summaryrefslogtreecommitdiff
path: root/src/globals.h
blob: 529901437a75484e5cafb25c2f929a5c82990703 (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
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
/* vi:set ts=8 sts=4 sw=4 noet:
 *
 * VIM - Vi IMproved	by Bram Moolenaar
 *
 * Do ":help uganda"  in Vim to read copying and usage conditions.
 * Do ":help credits" in Vim to see a list of people who contributed.
 */

/*
 * definition of global variables
 */

/*
 * Number of Rows and Columns in the screen.
 * Must be long to be able to use them as options in option.c.
 * Note: Use screen_Rows and screen_Columns to access items in ScreenLines[].
 * They may have different values when the screen wasn't (re)allocated yet
 * after setting Rows or Columns (e.g., when starting up).
 */
EXTERN long	Rows			// nr of rows in the screen
#ifdef DO_INIT
# if defined(MSWIN)
			    = 25L
# else
			    = 24L
# endif
#endif
			    ;
EXTERN long	Columns INIT(= 80);	// nr of columns in the screen

/*
 * The characters that are currently on the screen are kept in ScreenLines[].
 * It is a single block of characters, the size of the screen plus one line.
 * The attributes for those characters are kept in ScreenAttrs[].
 *
 * "LineOffset[n]" is the offset from ScreenLines[] for the start of line 'n'.
 * The same value is used for ScreenLinesUC[] and ScreenAttrs[].
 *
 * Note: before the screen is initialized and when out of memory these can be
 * NULL.
 */
EXTERN schar_T	*ScreenLines INIT(= NULL);
EXTERN sattr_T	*ScreenAttrs INIT(= NULL);
EXTERN unsigned	*LineOffset INIT(= NULL);
EXTERN char_u	*LineWraps INIT(= NULL);	// line wraps to next line

/*
 * When using Unicode characters (in UTF-8 encoding) the character in
 * ScreenLinesUC[] contains the Unicode for the character at this position, or
 * NUL when the character in ScreenLines[] is to be used (ASCII char).
 * The composing characters are to be drawn on top of the original character.
 * ScreenLinesC[0][off] is only to be used when ScreenLinesUC[off] != 0.
 * Note: These three are only allocated when enc_utf8 is set!
 */
EXTERN u8char_T	*ScreenLinesUC INIT(= NULL);	// decoded UTF-8 characters
EXTERN u8char_T	*ScreenLinesC[MAX_MCO];		// composing characters
EXTERN int	Screen_mco INIT(= 0);		// value of p_mco used when
						// allocating ScreenLinesC[]

// Only used for euc-jp: Second byte of a character that starts with 0x8e.
// These are single-width.
EXTERN schar_T	*ScreenLines2 INIT(= NULL);

/*
 * Buffer for one screen line (characters and attributes).
 */
EXTERN schar_T	*current_ScreenLine INIT(= NULL);

/*
 * Last known cursor position.
 * Positioning the cursor is reduced by remembering the last position.
 * Mostly used by windgoto() and screen_char().
 */
EXTERN int	screen_cur_row INIT(= 0);
EXTERN int	screen_cur_col INIT(= 0);

#ifdef FEAT_SEARCH_EXTRA
EXTERN match_T	screen_search_hl; // used for 'hlsearch' highlight matching
#endif

#ifdef FEAT_FOLDING
EXTERN foldinfo_T win_foldinfo;	// info for 'foldcolumn'
#endif

// Flag that is set when drawing for a callback, not from the main command
// loop.
EXTERN int redrawing_for_callback INIT(= 0);

/*
 * Indexes for tab page line:
 *	N > 0 for label of tab page N
 *	N == 0 for no label
 *	N < 0 for closing tab page -N
 *	N == -999 for closing current tab page
 */
EXTERN short	*TabPageIdxs INIT(= NULL);

#ifdef FEAT_PROP_POPUP
// Array with size Rows x Columns containing zindex of popups.
EXTERN short	*popup_mask INIT(= NULL);
EXTERN short	*popup_mask_next INIT(= NULL);
// Array with flags for transparent cells of current popup.
EXTERN char	*popup_transparent INIT(= NULL);

// Flag set to TRUE when popup_mask needs to be updated.
EXTERN int	popup_mask_refresh INIT(= TRUE);

// Tab that was used to fill popup_mask.
EXTERN tabpage_T *popup_mask_tab INIT(= NULL);

// Zindex in for screen_char(): if lower than the value in "popup_mask"
// drawing the character is skipped.
EXTERN int	screen_zindex INIT(= 0);
#endif

EXTERN int	screen_Rows INIT(= 0);	    // actual size of ScreenLines[]
EXTERN int	screen_Columns INIT(= 0);   // actual size of ScreenLines[]

/*
 * When vgetc() is called, it sets mod_mask to the set of modifiers that are
 * held down based on the MOD_MASK_* symbols that are read first.
 */
EXTERN int	mod_mask INIT(= 0);		// current key modifiers

// The value of "mod_mask" and the unomdified character before calling
// merge_modifyOtherKeys().
EXTERN int	vgetc_mod_mask INIT(= 0);
EXTERN int	vgetc_char INIT(= 0);

/*
 * Cmdline_row is the row where the command line starts, just below the
 * last window.
 * When the cmdline gets longer than the available space the screen gets
 * scrolled up. After a CTRL-D (show matches), after hitting ':' after
 * "hit return", and for the :global command, the command line is
 * temporarily moved.  The old position is restored with the next call to
 * update_screen().
 */
EXTERN int	cmdline_row;

EXTERN int	redraw_cmdline INIT(= FALSE);	// cmdline must be redrawn
EXTERN int	redraw_mode INIT(= FALSE);	// mode must be redrawn
EXTERN int	clear_cmdline INIT(= FALSE);	// cmdline must be cleared
EXTERN int	mode_displayed INIT(= FALSE);	// mode is being displayed
EXTERN int	no_win_do_lines_ins INIT(= FALSE); // don't insert lines
#if defined(FEAT_CRYPT) || defined(FEAT_EVAL)
EXTERN int	cmdline_star INIT(= FALSE);	// cmdline is crypted
#endif

EXTERN int	exec_from_reg INIT(= FALSE);	// executing register

EXTERN int	screen_cleared INIT(= FALSE);	// screen has been cleared

/*
 * When '$' is included in 'cpoptions' option set:
 * When a change command is given that deletes only part of a line, a dollar
 * is put at the end of the changed text. dollar_vcol is set to the virtual
 * column of this '$'.  -1 is used to indicate no $ is being displayed.
 */
EXTERN colnr_T	dollar_vcol INIT(= -1);

/*
 * Variables for Insert mode completion.
 */

// Length in bytes of the text being completed (this is deleted to be replaced
// by the match.)
EXTERN int	compl_length INIT(= 0);

// List of flags for method of completion.
EXTERN int	compl_cont_status INIT(= 0);
# define CONT_ADDING	1	// "normal" or "adding" expansion
# define CONT_INTRPT	(2 + 4)	// a ^X interrupted the current expansion
				// it's set only iff N_ADDS is set
# define CONT_N_ADDS	4	// next ^X<> will add-new or expand-current
# define CONT_S_IPOS	8	// next ^X<> will set initial_pos?
				// if so, word-wise-expansion will set SOL
# define CONT_SOL	16	// pattern includes start of line, just for
				// word-wise expansion, not set for ^X^L
# define CONT_LOCAL	32	// for ctrl_x_mode 0, ^X^P/^X^N do a local
				// expansion, (eg use complete=.)

EXTERN char_u	*edit_submode INIT(= NULL); // msg for CTRL-X submode
EXTERN char_u	*edit_submode_pre INIT(= NULL); // prepended to edit_submode
EXTERN char_u	*edit_submode_extra INIT(= NULL);// appended to edit_submode
EXTERN hlf_T	edit_submode_highl;	// highl. method for extra info

/*
 * Functions for putting characters in the command line,
 * while keeping ScreenLines[] updated.
 */
#ifdef FEAT_RIGHTLEFT
EXTERN int	cmdmsg_rl INIT(= FALSE);    // cmdline is drawn right to left
#endif
EXTERN int	msg_col;
EXTERN int	msg_row;
EXTERN int	msg_scrolled;	// Number of screen lines that windows have
				// scrolled because of printing messages.
EXTERN int	msg_scrolled_ign INIT(= FALSE);
				// when TRUE don't set need_wait_return in
				// msg_puts_attr() when msg_scrolled is
				// non-zero

EXTERN char_u	*keep_msg INIT(= NULL);	    // msg to be shown after redraw
EXTERN int	keep_msg_attr INIT(= 0);    // highlight attr for keep_msg
EXTERN int	keep_msg_more INIT(= FALSE); // keep_msg was set by msgmore()
EXTERN int	need_fileinfo INIT(= FALSE);// do fileinfo() after redraw
EXTERN int	msg_scroll INIT(= FALSE);   // msg_start() will scroll
EXTERN int	msg_didout INIT(= FALSE);   // msg_outstr() was used in line
EXTERN int	msg_didany INIT(= FALSE);   // msg_outstr() was used at all
EXTERN int	msg_nowait INIT(= FALSE);   // don't wait for this msg
EXTERN int	emsg_off INIT(= 0);	    // don't display errors for now,
					    // unless 'debug' is set.
EXTERN int	info_message INIT(= FALSE); // printing informative message
EXTERN int      msg_hist_off INIT(= FALSE); // don't add messages to history
#ifdef FEAT_EVAL
EXTERN int	need_clr_eos INIT(= FALSE); // need to clear text before
					    // displaying a message.
EXTERN int	emsg_skip INIT(= 0);	    // don't display errors for
					    // expression that is skipped
EXTERN int	emsg_severe INIT(= FALSE);  // use message of next of several
					    // emsg() calls for throw
// used by assert_fails()
EXTERN char_u	*emsg_assert_fails_msg INIT(= NULL);
EXTERN long	emsg_assert_fails_lnum INIT(= 0);
EXTERN char_u	*emsg_assert_fails_context INIT(= NULL);

EXTERN int	did_endif INIT(= FALSE);    // just had ":endif"
#endif
EXTERN int	did_emsg;		    // set by emsg() when the message
					    // is displayed or thrown
#ifdef FEAT_EVAL
EXTERN int	did_emsg_silent INIT(= 0);  // incremented by emsg() when
					    // emsg_silent was set and did_emsg
					    // is not incremented
EXTERN int	did_emsg_def;		    // set by emsg() when emsg_silent
					    // is set before calling a function
EXTERN int	did_emsg_cumul;		    // cumulative did_emsg, increased
					    // when did_emsg is reset.
EXTERN int	called_vim_beep;	    // set if vim_beep() is called
EXTERN int	did_uncaught_emsg;	    // emsg() was called and did not
					    // cause an exception
#endif
EXTERN int	did_emsg_syntax;	    // did_emsg set because of a
					    // syntax error
EXTERN int	called_emsg;		    // always incremented by emsg()
EXTERN int	ex_exitval INIT(= 0);	    // exit value for ex mode
EXTERN int	emsg_on_display INIT(= FALSE);	// there is an error message
EXTERN int	rc_did_emsg INIT(= FALSE);  // vim_regcomp() called emsg()

EXTERN int	no_wait_return INIT(= 0);   // don't wait for return for now
EXTERN int	need_wait_return INIT(= 0); // need to wait for return later
EXTERN int	did_wait_return INIT(= FALSE);	// wait_return() was used and
						// nothing written since then
#ifdef FEAT_TITLE
EXTERN int	need_maketitle INIT(= TRUE); // call maketitle() soon
#endif

EXTERN int	quit_more INIT(= FALSE);    // 'q' hit at "--more--" msg
#if defined(UNIX) || defined(VMS) || defined(MACOS_X)
EXTERN int	newline_on_exit INIT(= FALSE);	// did msg in altern. screen
EXTERN int	intr_char INIT(= 0);	    // extra interrupt character
#endif
#if (defined(UNIX) || defined(VMS)) && defined(FEAT_X11)
EXTERN int	x_no_connect INIT(= FALSE); // don't connect to X server
# if defined(FEAT_CLIENTSERVER)
EXTERN int	x_force_connect INIT(= FALSE);	// Do connect to X server.
						// Overrules x_no_connect and
						// "exclude" in 'clipboard'.
# endif
#endif
EXTERN int	ex_keep_indent INIT(= FALSE); // getexmodeline(): keep indent
EXTERN int	vgetc_busy INIT(= 0);	      // when inside vgetc() then > 0

EXTERN int	didset_vim INIT(= FALSE);	    // did set $VIM ourselves
EXTERN int	didset_vimruntime INIT(= FALSE);    // idem for $VIMRUNTIME

/*
 * Lines left before a "more" message.	Ex mode needs to be able to reset this
 * after you type something.
 */
EXTERN int	lines_left INIT(= -1);	    // lines left for listing
EXTERN int	msg_no_more INIT(= FALSE);  // don't use more prompt, truncate
					    // messages

/*
 * Stack of execution contexts.  Each entry is an estack_T.
 * Current context is at ga_len - 1.
 */
EXTERN garray_T	exestack INIT5(0, 0, sizeof(estack_T), 50, NULL);
// name of error message source
#define SOURCING_NAME (((estack_T *)exestack.ga_data)[exestack.ga_len - 1].es_name)
// line number in the message source or zero
#define SOURCING_LNUM (((estack_T *)exestack.ga_data)[exestack.ga_len - 1].es_lnum)

// Script CTX being sourced or was sourced to define the current function.
EXTERN sctx_T	current_sctx
#ifdef FEAT_EVAL
    INIT4(0, 0, 0, 0);
#else
    INIT(= {0});
#endif

#ifdef FEAT_EVAL
// whether inside compile_def_function()
EXTERN int	estack_compiling INIT(= FALSE);

EXTERN int	ex_nesting_level INIT(= 0);	// nesting level
EXTERN int	debug_break_level INIT(= -1);	// break below this level
EXTERN int	debug_did_msg INIT(= FALSE);	// did "debug mode" message
EXTERN int	debug_tick INIT(= 0);		// breakpoint change count
EXTERN int	debug_backtrace_level INIT(= 0); // breakpoint backtrace level
# ifdef FEAT_PROFILE
EXTERN int	do_profiling INIT(= PROF_NONE);	// PROF_ values
# endif
EXTERN garray_T script_items INIT5(0, 0, sizeof(scriptitem_T *), 20, NULL);
# define SCRIPT_ITEM(id)    (((scriptitem_T **)script_items.ga_data)[(id) - 1])
# define SCRIPT_ID_VALID(id)    ((id) > 0 && (id) <= script_items.ga_len)
# define SCRIPT_SV(id)		(SCRIPT_ITEM(id)->sn_vars)
# define SCRIPT_VARS(id)	(SCRIPT_SV(id)->sv_dict.dv_hashtab)

# define FUNCLINE(fp, j)	((char_u **)(fp->uf_lines.ga_data))[j]

/*
 * The exception currently being thrown.  Used to pass an exception to
 * a different cstack.  Also used for discarding an exception before it is
 * caught or made pending.  Only valid when did_throw is TRUE.
 */
EXTERN except_T *current_exception;

/*
 * did_throw: An exception is being thrown.  Reset when the exception is caught
 * or as long as it is pending in a finally clause.
 */
EXTERN int did_throw INIT(= FALSE);

/*
 * need_rethrow: set to TRUE when a throw that cannot be handled in do_cmdline()
 * must be propagated to the cstack of the previously called do_cmdline().
 */
EXTERN int need_rethrow INIT(= FALSE);

/*
 * check_cstack: set to TRUE when a ":finish" or ":return" that cannot be
 * handled in do_cmdline() must be propagated to the cstack of the previously
 * called do_cmdline().
 */
EXTERN int check_cstack INIT(= FALSE);

/*
 * Number of nested try conditionals (across function calls and ":source"
 * commands).
 */
EXTERN int trylevel INIT(= 0);

/*
 * When "force_abort" is TRUE, always skip commands after an error message,
 * even after the outermost ":endif", ":endwhile" or ":endfor" or for a
 * function without the "abort" flag.  It is set to TRUE when "trylevel" is
 * non-zero (and ":silent!" was not used) or an exception is being thrown at
 * the time an error is detected.  It is set to FALSE when "trylevel" gets
 * zero again and there was no error or interrupt or throw.
 */
EXTERN int force_abort INIT(= FALSE);

/*
 * "msg_list" points to a variable in the stack of do_cmdline() which keeps
 * the list of arguments of several emsg() calls, one of which is to be
 * converted to an error exception immediately after the failing command
 * returns.  The message to be used for the exception value is pointed to by
 * the "throw_msg" field of the first element in the list.  It is usually the
 * same as the "msg" field of that element, but can be identical to the "msg"
 * field of a later list element, when the "emsg_severe" flag was set when the
 * emsg() call was made.
 */
EXTERN msglist_T **msg_list INIT(= NULL);

/*
 * suppress_errthrow: When TRUE, don't convert an error to an exception.  Used
 * when displaying the interrupt message or reporting an exception that is still
 * uncaught at the top level (which has already been discarded then).  Also used
 * for the error message when no exception can be thrown.
 */
EXTERN int suppress_errthrow INIT(= FALSE);

/*
 * The stack of all caught and not finished exceptions.  The exception on the
 * top of the stack is the one got by evaluation of v:exception.  The complete
 * stack of all caught and pending exceptions is embedded in the various
 * cstacks; the pending exceptions, however, are not on the caught stack.
 */
EXTERN except_T *caught_stack INIT(= NULL);

/*
 * Garbage collection can only take place when we are sure there are no Lists
 * or Dictionaries being used internally.  This is flagged with
 * "may_garbage_collect" when we are at the toplevel.
 * "want_garbage_collect" is set by the garbagecollect() function, which means
 * we do garbage collection before waiting for a char at the toplevel.
 * "garbage_collect_at_exit" indicates garbagecollect(1) was called.
 */
EXTERN int	may_garbage_collect INIT(= FALSE);
EXTERN int	want_garbage_collect INIT(= FALSE);
EXTERN int	garbage_collect_at_exit INIT(= FALSE);


// Commonly used types.
EXTERN type_T t_unknown INIT6(VAR_UNKNOWN, 0, 0, TTFLAG_STATIC, NULL, NULL);
EXTERN type_T t_any INIT6(VAR_ANY, 0, 0, TTFLAG_STATIC, NULL, NULL);
EXTERN type_T t_void INIT6(VAR_VOID, 0, 0, TTFLAG_STATIC, NULL, NULL);
EXTERN type_T t_bool INIT6(VAR_BOOL, 0, 0, TTFLAG_STATIC, NULL, NULL);
EXTERN type_T t_special INIT6(VAR_SPECIAL, 0, 0, TTFLAG_STATIC, NULL, NULL);
EXTERN type_T t_number INIT6(VAR_NUMBER, 0, 0, TTFLAG_STATIC, NULL, NULL);
EXTERN type_T t_number_bool INIT6(VAR_NUMBER, 0, 0, TTFLAG_STATIC|TTFLAG_BOOL_OK, NULL, NULL);
EXTERN type_T t_float INIT6(VAR_FLOAT, 0, 0, TTFLAG_STATIC, NULL, NULL);
EXTERN type_T t_string INIT6(VAR_STRING, 0, 0, TTFLAG_STATIC, NULL, NULL);
EXTERN type_T t_blob INIT6(VAR_BLOB, 0, 0, TTFLAG_STATIC, NULL, NULL);
EXTERN type_T t_job INIT6(VAR_JOB, 0, 0, TTFLAG_STATIC, NULL, NULL);
EXTERN type_T t_channel INIT6(VAR_CHANNEL, 0, 0, TTFLAG_STATIC, NULL, NULL);

// Special value used for @#.
EXTERN type_T t_number_or_string INIT6(VAR_STRING, 0, 0, TTFLAG_STATIC, NULL, NULL);

EXTERN type_T t_func_unknown INIT6(VAR_FUNC, -1, -1, TTFLAG_STATIC, &t_unknown, NULL);
EXTERN type_T t_func_void INIT6(VAR_FUNC, -1, 0, TTFLAG_STATIC, &t_void, NULL);
EXTERN type_T t_func_any INIT6(VAR_FUNC, -1, 0, TTFLAG_STATIC, &t_any, NULL);
EXTERN type_T t_func_number INIT6(VAR_FUNC, -1, 0, TTFLAG_STATIC, &t_number, NULL);
EXTERN type_T t_func_string INIT6(VAR_FUNC, -1, 0, TTFLAG_STATIC, &t_string, NULL);
EXTERN type_T t_func_0_void INIT6(VAR_FUNC, 0, 0, TTFLAG_STATIC, &t_void, NULL);
EXTERN type_T t_func_0_any INIT6(VAR_FUNC, 0, 0, TTFLAG_STATIC, &t_any, NULL);
EXTERN type_T t_func_0_number INIT6(VAR_FUNC, 0, 0, TTFLAG_STATIC, &t_number, NULL);
EXTERN type_T t_func_0_string INIT6(VAR_FUNC, 0, 0, TTFLAG_STATIC, &t_string, NULL);

EXTERN type_T t_list_any INIT6(VAR_LIST, 0, 0, TTFLAG_STATIC, &t_any, NULL);
EXTERN type_T t_dict_any INIT6(VAR_DICT, 0, 0, TTFLAG_STATIC, &t_any, NULL);
EXTERN type_T t_list_empty INIT6(VAR_LIST, 0, 0, TTFLAG_STATIC, &t_unknown, NULL);
EXTERN type_T t_dict_empty INIT6(VAR_DICT, 0, 0, TTFLAG_STATIC, &t_unknown, NULL);

EXTERN type_T t_list_bool INIT6(VAR_LIST, 0, 0, TTFLAG_STATIC, &t_bool, NULL);
EXTERN type_T t_list_number INIT6(VAR_LIST, 0, 0, TTFLAG_STATIC, &t_number, NULL);
EXTERN type_T t_list_string INIT6(VAR_LIST, 0, 0, TTFLAG_STATIC, &t_string, NULL);
EXTERN type_T t_list_job INIT6(VAR_LIST, 0, 0, TTFLAG_STATIC, &t_job, NULL);
EXTERN type_T t_list_dict_any INIT6(VAR_LIST, 0, 0, TTFLAG_STATIC, &t_dict_any, NULL);
EXTERN type_T t_list_list_any INIT6(VAR_LIST, 0, 0, TTFLAG_STATIC, &t_list_any, NULL);
EXTERN type_T t_list_list_string INIT6(VAR_LIST, 0, 0, TTFLAG_STATIC, &t_list_string, NULL);

EXTERN type_T t_dict_bool INIT6(VAR_DICT, 0, 0, TTFLAG_STATIC, &t_bool, NULL);
EXTERN type_T t_dict_number INIT6(VAR_DICT, 0, 0, TTFLAG_STATIC, &t_number, NULL);
EXTERN type_T t_dict_string INIT6(VAR_DICT, 0, 0, TTFLAG_STATIC, &t_string, NULL);

#endif

EXTERN int	did_source_packages INIT(= FALSE);

// Magic number used for hashitem "hi_key" value indicating a deleted item.
// Only the address is used.
EXTERN char_u	hash_removed;


EXTERN int	scroll_region INIT(= FALSE); // term supports scroll region
EXTERN int	t_colors INIT(= 0);	    // int value of T_CCO

// Flags to indicate an additional string for highlight name completion.
EXTERN int include_none INIT(= 0);	// when 1 include "None"
EXTERN int include_default INIT(= 0);	// when 1 include "default"
EXTERN int include_link INIT(= 0);	// when 2 include "link" and "clear"

/*
 * When highlight_match is TRUE, highlight a match, starting at the cursor
 * position.  Search_match_lines is the number of lines after the match (0 for
 * a match within one line), search_match_endcol the column number of the
 * character just after the match in the last line.
 */
EXTERN int	highlight_match INIT(= FALSE);	// show search match pos
EXTERN linenr_T	search_match_lines;		// lines of matched string
EXTERN colnr_T	search_match_endcol;		// col nr of match end
#ifdef FEAT_SEARCH_EXTRA
EXTERN linenr_T	search_first_line INIT(= 0);	  // for :{FIRST},{last}s/pat
EXTERN linenr_T	search_last_line INIT(= MAXLNUM); // for :{first},{LAST}s/pat
#endif

EXTERN int	no_smartcase INIT(= FALSE);	// don't use 'smartcase' once

EXTERN int	need_check_timestamps INIT(= FALSE); // need to check file
						     // timestamps asap
EXTERN int	did_check_timestamps INIT(= FALSE); // did check timestamps
						    // recently
EXTERN int	no_check_timestamps INIT(= 0);	// Don't check timestamps

EXTERN int	highlight_attr[HLF_COUNT];  // Highl. attr for each context.
#ifdef FEAT_STL_OPT
# define USER_HIGHLIGHT
#endif
#ifdef USER_HIGHLIGHT
EXTERN int	highlight_user[9];		// User[1-9] attributes
# ifdef FEAT_STL_OPT
EXTERN int	highlight_stlnc[9];		// On top of user
#  ifdef FEAT_TERMINAL
EXTERN int	highlight_stlterm[9];		// On top of user
EXTERN int	highlight_stltermnc[9];		// On top of user
#  endif
# endif
#endif
#ifdef FEAT_TERMINAL
		// When TRUE skip calling terminal_loop() once.  Used when
		// typing ':' at the more prompt.
EXTERN int	skip_term_loop INIT(= FALSE);
#endif
#ifdef FEAT_GUI
EXTERN char_u	*use_gvimrc INIT(= NULL);	// "-U" cmdline argument
#endif
EXTERN int	cterm_normal_fg_color INIT(= 0);
EXTERN int	cterm_normal_fg_bold INIT(= 0);
EXTERN int	cterm_normal_bg_color INIT(= 0);
EXTERN int	cterm_normal_ul_color INIT(= 0);
#ifdef FEAT_TERMGUICOLORS
EXTERN guicolor_T cterm_normal_fg_gui_color INIT(= INVALCOLOR);
EXTERN guicolor_T cterm_normal_bg_gui_color INIT(= INVALCOLOR);
EXTERN guicolor_T cterm_normal_ul_gui_color INIT(= INVALCOLOR);
#endif
#ifdef FEAT_TERMRESPONSE
EXTERN int	is_mac_terminal INIT(= FALSE);  // recognized Terminal.app
#endif

EXTERN int	autocmd_busy INIT(= FALSE);	// Is apply_autocmds() busy?
EXTERN int	autocmd_no_enter INIT(= FALSE); // *Enter autocmds disabled
EXTERN int	autocmd_no_leave INIT(= FALSE); // *Leave autocmds disabled

EXTERN int	modified_was_set;		// did ":set modified"
EXTERN int	did_filetype INIT(= FALSE);	// FileType event found
EXTERN int	keep_filetype INIT(= FALSE);	// value for did_filetype when
						// starting to execute
						// autocommands

// Set by the apply_autocmds_group function if the given event is equal to
// EVENT_FILETYPE. Used by the readfile function in order to determine if
// EVENT_BUFREADPOST triggered the EVENT_FILETYPE.
//
// Relying on this value requires one to reset it prior calling
// apply_autocmds_group.
EXTERN int	au_did_filetype INIT(= FALSE);

// When deleting the current buffer, another one must be loaded.  If we know
// which one is preferred, au_new_curbuf is set to it
EXTERN bufref_T	au_new_curbuf INIT3(NULL, 0, 0);

// When deleting a buffer/window and autocmd_busy is TRUE, do not free the
// buffer/window. but link it in the list starting with
// au_pending_free_buf/ap_pending_free_win, using b_next/w_next.
// Free the buffer/window when autocmd_busy is being set to FALSE.
EXTERN buf_T	*au_pending_free_buf INIT(= NULL);
EXTERN win_T	*au_pending_free_win INIT(= NULL);

/*
 * Mouse coordinates, set by check_termcode()
 */
EXTERN int	mouse_row;
EXTERN int	mouse_col;
EXTERN int	mouse_past_bottom INIT(= FALSE);// mouse below last line
EXTERN int	mouse_past_eol INIT(= FALSE);	// mouse right of line
EXTERN int	mouse_dragging INIT(= 0);	// extending Visual area with
						// mouse dragging
#if defined(FEAT_MOUSE_DEC)
/*
 * When the DEC mouse has been pressed but not yet released we enable
 * automatic queries for the mouse position.
 */
EXTERN int	WantQueryMouse INIT(= FALSE);
#endif

#ifdef FEAT_GUI
// When the window layout is about to be changed, need_mouse_correct is set,
// so that gui_mouse_correct() is called afterwards, to correct the mouse
// pointer when focus-follow-mouse is being used.
EXTERN int	need_mouse_correct INIT(= FALSE);

// When double clicking, topline must be the same
EXTERN linenr_T gui_prev_topline INIT(= 0);
# ifdef FEAT_DIFF
EXTERN int	gui_prev_topfill INIT(= 0);
# endif
#endif

# ifdef FEAT_MOUSESHAPE
EXTERN int	drag_status_line INIT(= FALSE);	// dragging the status line
EXTERN int	postponed_mouseshape INIT(= FALSE); // postponed updating the
						    // mouse pointer shape
EXTERN int	drag_sep_line INIT(= FALSE);	// dragging vert separator
# endif


#ifdef FEAT_DIFF
// Value set from 'diffopt'.
EXTERN int	diff_context INIT(= 6);		// context for folds
EXTERN int	diff_foldcolumn INIT(= 2);	// 'foldcolumn' for diff mode
EXTERN int	diff_need_scrollbind INIT(= FALSE);
#endif

// While redrawing the screen this flag is set.  It means the screen size
// ('lines' and 'rows') must not be changed.
EXTERN int	updating_screen INIT(= FALSE);

#ifdef MESSAGE_QUEUE
// While closing windows or buffers messages should not be handled to avoid
// using invalid windows or buffers.
EXTERN int	dont_parse_messages INIT(= FALSE);
#endif

#ifdef FEAT_MENU
// The root of the menu hierarchy.
EXTERN vimmenu_T	*root_menu INIT(= NULL);
/*
 * While defining the system menu, sys_menu is TRUE.  This avoids
 * overruling of menus that the user already defined.
 */
EXTERN int	sys_menu INIT(= FALSE);

#define FOR_ALL_MENUS(m) for ((m) = root_menu; (m) != NULL; (m) = (m)->next)
#define FOR_ALL_CHILD_MENUS(p, c) \
    for ((c) = (p)->children; (c) != NULL; (c) = (c)->next)
#endif

#ifdef FEAT_GUI
# ifdef FEAT_MENU
// Menu item just selected, set by check_termcode()
EXTERN vimmenu_T	*current_menu;

// Set to TRUE after adding/removing menus to ensure they are updated
EXTERN int force_menu_update INIT(= FALSE);
# endif
# ifdef FEAT_GUI_TABLINE
// Tab in tab pages line just selected, set by check_termcode()
EXTERN int	    current_tab;

// Menu entry in tab pages line menu just selected, set by check_termcode()
EXTERN int	    current_tabmenu;
#  define TABLINE_MENU_CLOSE	1
#  define TABLINE_MENU_NEW	2
#  define TABLINE_MENU_OPEN	3
# endif

// Scrollbar moved and new value, set by check_termcode()
EXTERN int	current_scrollbar;
EXTERN long_u	scrollbar_value;

// found "-rv" or "-reverse" in command line args
EXTERN int	found_reverse_arg INIT(= FALSE);

// "-fn" or "-font" command line argument
EXTERN char	*font_argument INIT(= NULL);

# ifdef FEAT_GUI_GTK
// "-bg" or "-background" command line argument
EXTERN char	*background_argument INIT(= NULL);

// "-fg" or "-foreground" command line argument
EXTERN char	*foreground_argument INIT(= NULL);
# endif

/*
 * While executing external commands or in Ex mode, should not insert GUI
 * events in the input buffer: Set hold_gui_events to non-zero.
 *
 * volatile because it is used in signal handler sig_sysmouse().
 */
EXTERN volatile sig_atomic_t hold_gui_events INIT(= 0);

/*
 * When resizing the shell is postponed, remember the new size, and call
 * gui_resize_shell() later.
 */
EXTERN int	new_pixel_width INIT(= 0);
EXTERN int	new_pixel_height INIT(= 0);

// Window position from ":winpos", to be used when opening the GUI window.
EXTERN int	gui_win_x INIT(= -1);
EXTERN int	gui_win_y INIT(= -1);
#endif

#ifdef FEAT_CLIPBOARD
EXTERN Clipboard_T clip_star;	// PRIMARY selection in X11
# ifdef FEAT_X11
EXTERN Clipboard_T clip_plus;	// CLIPBOARD selection in X11
# else
#  define clip_plus clip_star	// there is only one clipboard
#  define ONE_CLIPBOARD
# endif

# define CLIP_UNNAMED      1
# define CLIP_UNNAMED_PLUS 2
EXTERN int	clip_unnamed INIT(= 0); // above two values or'ed

EXTERN int	clip_autoselect_star INIT(= FALSE);
EXTERN int	clip_autoselect_plus INIT(= FALSE);
EXTERN int	clip_autoselectml INIT(= FALSE);
EXTERN int	clip_html INIT(= FALSE);
EXTERN regprog_T *clip_exclude_prog INIT(= NULL);
EXTERN int	clip_unnamed_saved INIT(= 0);
#endif

/*
 * All regular windows are linked in a list. "firstwin" points to the first
 * entry, "lastwin" to the last entry (can be the same as firstwin) and
 * "curwin" to the currently active window.
 * When switching tabs these swapped with the pointers in "tabpage_T".
 */
EXTERN win_T	*firstwin;		// first window
EXTERN win_T	*lastwin;		// last window
EXTERN win_T	*prevwin INIT(= NULL);	// previous window
#define ONE_WINDOW (firstwin == lastwin)
#define W_NEXT(wp) ((wp)->w_next)
#define FOR_ALL_WINDOWS(wp) for (wp = firstwin; wp != NULL; wp = wp->w_next)
#define FOR_ALL_FRAMES(frp, first_frame) \
    for (frp = first_frame; frp != NULL; frp = frp->fr_next)
#define FOR_ALL_TABPAGES(tp) for (tp = first_tabpage; tp != NULL; tp = tp->tp_next)
#define FOR_ALL_WINDOWS_IN_TAB(tp, wp) \
    for ((wp) = ((tp) == NULL || (tp) == curtab) \
	    ? firstwin : (tp)->tp_firstwin; (wp); (wp) = (wp)->w_next)
/*
 * When using this macro "break" only breaks out of the inner loop. Use "goto"
 * to break out of the tabpage loop.
 */
#define FOR_ALL_TAB_WINDOWS(tp, wp) \
    for ((tp) = first_tabpage; (tp) != NULL; (tp) = (tp)->tp_next) \
	for ((wp) = ((tp) == curtab) \
		? firstwin : (tp)->tp_firstwin; (wp); (wp) = (wp)->w_next)

#define FOR_ALL_POPUPWINS(wp) \
    for ((wp) = first_popupwin; (wp) != NULL; (wp) = (wp)->w_next)
#define FOR_ALL_POPUPWINS_IN_TAB(tp, wp) \
    for ((wp) = (tp)->tp_first_popupwin; (wp) != NULL; (wp) = (wp)->w_next)


EXTERN win_T	*curwin;	// currently active window

EXTERN win_T	*aucmd_win;	// window used in aucmd_prepbuf()
EXTERN int	aucmd_win_used INIT(= FALSE);	// aucmd_win is being used

#ifdef FEAT_PROP_POPUP
EXTERN win_T    *first_popupwin;		// first global popup window
EXTERN win_T	*popup_dragwin INIT(= NULL);	// popup window being dragged

// Set to TRUE if there is any visible popup window.
EXTERN int	popup_visible INIT(= FALSE);

EXTERN int	text_prop_frozen INIT(= 0);
#endif

// When set the popup menu will redraw soon using the pum_win_ values. Do not
// draw over the poup menu area to avoid flicker.
EXTERN int	pum_will_redraw INIT(= FALSE);

/*
 * The window layout is kept in a tree of frames.  topframe points to the top
 * of the tree.
 */
EXTERN frame_T	*topframe;	// top of the window frame tree

/*
 * Tab pages are alternative topframes.  "first_tabpage" points to the first
 * one in the list, "curtab" is the current one. "lastused_tabpage" is the
 * last used one.
 */
EXTERN tabpage_T    *first_tabpage;
EXTERN tabpage_T    *curtab;
EXTERN tabpage_T    *lastused_tabpage;
EXTERN int	    redraw_tabline INIT(= FALSE);  // need to redraw tabline

/*
 * All buffers are linked in a list. 'firstbuf' points to the first entry,
 * 'lastbuf' to the last entry and 'curbuf' to the currently active buffer.
 */
EXTERN buf_T	*firstbuf INIT(= NULL);	// first buffer
EXTERN buf_T	*lastbuf INIT(= NULL);	// last buffer
EXTERN buf_T	*curbuf INIT(= NULL);	// currently active buffer

#define FOR_ALL_BUFFERS(buf) \
    for ((buf) = firstbuf; (buf) != NULL; (buf) = (buf)->b_next)

#define FOR_ALL_BUF_WININFO(buf, wip) \
    for ((wip) = (buf)->b_wininfo; (wip) != NULL; (wip) = (wip)->wi_next)

// Iterate through all the signs placed in a buffer
#define FOR_ALL_SIGNS_IN_BUF(buf, sign) \
	for (sign = buf->b_signlist; sign != NULL; sign = sign->se_next)

// Flag that is set when switching off 'swapfile'.  It means that all blocks
// are to be loaded into memory.  Shouldn't be global...
EXTERN int	mf_dont_release INIT(= FALSE);	// don't release blocks

/*
 * List of files being edited (global argument list).  curwin->w_alist points
 * to this when the window is using the global argument list.
 */
EXTERN alist_T	global_alist;		    // global argument list
EXTERN int	max_alist_id INIT(= 0);	    // the previous argument list id
EXTERN int	arg_had_last INIT(= FALSE); // accessed last file in
					    // global_alist

EXTERN int	ru_col;		// column for ruler
#ifdef FEAT_STL_OPT
EXTERN int	ru_wid;		// 'rulerfmt' width of ruler when non-zero
#endif
EXTERN int	sc_col;		// column for shown command

#ifdef TEMPDIRNAMES
# if defined(UNIX) && defined(HAVE_FLOCK) \
	&& (defined(HAVE_DIRFD) || defined(__hpux))
EXTERN DIR	*vim_tempdir_dp INIT(= NULL); // File descriptor of temp dir
# endif
EXTERN char_u	*vim_tempdir INIT(= NULL); // Name of Vim's own temp dir.
					   // Ends in a slash.
#endif

/*
 * When starting or exiting some things are done differently (e.g. screen
 * updating).
 */
EXTERN int	starting INIT(= NO_SCREEN);
				// first NO_SCREEN, then NO_BUFFERS and then
				// set to 0 when starting up finished
EXTERN int	exiting INIT(= FALSE);
				// TRUE when planning to exit Vim.  Might
				// still keep on running if there is a changed
				// buffer.
EXTERN int	really_exiting INIT(= FALSE);
				// TRUE when we are sure to exit, e.g., after
				// a deadly signal
EXTERN int	v_dying INIT(= 0); // internal value of v:dying
EXTERN int	stdout_isatty INIT(= TRUE);	// is stdout a terminal?

#if defined(FEAT_AUTOCHDIR)
EXTERN int	test_autochdir INIT(= FALSE);
#endif
#if defined(EXITFREE)
EXTERN int	entered_free_all_mem INIT(= FALSE);
				// TRUE when in or after free_all_mem()
#endif
// volatile because it is used in signal handler deathtrap().
EXTERN volatile sig_atomic_t full_screen INIT(= FALSE);
				// TRUE when doing full-screen output
				// otherwise only writing some messages

EXTERN int	restricted INIT(= FALSE);
				// TRUE when started as "rvim"
EXTERN int	secure INIT(= FALSE);
				// non-zero when only "safe" commands are
				// allowed, e.g. when sourcing .exrc or .vimrc
				// in current directory

EXTERN int	textwinlock INIT(= 0);
				// non-zero when changing text and jumping to
				// another window or editing another buffer is
				// not allowed

EXTERN int	textlock INIT(= 0);
				// non-zero when changing text is not allowed,
				// jumping to another window is allowed,
				// editing another buffer is not allowed.

EXTERN int	curbuf_lock INIT(= 0);
				// non-zero when the current buffer can't be
				// changed.  Used for FileChangedRO.
EXTERN int	allbuf_lock INIT(= 0);
				// non-zero when no buffer name can be
				// changed, no buffer can be deleted and
				// current directory can't be changed.
				// Used for SwapExists et al.
#ifdef HAVE_SANDBOX
EXTERN int	sandbox INIT(= 0);
				// Non-zero when evaluating an expression in a
				// "sandbox".  Several things are not allowed
				// then.
#endif

EXTERN int	silent_mode INIT(= FALSE);
				// set to TRUE when "-s" commandline argument
				// used for ex

EXTERN pos_T	VIsual;		// start position of active Visual selection
EXTERN int	VIsual_active INIT(= FALSE);
				// whether Visual mode is active
EXTERN int	VIsual_select INIT(= FALSE);
				// whether Select mode is active
EXTERN int	VIsual_reselect;
				// whether to restart the selection after a
				// Select mode mapping or menu

EXTERN int	VIsual_mode INIT(= 'v');
				// type of Visual mode

EXTERN int	redo_VIsual_busy INIT(= FALSE);
				// TRUE when redoing Visual

/*
 * The Visual area is remembered for reselection.
 */
EXTERN int	resel_VIsual_mode INIT(= NUL);	// 'v', 'V', or Ctrl-V
EXTERN linenr_T	resel_VIsual_line_count;	// number of lines
EXTERN colnr_T	resel_VIsual_vcol;		// nr of cols or end col

/*
 * When pasting text with the middle mouse button in visual mode with
 * restart_edit set, remember where it started so we can set Insstart.
 */
EXTERN pos_T	where_paste_started;

/*
 * This flag is used to make auto-indent work right on lines where only a
 * <RETURN> or <ESC> is typed. It is set when an auto-indent is done, and
 * reset when any other editing is done on the line. If an <ESC> or <RETURN>
 * is received, and did_ai is TRUE, the line is truncated.
 */
EXTERN int     did_ai INIT(= FALSE);

/*
 * Column of first char after autoindent.  0 when no autoindent done.  Used
 * when 'backspace' is 0, to avoid backspacing over autoindent.
 */
EXTERN colnr_T	ai_col INIT(= 0);

/*
 * This is a character which will end a start-middle-end comment when typed as
 * the first character on a new line.  It is taken from the last character of
 * the "end" comment leader when the COM_AUTO_END flag is given for that
 * comment end in 'comments'.  It is only valid when did_ai is TRUE.
 */
EXTERN int     end_comment_pending INIT(= NUL);

/*
 * This flag is set after a ":syncbind" to let the check_scrollbind() function
 * know that it should not attempt to perform scrollbinding due to the scroll
 * that was a result of the ":syncbind." (Otherwise, check_scrollbind() will
 * undo some of the work done by ":syncbind.")  -ralston
 */
EXTERN int     did_syncbind INIT(= FALSE);

#ifdef FEAT_SMARTINDENT
/*
 * This flag is set when a smart indent has been performed. When the next typed
 * character is a '{' the inserted tab will be deleted again.
 */
EXTERN int	did_si INIT(= FALSE);

/*
 * This flag is set after an auto indent. If the next typed character is a '}'
 * one indent will be removed.
 */
EXTERN int	can_si INIT(= FALSE);

/*
 * This flag is set after an "O" command. If the next typed character is a '{'
 * one indent will be removed.
 */
EXTERN int	can_si_back INIT(= FALSE);
#endif

EXTERN int	old_indent INIT(= 0);	// for ^^D command in insert mode

EXTERN pos_T	saved_cursor		// w_cursor before formatting text.
#ifdef DO_INIT
	= {0, 0, 0}
#endif
	;

/*
 * Stuff for insert mode.
 */
EXTERN pos_T	Insstart;		// This is where the latest
					// insert/append mode started.

// This is where the latest insert/append mode started. In contrast to
// Insstart, this won't be reset by certain keys and is needed for
// op_insert(), to detect correctly where inserting by the user started.
EXTERN pos_T	Insstart_orig;

/*
 * Stuff for VREPLACE mode.
 */
EXTERN int	orig_line_count INIT(= 0);  // Line count when "gR" started
EXTERN int	vr_lines_changed INIT(= 0); // #Lines changed by "gR" so far

#if defined(FEAT_X11) && defined(FEAT_XCLIPBOARD)
// argument to SETJMP() for handling X IO errors
EXTERN JMP_BUF x_jump_env;
#endif

/*
 * These flags are set based upon 'fileencoding'.
 * Note that "enc_utf8" is also set for "unicode", because the characters are
 * internally stored as UTF-8 (to avoid trouble with NUL bytes).
 */
#define DBCS_JPN	932	// japan
#define DBCS_JPNU	9932	// euc-jp
#define DBCS_KOR	949	// korea
#define DBCS_KORU	9949	// euc-kr
#define DBCS_CHS	936	// chinese
#define DBCS_CHSU	9936	// euc-cn
#define DBCS_CHT	950	// taiwan
#define DBCS_CHTU	9950	// euc-tw
#define DBCS_2BYTE	1	// 2byte-
#define DBCS_DEBUG	-1

EXTERN int	enc_dbcs INIT(= 0);		// One of DBCS_xxx values if
						// DBCS encoding
EXTERN int	enc_unicode INIT(= 0);	// 2: UCS-2 or UTF-16, 4: UCS-4
EXTERN int	enc_utf8 INIT(= FALSE);		// UTF-8 encoded Unicode
EXTERN int	enc_latin1like INIT(= TRUE);	// 'encoding' is latin1 comp.
#if defined(MSWIN) || defined(FEAT_CYGWIN_WIN32_CLIPBOARD)
// Codepage nr of 'encoding'.  Negative means it's not been set yet, zero
// means 'encoding' is not a valid codepage.
EXTERN int	enc_codepage INIT(= -1);
EXTERN int	enc_latin9 INIT(= FALSE);	// 'encoding' is latin9
#endif
EXTERN int	has_mbyte INIT(= 0);		// any multi-byte encoding

/*
 * To speed up BYTELEN() we fill a table with the byte lengths whenever
 * enc_utf8 or enc_dbcs changes.
 */
EXTERN char	mb_bytelen_tab[256];

// Variables that tell what conversion is used for keyboard input and display
// output.
EXTERN vimconv_T input_conv;			// type of input conversion
EXTERN vimconv_T output_conv;			// type of output conversion

/*
 * Function pointers, used to quickly get to the right function.  Each has
 * three possible values: latin_ (8-bit), utfc_ or utf_ (utf-8) and dbcs_
 * (DBCS).
 * The value is set in mb_init();
 */
// length of char in bytes, including following composing chars
EXTERN int (*mb_ptr2len)(char_u *p) INIT(= latin_ptr2len);
// idem, with limit on string length
EXTERN int (*mb_ptr2len_len)(char_u *p, int size) INIT(= latin_ptr2len_len);
// byte length of char
EXTERN int (*mb_char2len)(int c) INIT(= latin_char2len);
// convert char to bytes, return the length
EXTERN int (*mb_char2bytes)(int c, char_u *buf) INIT(= latin_char2bytes);
EXTERN int (*mb_ptr2cells)(char_u *p) INIT(= latin_ptr2cells);
EXTERN int (*mb_ptr2cells_len)(char_u *p, int size) INIT(= latin_ptr2cells_len);
EXTERN int (*mb_char2cells)(int c) INIT(= latin_char2cells);
EXTERN int (*mb_off2cells)(unsigned off, unsigned max_off) INIT(= latin_off2cells);
EXTERN int (*mb_ptr2char)(char_u *p) INIT(= latin_ptr2char);
EXTERN int (*mb_head_off)(char_u *base, char_u *p) INIT(= latin_head_off);

# if defined(USE_ICONV) && defined(DYNAMIC_ICONV)
// Pointers to functions and variables to be loaded at runtime
EXTERN size_t (*iconv) (iconv_t cd, const char **inbuf, size_t *inbytesleft, char **outbuf, size_t *outbytesleft);
EXTERN iconv_t (*iconv_open) (const char *tocode, const char *fromcode);
EXTERN int (*iconv_close) (iconv_t cd);
EXTERN int (*iconvctl) (iconv_t cd, int request, void *argument);
EXTERN int* (*iconv_errno) (void);
# endif


#ifdef FEAT_XIM
# ifdef FEAT_GUI_GTK
EXTERN GtkIMContext	*xic INIT(= NULL);
/*
 * Start and end column of the preedit area in virtual columns from the start
 * of the text line.  When there is no preedit area they are set to MAXCOL.
 * "preedit_end_col" is needed for coloring the preedited string.  Drawing the
 * color between "preedit_start_col" and curpos did not work, because some XIM
 * set the cursor position to the first char of the string.
 */
EXTERN colnr_T		preedit_start_col INIT(= MAXCOL);
EXTERN colnr_T		preedit_end_col INIT(= MAXCOL);

// "xim_changed_while_preediting" is set when changed() can set the 'modified'
// flag even while preediting.
EXTERN int		xim_changed_while_preediting INIT(= FALSE);
# else
EXTERN XIC		xic INIT(= NULL);
# endif
# ifdef FEAT_GUI
EXTERN guicolor_T	xim_fg_color INIT(= INVALCOLOR);
EXTERN guicolor_T	xim_bg_color INIT(= INVALCOLOR);
# endif
#endif

/*
 * "State" is the main state of Vim.
 * There are other variables that modify the state:
 * "Visual_mode"    When State is NORMAL or INSERT.
 * "finish_op"	    When State is NORMAL, after typing the operator and before
 *		    typing the motion command.
 * "motion_force"   Last motion_force  from do_pending_operator()
 * "debug_mode"	    Debug mode.
 */
EXTERN int	State INIT(= NORMAL);	// This is the current state of the
					// command interpreter.
#ifdef FEAT_EVAL
EXTERN int	debug_mode INIT(= FALSE);
#endif

EXTERN int	finish_op INIT(= FALSE);// TRUE while an operator is pending
EXTERN long	opcount INIT(= 0);	// count for pending operator
EXTERN int	motion_force INIT(= 0); // motion force for pending operator

/*
 * Ex mode (Q) state
 */
EXTERN int exmode_active INIT(= 0);	// zero, EXMODE_NORMAL or EXMODE_VIM

// Flag set when main_loop() should exit when entering Ex mode.
EXTERN int pending_exmode_active INIT(= FALSE);

EXTERN int ex_no_reprint INIT(= FALSE); // no need to print after z or p

EXTERN int reg_recording INIT(= 0);	// register for recording  or zero
EXTERN int reg_executing INIT(= 0);	// register being executed or zero

// Set when a modifyOtherKeys sequence was seen, then simplified mappings will
// no longer be used.
EXTERN int seenModifyOtherKeys INIT(= FALSE);

EXTERN int no_mapping INIT(= FALSE);	// currently no mapping allowed
EXTERN int no_zero_mapping INIT(= 0);	// mapping zero not allowed
EXTERN int allow_keys INIT(= FALSE);	// allow key codes when no_mapping
					// is set
EXTERN int no_reduce_keys INIT(= FALSE);  // do not apply Ctrl, Shift and Alt
					  // to the key
EXTERN int no_u_sync INIT(= 0);		// Don't call u_sync()
#ifdef FEAT_EVAL
EXTERN int u_sync_once INIT(= 0);	// Call u_sync() once when evaluating
					// an expression.
#endif

EXTERN int restart_edit INIT(= 0);	// call edit when next cmd finished
EXTERN int arrow_used;			// Normally FALSE, set to TRUE after
					// hitting cursor key in insert mode.
					// Used by vgetorpeek() to decide when
					// to call u_sync()
EXTERN int	ins_at_eol INIT(= FALSE); // put cursor after eol when
					  // restarting edit after CTRL-O

EXTERN int	no_abbr INIT(= TRUE);	// TRUE when no abbreviations loaded

#ifdef USE_EXE_NAME
EXTERN char_u	*exe_name;		// the name of the executable
#endif

#ifdef USE_ON_FLY_SCROLL
EXTERN int	dont_scroll INIT(= FALSE);// don't use scrollbars when TRUE
#endif
EXTERN int	mapped_ctrl_c INIT(= FALSE); // modes where CTRL-C is mapped
EXTERN int	ctrl_c_interrupts INIT(= TRUE);	// CTRL-C sets got_int

EXTERN cmdmod_T	cmdmod;			// Ex command modifiers

EXTERN int	is_export INIT(= FALSE);    // :export {cmd}

EXTERN int	msg_silent INIT(= 0);	// don't print messages
EXTERN int	emsg_silent INIT(= 0);	// don't print error messages
#ifdef FEAT_EVAL
EXTERN int	emsg_silent_def INIT(= 0);  // value of emsg_silent when a :def
					    // function is called
#endif
EXTERN int	emsg_noredir INIT(= 0);	// don't redirect error messages
EXTERN int	cmd_silent INIT(= FALSE); // don't echo the command line

EXTERN int	in_assert_fails INIT(= FALSE);	// assert_fails() active

EXTERN int	swap_exists_action INIT(= SEA_NONE);
					// For dialog when swap file already
					// exists.
EXTERN int	swap_exists_did_quit INIT(= FALSE);
					// Selected "quit" at the dialog.

EXTERN char_u	*IObuff;		// sprintf's are done in this buffer,
					// size is IOSIZE
EXTERN char_u	*NameBuff;		// file names are expanded in this
					// buffer, size is MAXPATHL
EXTERN char	msg_buf[MSG_BUF_LEN];	// small buffer for messages

// When non-zero, postpone redrawing.
EXTERN int	RedrawingDisabled INIT(= 0);

EXTERN int	readonlymode INIT(= FALSE); // Set to TRUE for "view"
EXTERN int	recoverymode INIT(= FALSE); // Set to TRUE for "-r" option

EXTERN typebuf_T typebuf		// typeahead buffer
#ifdef DO_INIT
		    = {NULL, NULL, 0, 0, 0, 0, 0, 0, 0}
#endif
		    ;
EXTERN int	ex_normal_busy INIT(= 0);   // recursiveness of ex_normal()
EXTERN int	in_feedkeys INIT(= 0);	    // ex_normal_busy set in feedkeys()
EXTERN int	ex_normal_lock INIT(= 0);   // forbid use of ex_normal()

#ifdef FEAT_EVAL
EXTERN int	ignore_script INIT(= FALSE);  // ignore script input
#endif
EXTERN int	stop_insert_mode;	// for ":stopinsert" and 'insertmode'

EXTERN int	KeyTyped;		// TRUE if user typed current char
EXTERN int	KeyStuffed;		// TRUE if current char from stuffbuf
#ifdef HAVE_INPUT_METHOD
EXTERN int	vgetc_im_active;	// Input Method was active for last
					// character obtained from vgetc()
#endif
EXTERN int	maptick INIT(= 0);	// tick for each non-mapped char

EXTERN int	must_redraw INIT(= 0);	    // type of redraw necessary
EXTERN int	skip_redraw INIT(= FALSE);  // skip redraw once
EXTERN int	do_redraw INIT(= FALSE);    // extra redraw once
#ifdef FEAT_DIFF
EXTERN int	need_diff_redraw INIT(= 0); // need to call diff_redraw()
#endif

EXTERN int	need_highlight_changed INIT(= TRUE);

#define NSCRIPT 15
EXTERN FILE	*scriptin[NSCRIPT];	    // streams to read script from
EXTERN int	curscript INIT(= 0);	    // index in scriptin[]
EXTERN FILE	*scriptout  INIT(= NULL);   // stream to write script to
EXTERN int	read_cmd_fd INIT(= 0);	    // fd to read commands from

// Set to TRUE when an interrupt signal occurred.
// Volatile because it is used in signal handler catch_sigint().
EXTERN volatile sig_atomic_t got_int INIT(= FALSE);

// Set to TRUE when SIGUSR1 signal was detected.
// Volatile because it is used in signal handler catch_sigint().
EXTERN volatile sig_atomic_t got_sigusr1 INIT(= FALSE);

#ifdef USE_TERM_CONSOLE
EXTERN int	term_console INIT(= FALSE); // set to TRUE when console used
#endif
EXTERN int	termcap_active INIT(= FALSE);	// set by starttermcap()
EXTERN tmode_T	cur_tmode INIT(= TMODE_COOK);	// input terminal mode
EXTERN int	bangredo INIT(= FALSE);	    // set to TRUE with ! command
EXTERN int	searchcmdlen;		    // length of previous search cmd
#ifdef FEAT_SYN_HL
EXTERN int	reg_do_extmatch INIT(= 0);  // Used when compiling regexp:
					    // REX_SET to allow \z\(...\),
					    // REX_USE to allow \z\1 et al.
EXTERN reg_extmatch_T *re_extmatch_in INIT(= NULL); // Used by vim_regexec():
					    // strings for \z\1...\z\9
EXTERN reg_extmatch_T *re_extmatch_out INIT(= NULL); // Set by vim_regexec()
					    // to store \z\(...\) matches
#endif

EXTERN int	did_outofmem_msg INIT(= FALSE);
					    // set after out of memory msg
EXTERN int	did_swapwrite_msg INIT(= FALSE);
					    // set after swap write error msg
EXTERN int	undo_off INIT(= FALSE);	    // undo switched off for now
EXTERN int	global_busy INIT(= 0);	    // set when :global is executing
EXTERN int	listcmd_busy INIT(= FALSE); // set when :argdo, :windo or
					    // :bufdo is executing
EXTERN int	need_start_insertmode INIT(= FALSE);
					    // start insert mode soon
EXTERN char_u	*last_cmdline INIT(= NULL); // last command line (for ":)
EXTERN char_u	*repeat_cmdline INIT(= NULL); // command line for "."
EXTERN char_u	*new_last_cmdline INIT(= NULL);	// new value for last_cmdline
EXTERN char_u	*autocmd_fname INIT(= NULL); // fname for <afile> on cmdline
EXTERN int	autocmd_fname_full;	     // autocmd_fname is full path
EXTERN int	autocmd_bufnr INIT(= 0);     // fnum for <abuf> on cmdline
EXTERN char_u	*autocmd_match INIT(= NULL); // name for <amatch> on cmdline
EXTERN int	did_cursorhold INIT(= FALSE); // set when CursorHold t'gerd
EXTERN pos_T	last_cursormoved	      // for CursorMoved event
# ifdef DO_INIT
			= {0, 0, 0}
# endif
			;

EXTERN int	postponed_split INIT(= 0);  // for CTRL-W CTRL-] command
EXTERN int	postponed_split_flags INIT(= 0);  // args for win_split()
EXTERN int	postponed_split_tab INIT(= 0);  // cmdmod.tab
#ifdef FEAT_QUICKFIX
EXTERN int	g_do_tagpreview INIT(= 0);  // for tag preview commands:
					    // height of preview window
#endif
EXTERN int	g_tag_at_cursor INIT(= FALSE); // whether the tag command comes
					    // from the command line (0) or was
					    // invoked as a normal command (1)

EXTERN int	replace_offset INIT(= 0);   // offset for replace_push()

EXTERN char_u	*escape_chars INIT(= (char_u *)" \t\\\"|");
					    // need backslash in cmd line

EXTERN int	keep_help_flag INIT(= FALSE); // doing :ta from help file

/*
 * When a string option is NULL (which only happens in out-of-memory
 * situations), it is set to empty_option, to avoid having to check for NULL
 * everywhere.
 */
EXTERN char_u	*empty_option INIT(= (char_u *)"");

EXTERN int  redir_off INIT(= FALSE);	// no redirection for a moment
EXTERN FILE *redir_fd INIT(= NULL);	// message redirection file
#ifdef FEAT_EVAL
EXTERN int  redir_reg INIT(= 0);	// message redirection register
EXTERN int  redir_vname INIT(= 0);	// message redirection variable
EXTERN int  redir_execute INIT(= 0);	// execute() redirection
#endif

#ifdef FEAT_LANGMAP
EXTERN char_u	langmap_mapchar[256];	// mapping for language keys
#endif

#ifdef FEAT_WILDMENU
EXTERN int  save_p_ls INIT(= -1);	// Save 'laststatus' setting
EXTERN int  save_p_wmh INIT(= -1);	// Save 'winminheight' setting
EXTERN int  wild_menu_showing INIT(= 0);
# define WM_SHOWN	1		// wildmenu showing
# define WM_SCROLLED	2		// wildmenu showing with scroll
#endif

#ifdef MSWIN
EXTERN char_u	toupper_tab[256];	// table for toupper()
EXTERN char_u	tolower_tab[256];	// table for tolower()
EXTERN int	found_register_arg INIT(= FALSE);
#endif

#ifdef FEAT_LINEBREAK
EXTERN char	breakat_flags[256];	// which characters are in 'breakat'
#endif

// These are in version.c, call init_longVersion() before use.
extern char *Version;
#if defined(HAVE_DATE_TIME) && defined(VMS) && defined(VAXC)
extern char longVersion[];
#else
EXTERN char *longVersion INIT(= NULL);
#endif

/*
 * Some file names are stored in pathdef.c, which is generated from the
 * Makefile to make their value depend on the Makefile.
 */
#ifdef HAVE_PATHDEF
extern char_u *default_vim_dir;
extern char_u *default_vimruntime_dir;
extern char_u *all_cflags;
extern char_u *all_lflags;
# ifdef VMS
extern char_u *compiler_version;
extern char_u *compiled_arch;
# endif
extern char_u *compiled_user;
extern char_u *compiled_sys;
#endif

EXTERN char_u	*homedir INIT(= NULL);

// When a window has a local directory, the absolute path of the global
// current directory is stored here (in allocated memory).  If the current
// directory is not a local directory, globaldir is NULL.
EXTERN char_u	*globaldir INIT(= NULL);

// Characters from 'fillchars' option
EXTERN int	fill_stl INIT(= ' ');
EXTERN int	fill_stlnc INIT(= ' ');
EXTERN int	fill_vert INIT(= ' ');
EXTERN int	fill_fold INIT(= '-');
EXTERN int	fill_foldopen INIT(= '-');
EXTERN int	fill_foldclosed INIT(= '+');
EXTERN int	fill_foldsep INIT(= '|');
EXTERN int	fill_diff INIT(= '-');
EXTERN int	fill_eob INIT(= '~');

#ifdef FEAT_FOLDING
EXTERN int	disable_fold_update INIT(= 0);
#endif

// Whether 'keymodel' contains "stopsel" and "startsel".
EXTERN int	km_stopsel INIT(= FALSE);
EXTERN int	km_startsel INIT(= FALSE);

#ifdef FEAT_CMDWIN
EXTERN int	cmdwin_type INIT(= 0);	// type of cmdline window or 0
EXTERN int	cmdwin_result INIT(= 0); // result of cmdline window or 0
#endif

EXTERN char_u no_lines_msg[]	INIT(= N_("--No lines in buffer--"));

/*
 * When ":global" is used to number of substitutions and changed lines is
 * accumulated until it's finished.
 * Also used for ":spellrepall".
 */
EXTERN long	sub_nsubs;	// total number of substitutions
EXTERN linenr_T	sub_nlines;	// total number of lines changed

// Used when a compiled :substitute has an expression.
EXTERN struct subs_expr_S	*substitute_instr INIT(= NULL);

// table to store parsed 'wildmode'
EXTERN char_u	wim_flags[4];

#if defined(FEAT_TITLE) && defined(FEAT_STL_OPT)
// whether titlestring and iconstring contains statusline syntax
# define STL_IN_ICON	1
# define STL_IN_TITLE	2
EXTERN int      stl_syntax INIT(= 0);
#endif

#ifdef FEAT_SEARCH_EXTRA
// don't use 'hlsearch' temporarily
EXTERN int	no_hlsearch INIT(= FALSE);
#endif

#if defined(FEAT_BEVAL) && !defined(NO_X11_INCLUDES)
EXTERN BalloonEval	*balloonEval INIT(= NULL);
EXTERN int		balloonEvalForTerm INIT(= FALSE);
# if defined(FEAT_NETBEANS_INTG)
EXTERN int bevalServers INIT(= 0);
#  define BEVAL_NETBEANS		0x01
# endif
#endif

#ifdef CURSOR_SHAPE
// the table is in misc2.c, because of initializations
extern cursorentry_T shape_table[SHAPE_IDX_COUNT];
#endif

#ifdef FEAT_PRINTER
/*
 * Printer stuff shared between hardcopy.c and machine-specific printing code.
 */
# define OPT_PRINT_TOP		0
# define OPT_PRINT_BOT		1
# define OPT_PRINT_LEFT		2
# define OPT_PRINT_RIGHT	3
# define OPT_PRINT_HEADERHEIGHT	4
# define OPT_PRINT_SYNTAX	5
# define OPT_PRINT_NUMBER	6
# define OPT_PRINT_WRAP		7
# define OPT_PRINT_DUPLEX	8
# define OPT_PRINT_PORTRAIT	9
# define OPT_PRINT_PAPER	10
# define OPT_PRINT_COLLATE	11
# define OPT_PRINT_JOBSPLIT	12
# define OPT_PRINT_FORMFEED	13

# define OPT_PRINT_NUM_OPTIONS	14

EXTERN option_table_T printer_opts[OPT_PRINT_NUM_OPTIONS]
# ifdef DO_INIT
 =
{
    {"top",	TRUE, 0, NULL, 0, FALSE},
    {"bottom",	TRUE, 0, NULL, 0, FALSE},
    {"left",	TRUE, 0, NULL, 0, FALSE},
    {"right",	TRUE, 0, NULL, 0, FALSE},
    {"header",	TRUE, 0, NULL, 0, FALSE},
    {"syntax",	FALSE, 0, NULL, 0, FALSE},
    {"number",	FALSE, 0, NULL, 0, FALSE},
    {"wrap",	FALSE, 0, NULL, 0, FALSE},
    {"duplex",	FALSE, 0, NULL, 0, FALSE},
    {"portrait", FALSE, 0, NULL, 0, FALSE},
    {"paper",	FALSE, 0, NULL, 0, FALSE},
    {"collate",	FALSE, 0, NULL, 0, FALSE},
    {"jobsplit", FALSE, 0, NULL, 0, FALSE},
    {"formfeed", FALSE, 0, NULL, 0, FALSE},
}
# endif
;

// For prt_get_unit().
# define PRT_UNIT_NONE	-1
# define PRT_UNIT_PERC	0
# define PRT_UNIT_INCH	1
# define PRT_UNIT_MM	2
# define PRT_UNIT_POINT	3
# define PRT_UNIT_NAMES {"pc", "in", "mm", "pt"}
#endif

#if (defined(FEAT_PRINTER) && defined(FEAT_STL_OPT)) \
	    || defined(FEAT_GUI_TABLINE)
// Page number used for %N in 'pageheader' and 'guitablabel'.
EXTERN linenr_T printer_page_num;
#endif

#ifdef FEAT_XCLIPBOARD
// xterm display name
EXTERN char	*xterm_display INIT(= NULL);

// whether xterm_display was allocated, when FALSE it points into argv[]
EXTERN int	xterm_display_allocated INIT(= FALSE);

// xterm display pointer
EXTERN Display	*xterm_dpy INIT(= NULL);
#endif
#if defined(FEAT_XCLIPBOARD) || defined(FEAT_GUI_X11)
EXTERN XtAppContext app_context INIT(= (XtAppContext)NULL);
#endif

#ifdef FEAT_GUI_GTK
EXTERN guint32	gtk_socket_id INIT(= 0);
EXTERN int	echo_wid_arg INIT(= FALSE);	// --echo-wid argument
#endif

#ifdef FEAT_GUI_MSWIN
/*
 * The value of the --windowid argument.
 * For embedding gvim inside another application.
 */
EXTERN long_u	win_socket_id INIT(= 0);
#endif

#if defined(FEAT_CLIENTSERVER) || defined(FEAT_EVAL)
EXTERN int	typebuf_was_filled INIT(= FALSE); // received text from client
						  // or from feedkeys()
#endif

#ifdef FEAT_CLIENTSERVER
EXTERN char_u	*serverName INIT(= NULL);	// name of the server
# ifdef FEAT_X11
EXTERN Window	commWindow INIT(= None);
EXTERN Window	clientWindow INIT(= None);
EXTERN Atom	commProperty INIT(= None);
EXTERN char_u	*serverDelayedStartName INIT(= NULL);
# else
#  ifdef PROTO
typedef int HWND;
#  endif
EXTERN HWND	clientWindow INIT(= 0);
# endif
#endif

#if defined(UNIX) || defined(VMS)
EXTERN int	term_is_xterm INIT(= FALSE);	// xterm-like 'term'
#endif

#ifdef BACKSLASH_IN_FILENAME
EXTERN char	psepc INIT(= '\\');	// normal path separator character
EXTERN char	psepcN INIT(= '/');	// abnormal path separator character
// normal path separator string
EXTERN char	pseps[2] INIT2('\\', 0);
#endif

// Set to TRUE when an operator is being executed with virtual editing, MAYBE
// when no operator is being executed, FALSE otherwise.
EXTERN int	virtual_op INIT(= MAYBE);

#ifdef FEAT_SYN_HL
// Display tick, incremented for each call to update_screen()
EXTERN disptick_T	display_tick INIT(= 0);
#endif

#ifdef FEAT_SPELL
// Line in which spell checking wasn't highlighted because it touched the
// cursor position in Insert mode.
EXTERN linenr_T		spell_redraw_lnum INIT(= 0);

#define FOR_ALL_SPELL_LANGS(slang) \
    for ((slang) = first_lang; (slang) != NULL; (slang) = (slang)->sl_next)
#endif

#ifdef FEAT_CONCEAL
// Set when the cursor line needs to be redrawn.
EXTERN int		need_cursor_line_redraw INIT(= FALSE);
#endif

#ifdef USE_MCH_ERRMSG
// Grow array to collect error messages in until they can be displayed.
EXTERN garray_T error_ga
# ifdef DO_INIT
	= {0, 0, 0, 0, NULL}
# endif
	;
#endif

#ifdef FEAT_NETBEANS_INTG
EXTERN char *netbeansArg INIT(= NULL);	// the -nb[:host:port:passwd] arg
EXTERN int netbeansFireChanges INIT(= 1); // send buffer changes if != 0
EXTERN int netbeansForcedQuit INIT(= 0);// don't write modified files
EXTERN int netbeansReadFile INIT(= 1);	// OK to read from disk if != 0
EXTERN int netbeansSuppressNoLines INIT(= 0); // skip "No lines in buffer"
#endif

/*
 * The error messages that can be shared are included here.
 * Excluded are errors that are only used once and debugging messages.
 */
EXTERN char e_abort[]		INIT(= N_("E470: Command aborted"));
EXTERN char e_argreq[]		INIT(= N_("E471: Argument required"));
#ifdef FEAT_EVAL
EXTERN char e_endif[]		INIT(= N_("E171: Missing :endif"));
EXTERN char e_catch[]		INIT(= N_("E603: :catch without :try"));
EXTERN char e_finally[]		INIT(= N_("E606: :finally without :try"));
EXTERN char e_finally_dup[]	INIT(= N_("E607: multiple :finally"));
EXTERN char e_endtry[]		INIT(= N_("E600: Missing :endtry"));
EXTERN char e_no_endtry[]	INIT(= N_("E602: :endtry without :try"));
EXTERN char e_endwhile[]	INIT(= N_("E170: Missing :endwhile"));
EXTERN char e_endfor[]		INIT(= N_("E170: Missing :endfor"));
EXTERN char e_while[]		INIT(= N_("E588: :endwhile without :while"));
EXTERN char e_for[]		INIT(= N_("E588: :endfor without :for"));
#endif
EXTERN char e_failed[]	INIT(= N_("E472: Command failed"));
#if defined(FEAT_GUI) && defined(FEAT_XFONTSET)
EXTERN char e_fontset[]	INIT(= N_("E234: Unknown fontset: %s"));
#endif
#if defined(FEAT_GUI_X11) || defined(FEAT_GUI_GTK) \
	|| defined(FEAT_GUI_PHOTON) || defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_HAIKU)
EXTERN char e_font[]		INIT(= N_("E235: Unknown font: %s"));
#endif
#if defined(FEAT_GUI_X11) && !defined(FEAT_GUI_GTK)
EXTERN char e_fontwidth[]	INIT(= N_("E236: Font \"%s\" is not fixed-width"));
#endif
EXTERN char e_internal[]	INIT(= N_("E473: Internal error"));
EXTERN char e_intern2[]		INIT(= N_("E685: Internal error: %s"));
EXTERN char e_interr[]		INIT(= N_("Interrupted"));
EXTERN char e_invarg[]		INIT(= N_("E474: Invalid argument"));
EXTERN char e_invarg2[]		INIT(= N_("E475: Invalid argument: %s"));
EXTERN char e_duparg2[]		INIT(= N_("E983: Duplicate argument: %s"));
EXTERN char e_invargval[]	INIT(= N_("E475: Invalid value for argument %s"));
EXTERN char e_invargNval[]	INIT(= N_("E475: Invalid value for argument %s: %s"));
#ifdef FEAT_SPELL
EXTERN char e_no_spell[]	INIT(= N_("E756: Spell checking is not possible"));
#endif
#ifdef FEAT_LIBCALL
EXTERN char e_libcall[]	INIT(= N_("E364: Library call failed for \"%s()\""));
#endif
#ifdef HAVE_FSYNC
EXTERN char e_fsync[]		INIT(= N_("E667: Fsync failed"));
#endif
#if defined(DYNAMIC_PERL) \
	|| defined(DYNAMIC_PYTHON) || defined(DYNAMIC_PYTHON3) \
	|| defined(DYNAMIC_RUBY) \
	|| defined(DYNAMIC_TCL) \
	|| defined(DYNAMIC_ICONV) \
	|| defined(DYNAMIC_GETTEXT) \
	|| defined(DYNAMIC_MZSCHEME) \
	|| defined(DYNAMIC_LUA) \
	|| defined(FEAT_TERMINAL)
EXTERN char e_loadlib[]	INIT(= N_("E370: Could not load library %s: %s"));
EXTERN char e_loadfunc[]	INIT(= N_("E448: Could not load library function %s"));
#endif
EXTERN char e_nobang[]	INIT(= N_("E477: No ! allowed"));
#ifndef FEAT_ARABIC
EXTERN char e_noarabic[]	INIT(= N_("E800: Arabic cannot be used: Not enabled at compile time\n"));
#endif
EXTERN char e_nomatch[]	INIT(= N_("E479: No match"));
EXTERN char e_nomatch2[]	INIT(= N_("E480: No match: %s"));
EXTERN char e_norange[]	INIT(= N_("E481: No range allowed"));
#ifdef FEAT_CLIENTSERVER
EXTERN char e_noserver[]	INIT(= N_("E247: no registered server named \"%s\""));
#endif
EXTERN char e_notcreate[]	INIT(= N_("E482: Can't create file %s"));
EXTERN char e_notmp[]		INIT(= N_("E483: Can't get temp file name"));
EXTERN char e_notopen[]		INIT(= N_("E484: Can't open file %s"));
EXTERN char e_notread[]		INIT(= N_("E485: Can't read file %s"));
#if defined(FEAT_GUI_GTK) || defined(FEAT_GUI_X11)
EXTERN char e_opendisp[]	INIT(= N_("E233: cannot open display"));
#endif
EXTERN char e_patnotf[]		INIT(= N_("Pattern not found"));
EXTERN char e_patnotf2[]	INIT(= N_("E486: Pattern not found: %s"));
EXTERN char e_positive[]	INIT(= N_("E487: Argument must be positive"));
#if defined(UNIX) || defined(FEAT_SESSION)
EXTERN char e_prev_dir[]	INIT(= N_("E459: Cannot go back to previous directory"));
#endif

#ifdef FEAT_QUICKFIX
EXTERN char e_loclist[]		INIT(= N_("E776: No location list"));
#endif
#ifdef FEAT_EVAL
EXTERN char e_letwrong[]	INIT(= N_("E734: Wrong variable type for %s="));
EXTERN char e_illvar[]		INIT(= N_("E461: Illegal variable name: %s"));
EXTERN char e_cannot_mod[]	INIT(= N_("E995: Cannot modify existing variable"));
EXTERN char e_readonlysbx[]	INIT(= N_("E794: Cannot set variable in the sandbox: \"%s\""));
EXTERN char e_stringreq[]	INIT(= N_("E928: String required"));
EXTERN char e_numberreq[]	INIT(= N_("E889: Number required"));
EXTERN char e_boolreq[]		INIT(= N_("E839: Bool required"));
EXTERN char e_emptykey[]	INIT(= N_("E713: Cannot use empty key for Dictionary"));
EXTERN char e_dictreq[]		INIT(= N_("E715: Dictionary required"));
EXTERN char e_listidx[]		INIT(= N_("E684: list index out of range: %ld"));
EXTERN char e_blobidx[]		INIT(= N_("E979: Blob index out of range: %ld"));
EXTERN char e_invalblob[]	INIT(= N_("E978: Invalid operation for Blob"));
EXTERN char e_toomanyarg[]	INIT(= N_("E118: Too many arguments for function: %s"));
EXTERN char e_toofewarg[]	INIT(= N_("E119: Not enough arguments for function: %s"));
EXTERN char e_func_deleted[]	INIT(= N_("E933: Function was deleted: %s"));
EXTERN char e_dictkey[]		INIT(= N_("E716: Key not present in Dictionary: \"%s\""));
EXTERN char e_listreq[]		INIT(= N_("E714: List required"));
EXTERN char e_listblobreq[]	INIT(= N_("E897: List or Blob required"));
EXTERN char e_list_end[]	INIT(= N_("E697: Missing end of List ']': %s"));
EXTERN char e_listdictarg[]	INIT(= N_("E712: Argument of %s must be a List or Dictionary"));
EXTERN char e_listdictblobarg[]	INIT(= N_("E896: Argument of %s must be a List, Dictionary or Blob"));
EXTERN char e_modulus[]		INIT(= N_("E804: Cannot use '%' with Float"));
EXTERN char e_const_option[]	INIT(= N_("E996: Cannot lock an option"));
EXTERN char e_unknown_option[]	INIT(= N_("E113: Unknown option: %s"));
EXTERN char e_reduceempty[]	INIT(= N_("E998: Reduce of an empty %s with no initial value"));
EXTERN char e_no_dict_key[]	INIT(= N_("E857: Dictionary key \"%s\" required"));
#endif
EXTERN char e_secure[]		INIT(= N_("E523: Not allowed here"));
EXTERN char e_textlock[]	INIT(= N_("E578: Not allowed to change text here"));
EXTERN char e_textwinlock[]	INIT(= N_("E565: Not allowed to change text or change window"));
#if defined(AMIGA) || defined(MACOS_X) || defined(MSWIN)  \
	|| defined(UNIX) || defined(VMS)
EXTERN char e_screenmode[]	INIT(= N_("E359: Screen mode setting not supported"));
#endif
EXTERN char e_shellempty[]	INIT(= N_("E91: 'shell' option is empty"));
#if defined(FEAT_SIGN_ICONS) && !defined(FEAT_GUI_GTK)
EXTERN char e_signdata[]	INIT(= N_("E255: Couldn't read in sign data!"));
#endif
EXTERN char e_swapclose[]	INIT(= N_("E72: Close error on swap file"));
EXTERN char e_tagstack[]	INIT(= N_("E73: tag stack empty"));
EXTERN char e_toocompl[]	INIT(= N_("E74: Command too complex"));
EXTERN char e_longname[]	INIT(= N_("E75: Name too long"));
EXTERN char e_toomsbra[]	INIT(= N_("E76: Too many ["));
EXTERN char e_toomany[]	INIT(= N_("E77: Too many file names"));
EXTERN char e_trailing[]	INIT(= N_("E488: Trailing characters"));
EXTERN char e_trailing_arg[]	INIT(= N_("E488: Trailing characters: %s"));
EXTERN char e_umark[]		INIT(= N_("E78: Unknown mark"));
EXTERN char e_wildexpand[]	INIT(= N_("E79: Cannot expand wildcards"));
EXTERN char e_winheight[]	INIT(= N_("E591: 'winheight' cannot be smaller than 'winminheight'"));
EXTERN char e_winwidth[]	INIT(= N_("E592: 'winwidth' cannot be smaller than 'winminwidth'"));
EXTERN char e_write[]		INIT(= N_("E80: Error while writing"));
EXTERN char e_zerocount[]	INIT(= N_("E939: Positive count required"));
#ifdef FEAT_EVAL
EXTERN char e_usingsid[]	INIT(= N_("E81: Using <SID> not in a script context"));
EXTERN char e_missing_paren[]	INIT(= N_("E107: Missing parentheses: %s"));
EXTERN char e_missing_close[]	INIT(= N_("E110: Missing ')'"));
EXTERN char e_missing_dict_colon[] INIT(= N_("E720: Missing colon in Dictionary: %s"));
EXTERN char e_duplicate_key[]	INIT(= N_("E721: Duplicate key in Dictionary: \"%s\""));
EXTERN char e_missing_dict_comma[] INIT(= N_("E722: Missing comma in Dictionary: %s"));
EXTERN char e_missing_dict_end[]    INIT(= N_("E723: Missing end of Dictionary '}': %s"));
#endif
#ifdef FEAT_CLIENTSERVER
EXTERN char e_invexprmsg[]	INIT(= N_("E449: Invalid expression received"));
#endif
#ifdef FEAT_NETBEANS_INTG
EXTERN char e_guarded[]	INIT(= N_("E463: Region is guarded, cannot modify"));
EXTERN char e_nbreadonly[]	INIT(= N_("E744: NetBeans does not allow changes in read-only files"));
#endif
EXTERN char e_maxmempat[]	INIT(= N_("E363: pattern uses more memory than 'maxmempattern'"));
EXTERN char e_emptybuf[]	INIT(= N_("E749: empty buffer"));
EXTERN char e_nobufnr[]	INIT(= N_("E86: Buffer %ld does not exist"));

EXTERN char e_invalpat[]	INIT(= N_("E682: Invalid search pattern or delimiter"));
EXTERN char e_bufloaded[]	INIT(= N_("E139: File is loaded in another buffer"));
#if defined(FEAT_SYN_HL) || defined(FEAT_COMPL_FUNC)
EXTERN char e_notset[]	INIT(= N_("E764: Option '%s' is not set"));
#endif
#ifndef FEAT_CLIPBOARD
EXTERN char e_invalidreg[]    INIT(= N_("E850: Invalid register name"));
#endif
#ifdef FEAT_FLOAT
EXTERN char e_float_as_string[] INIT(= N_("E806: using Float as a String"));
#endif
EXTERN char e_dirnotf[]	INIT(= N_("E919: Directory not found in '%s': \"%s\""));
EXTERN char e_au_recursive[]	INIT(= N_("E952: Autocommand caused recursive behavior"));
EXTERN char e_autocmd_close[]	INIT(= N_("E813: Cannot close autocmd or popup window"));
#ifdef FEAT_MENU
EXTERN char e_menuothermode[]	INIT(= N_("E328: Menu only exists in another mode"));
#endif
EXTERN char e_invalwindow[]	INIT(= N_("E957: Invalid window number"));
EXTERN char e_listarg[]		INIT(= N_("E686: Argument of %s must be a List"));
#ifdef FEAT_EVAL
EXTERN char e_missing_colon[]	INIT(= N_("E109: Missing ':' after '?'"));
EXTERN char e_missing_in[]	INIT(= N_("E690: Missing \"in\" after :for"));
EXTERN char e_unknownfunc[]	INIT(= N_("E117: Unknown function: %s"));
EXTERN char e_missbrac[]	INIT(= N_("E111: Missing ']'"));
EXTERN char e_else_without_if[] INIT(= N_("E581: :else without :if"));
EXTERN char e_elseif_without_if[] INIT(= N_("E582: :elseif without :if"));
EXTERN char e_endif_without_if[] INIT(= N_("E580: :endif without :if"));
EXTERN char e_continue[]	INIT(= N_("E586: :continue without :while or :for"));
EXTERN char e_break[]		INIT(= N_("E587: :break without :while or :for"));
EXTERN char e_nowhitespace[]	INIT(= N_("E274: No white space allowed before parenthesis"));

EXTERN char e_lock_unlock[]	INIT(= N_("E940: Cannot lock or unlock variable %s"));
#endif

#if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS)
EXTERN char e_alloc_color[]	INIT(= N_("E254: Cannot allocate color %s"));
#endif
EXTERN char e_chan_or_job_req[]	INIT(= N_("E706: Channel or Job required"));
EXTERN char e_jobreq[]		INIT(= N_("E693: Job required"));

EXTERN char top_bot_msg[] INIT(= N_("search hit TOP, continuing at BOTTOM"));
EXTERN char bot_top_msg[] INIT(= N_("search hit BOTTOM, continuing at TOP"));

EXTERN char line_msg[]		INIT(= N_(" line "));

#ifdef FEAT_CRYPT
EXTERN char need_key_msg[] INIT(= N_("Need encryption key for \"%s\""));
#endif

/*
 * Comms. with the session manager (XSMP)
 */
#ifdef USE_XSMP
EXTERN int xsmp_icefd INIT(= -1);   // The actual connection
#endif

// For undo we need to know the lowest time possible.
EXTERN time_T starttime;

#ifdef STARTUPTIME
EXTERN FILE *time_fd INIT(= NULL);  // where to write startup timing
#endif

/*
 * Some compilers warn for not using a return value, but in some situations we
 * can't do anything useful with the value.  Assign to this variable to avoid
 * the warning.
 */
EXTERN int vim_ignored;
EXTERN char *vim_ignoredp;

#ifdef FEAT_EVAL
// set by alloc_fail(): ID
EXTERN alloc_id_T  alloc_fail_id INIT(= aid_none);
// set by alloc_fail(), when zero alloc() returns NULL
EXTERN int  alloc_fail_countdown INIT(= -1);
// set by alloc_fail(), number of times alloc() returns NULL
EXTERN int  alloc_fail_repeat INIT(= 0);

// flags set by test_override()
EXTERN int  disable_char_avail_for_testing INIT(= FALSE);
EXTERN int  disable_redraw_for_testing INIT(= FALSE);
EXTERN int  ignore_redraw_flag_for_testing INIT(= FALSE);
EXTERN int  nfa_fail_for_testing INIT(= FALSE);
EXTERN int  no_query_mouse_for_testing INIT(= FALSE);
EXTERN int  ui_delay_for_testing INIT(= 0);
EXTERN int  reset_term_props_on_termresponse INIT(= FALSE);
EXTERN long override_sysinfo_uptime INIT(= -1);

EXTERN int  in_free_unref_items INIT(= FALSE);
#endif

#ifdef FEAT_TIMERS
EXTERN int  did_add_timer INIT(= FALSE);
EXTERN int  timer_busy INIT(= 0);   // when timer is inside vgetc() then > 0
#endif
#ifdef FEAT_EVAL
EXTERN int  input_busy INIT(= 0);   // when inside get_user_input() then > 0
#endif

#ifdef FEAT_BEVAL_TERM
EXTERN int  bevalexpr_due_set INIT(= FALSE);
EXTERN proftime_T bevalexpr_due;
#endif

#ifdef FEAT_EVAL
EXTERN time_T time_for_testing INIT(= 0);

EXTERN int echo_attr INIT(= 0);   // attributes used for ":echo"

// Abort conversion to string after a recursion error.
EXTERN int  did_echo_string_emsg INIT(= FALSE);

// Used for checking if local variables or arguments used in a lambda.
EXTERN int *eval_lavars_used INIT(= NULL);

// Only filled for Win32.
EXTERN char windowsVersion[20] INIT(= {0});

// Used for lv_first in a non-materialized range() list.
EXTERN listitem_T range_list_item;

// Passed to an eval() function to enable evaluation.
EXTERN evalarg_T EVALARG_EVALUATE
# ifdef DO_INIT
	= {EVAL_EVALUATE, 0, NULL, NULL, NULL, NULL, {0, 0, 0, 0, NULL},
					  {0, 0, 0, 0, NULL}, NULL, NULL, NULL}
# endif
	;
#endif

#ifdef MSWIN
# ifdef PROTO
typedef int HINSTANCE;
# endif
EXTERN int ctrl_break_was_pressed INIT(= FALSE);
EXTERN HINSTANCE g_hinst INIT(= NULL);
#endif

#if defined(FEAT_JOB_CHANNEL)
EXTERN int did_repeated_msg INIT(= 0);
# define REPEATED_MSG_LOOKING	    1
# define REPEATED_MSG_SAFESTATE	    2

// This flag is set when outputting a terminal control code and reset in
// out_flush() when characters have been written.
EXTERN int ch_log_output INIT(= FALSE);

// Whether a redraw is needed for appending a line to a buffer.
EXTERN int channel_need_redraw INIT(= FALSE);

#define FOR_ALL_CHANNELS(ch) \
    for ((ch) = first_channel; (ch) != NULL; (ch) = (ch)->ch_next)
#define FOR_ALL_JOBS(job) \
    for ((job) = first_job; (job) != NULL; (job) = (job)->jv_next)
#endif

#if defined(FEAT_DIFF)
#define FOR_ALL_DIFFBLOCKS_IN_TAB(tp, dp) \
    for ((dp) = (tp)->tp_first_diff; (dp) != NULL; (dp) = (dp)->df_next)
#endif

#define FOR_ALL_LIST_ITEMS(l, li) \
    for ((li) = (l)->lv_first; (li) != NULL; (li) = (li)->li_next)

// While executing a regexp and set to OPTION_MAGIC_ON or OPTION_MAGIC_OFF this
// overrules p_magic.  Otherwise set to OPTION_MAGIC_NOT_SET.
EXTERN optmagic_T magic_overruled INIT(= OPTION_MAGIC_NOT_SET);