgRequire _ANSI_ARGS_((Tcl_Interp *interp,
			    char *name, char *version, int exact));
EXTERN char *		Tcl_PosixError _ANSI_ARGS_((Tcl_Interp *interp));
EXTERN void		Tcl_Preserve _ANSI_ARGS_((ClientData data));
EXTERN void		Tcl_PrintDouble _ANSI_ARGS_((Tcl_Interp *interp,
			    double value, char *dst));
EXTERN int		Tcl_PutEnv _ANSI_ARGS_((CONST char *string));
EXTERN void		Tcl_QueueEvent _ANSI_ARGS_((Tcl_Event *evPtr,
			    Tcl_QueuePosition position));
EXTERN int		Tcl_Read _ANSI_ARGS_((Tcl_Channel chan,
	        	    char *bufPtr, int toRead));
EXTERN void		Tcl_ReapDetachedProcs _ANSI_ARGS_((void));
EXTERN int		Tcl_RecordAndEval _ANSI_ARGS_((Tcl_Interp *interp,
			    char *cmd, int flags));
EXTERN int		Tcl_RecordAndEvalObj _ANSI_ARGS_((Tcl_Interp *interp,
			    Tcl_Obj *cmdPtr, int flags));
EXTERN Tcl_RegExp	Tcl_RegExpCompile _ANSI_ARGS_((Tcl_Interp *interp,
			    char *string));
EXTERN int		Tcl_RegExpExec _ANSI_ARGS_((Tcl_Interp *interp,
			    Tcl_RegExp regexp, char *string, char *start));
EXTERN int		Tcl_RegExpMatch _ANSI_ARGS_((Tcl_Interp *interp,
			    char *string, char *pattern));
EXTERN void		Tcl_RegExpRange _ANSI_ARGS_((Tcl_RegExp regexp,
			    int index, char **startPtr, char **endPtr));
EXTERN void		Tcl_RegisterChannel _ANSI_ARGS_((Tcl_Interp *interp,
	        	    Tcl_Channel chan));
EXTERN void		Tcl_RegisterObjType _ANSI_ARGS_((
			    Tcl_ObjType *typePtr));
EXTERN void		Tcl_Release _ANSI_ARGS_((ClientData clientData));
EXTERN int		Tcl_RemoveInterpResolvers _ANSI_ARGS_((
			    Tcl_Interp *interp, char *name));
EXTERN void		Tcl_RestartIdleTimer _ANSI_ARGS_((void));
EXTERN void		Tcl_ResetResult _ANSI_ARGS_((Tcl_Interp *interp));
#define Tcl_Return Tcl_SetResult
EXTERN int		Tcl_ScanCountedElement _ANSI_ARGS_((CONST char *string,
			    int length, int *flagPtr));
EXTERN int		Tcl_ScanElement _ANSI_ARGS_((CONST char *string,
			    int *flagPtr));
EXTERN int		Tcl_Seek _ANSI_ARGS_((Tcl_Channel chan,
        		    int offset, int mode));
EXTERN int		Tcl_ServiceAll _ANSI_ARGS_((void));
EXTERN int		Tcl_ServiceEvent _ANSI_ARGS_((int flags));
EXTERN void		Tcl_SetAssocData _ANSI_ARGS_((Tcl_Interp *interp,
                            char *name, Tcl_InterpDeleteProc *proc,
                            ClientData clientData));
EXTERN void		Tcl_SetBooleanObj _ANSI_ARGS_((Tcl_Obj *objPtr, 
			    int boolValue));
EXTERN void		Tcl_SetChannelBufferSize _ANSI_ARGS_((
			    Tcl_Channel chan, int sz));
EXTERN int		Tcl_SetChannelOption _ANSI_ARGS_((
			    Tcl_Interp *interp, Tcl_Channel chan,
	        	    char *optionName, char *newValue));
EXTERN int		Tcl_SetCommandInfo _ANSI_ARGS_((Tcl_Interp *interp,
			    char *cmdName, Tcl_CmdInfo *infoPtr));
EXTERN void		Tcl_SetDoubleObj _ANSI_ARGS_((Tcl_Obj *objPtr, 
			    double doubleValue));
EXTERN void		Tcl_SetErrno _ANSI_ARGS_((int err));
EXTERN void		Tcl_SetErrorCode _ANSI_ARGS_(
    			    TCL_VARARGS(Tcl_Interp *,arg1));
EXTERN void		Tcl_SetIntObj _ANSI_ARGS_((Tcl_Obj *objPtr, 
			    int intValue));
EXTERN void		Tcl_SetListObj _ANSI_ARGS_((Tcl_Obj *objPtr, 
			    int objc, Tcl_Obj *CONST objv[]));
EXTERN void		Tcl_SetLongObj _ANSI_ARGS_((Tcl_Obj *objPtr, 
			    long longValue));
EXTERN void		Tcl_SetMaxBlockTime _ANSI_ARGS_((Tcl_Time *timePtr));
EXTERN void		Tcl_SetNamespaceResolvers _ANSI_ARGS_((
			    Tcl_Namespace *namespacePtr,
			    Tcl_ResolveCmdProc *cmdProc,
			    Tcl_ResolveVarProc *varProc,
			    Tcl_ResolveCompiledVarProc *compiledVarProc));
EXTERN void		Tcl_SetObjErrorCode _ANSI_ARGS_((Tcl_Interp *interp,
			    Tcl_Obj *errorObjPtr));
EXTERN void		Tcl_SetObjLength _ANSI_ARGS_((Tcl_Obj *objPtr,
			    int length));
EXTERN void		Tcl_SetObjResult _ANSI_ARGS_((Tcl_Interp *interp,
			    Tcl_Obj *resultObjPtr));
EXTERN void		Tcl_SetPanicProc _ANSI_ARGS_((void (*proc)
			    _ANSI_ARGS_(TCL_VARARGS(char *, format))));
EXTERN int		Tcl_SetRecursionLimit _ANSI_ARGS_((Tcl_Interp *interp,
			    int depth));
EXTERN void		Tcl_SetResult _ANSI_ARGS_((Tcl_Interp *interp,
			    char *string, Tcl_FreeProc *freeProc));
EXTERN int		Tcl_SetServiceMode _ANSI_ARGS_((int mode));
EXTERN void		Tcl_SetStdChannel _ANSI_ARGS_((Tcl_Channel channel,
			    int type));
EXTERN void		Tcl_SetStringObj _ANSI_ARGS_((Tcl_Obj *objPtr, 
			    char *bytes, int length));
EXTERN void		Tcl_SetTimer _ANSI_ARGS_((Tcl_Time *timePtr));
EXTERN char *		Tcl_SetVar _ANSI_ARGS_((Tcl_Interp *interp,
			    char *varName, char *newValue, int flags));
EXTERN char *		Tcl_SetVar2 _ANSI_ARGS_((Tcl_Interp *interp,
			    char *part1, char *part2, char *newValue,
			    int flags));
EXTERN char *		Tcl_SignalId _ANSI_ARGS_((int sig));
EXTERN char *		Tcl_SignalMsg _ANSI_ARGS_((int sig));
EXTERN void		Tcl_Sleep _ANSI_ARGS_((int ms));
EXTERN void		Tcl_SourceRCFile _ANSI_ARGS_((Tcl_Interp *interp));
EXTERN int		Tcl_SplitList _ANSI_ARGS_((Tcl_Interp *interp,
			    char *list, int *argcPtr, char ***argvPtr));
EXTERN void		Tcl_SplitPath _ANSI_ARGS_((char *path,
			    int *argcPtr, char ***argvPtr));
EXTERN void		Tcl_StaticPackage _ANSI_ARGS_((Tcl_Interp *interp,
			    char *pkgName, Tcl_PackageInitProc *initProc,
			    Tcl_PackageInitProc *safeInitProc));
EXTERN int		Tcl_StringMatch _ANSI_ARGS_((char *string,
			    char *pattern));
EXTERN int		Tcl_Tell _ANSI_ARGS_((Tcl_Channel chan));
#define Tcl_TildeSubst Tcl_TranslateFileName
EXTERN int		Tcl_TraceVar _ANSI_ARGS_((Tcl_Interp *interp,
			    char *varName, int flags, Tcl_VarTraceProc *proc,
			    ClientData clientData));
EXTERN int		Tcl_TraceVar2 _ANSI_ARGS_((Tcl_Interp *interp,
			    char *part1, char *part2, int flags,
			    Tcl_VarTraceProc *proc, ClientData clientData));
EXTERN char *		Tcl_TranslateFileName _ANSI_ARGS_((Tcl_Interp *interp,
			    char *name, Tcl_DString *bufferPtr));
EXTERN int		Tcl_Ungets _ANSI_ARGS_((Tcl_Channel chan, char *str,
			    int len, int atHead));
EXTERN void		Tcl_UnlinkVar _ANSI_ARGS_((Tcl_Interp *interp,
			    char *varName));
EXTERN int		Tcl_UnregisterChannel _ANSI_ARGS_((Tcl_Interp *interp,
			    Tcl_Channel chan));
EXTERN int		Tcl_UnsetVar _ANSI_ARGS_((Tcl_Interp *interp,
			    char *varName, int flags));
EXTERN int		Tcl_UnsetVar2 _ANSI_ARGS_((Tcl_Interp *interp,
			    char *part1, char *part2, int flags));
EXTERN void		Tcl_UntraceVar _ANSI_ARGS_((Tcl_Interp *interp,
			    char *varName, int flags, Tcl_VarTraceProc *proc,
			    ClientData clientData));
EXTERN void		Tcl_UntraceVar2 _ANSI_ARGS_((Tcl_Interp *interp,
			    char *part1, char *part2, int flags,
			    Tcl_VarTraceProc *proc, ClientData clientData));
EXTERN void		Tcl_UpdateLinkedVar _ANSI_ARGS_((Tcl_Interp *interp,
			    char *varName));
EXTERN int		Tcl_UpVar _ANSI_ARGS_((Tcl_Interp *interp,
			    char *frameName, char *varName,
			    char *localName, int flags));
EXTERN int		Tcl_UpVar2 _ANSI_ARGS_((Tcl_Interp *interp,
			    char *frameName, char *part1, char *part2,
			    char *localName, int flags));
EXTERN int		Tcl_VarEval _ANSI_ARGS_(
    			    TCL_VARARGS(Tcl_Interp *,interp));
EXTERN ClientData	Tcl_VarTraceInfo _ANSI_ARGS_((Tcl_Interp *interp,
			    char *varName, int flags,
			    Tcl_VarTraceProc *procPtr,
			    ClientData prevClientData));
EXTERN ClientData	Tcl_VarTraceInfo2 _ANSI_ARGS_((Tcl_Interp *interp,
			    char *part1, char *part2, int flags,
			    Tcl_VarTraceProc *procPtr,
			    ClientData prevClientData));
EXTERN int		Tcl_WaitForEvent _ANSI_ARGS_((Tcl_Time *timePtr));
EXTERN Tcl_Pid		Tcl_WaitPid _ANSI_ARGS_((Tcl_Pid pid, int *statPtr, 
			    int options));
EXTERN int		Tcl_Write _ANSI_ARGS_((Tcl_Channel chan,
			    char *s, int slen));
EXTERN void		Tcl_WrongNumArgs _ANSI_ARGS_((Tcl_Interp *interp,
			    int objc, Tcl_Obj *CONST objv[], char *message));

#endif /* RESOURCE_INCLUDED */
#endif /* _TCL */