summaryrefslogtreecommitdiff
path: root/src/structs.h
blob: d434bfee458d3b7adc05a2eb05ec44576c25164b (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
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
2030
2031
2032
2033
2034
2035
2036
2037
2038
2039
2040
2041
2042
2043
2044
2045
2046
2047
2048
2049
2050
2051
2052
2053
2054
2055
2056
2057
2058
2059
2060
2061
2062
2063
2064
2065
2066
2067
2068
2069
2070
2071
2072
2073
2074
2075
2076
2077
2078
2079
2080
2081
2082
2083
2084
2085
2086
2087
2088
2089
2090
2091
2092
2093
2094
2095
2096
2097
2098
2099
2100
2101
2102
2103
2104
2105
2106
2107
2108
2109
2110
2111
2112
2113
2114
2115
2116
2117
2118
2119
2120
2121
2122
2123
2124
2125
2126
2127
2128
2129
2130
2131
2132
2133
2134
2135
2136
2137
2138
2139
2140
2141
2142
2143
2144
2145
2146
2147
2148
2149
2150
2151
2152
2153
2154
2155
2156
2157
2158
2159
2160
2161
2162
2163
2164
2165
2166
2167
2168
2169
2170
2171
2172
2173
2174
2175
2176
2177
2178
2179
2180
2181
2182
2183
2184
2185
2186
2187
2188
2189
2190
2191
2192
2193
2194
2195
2196
2197
2198
2199
2200
2201
2202
2203
2204
2205
2206
2207
2208
2209
2210
2211
2212
2213
2214
2215
2216
2217
2218
2219
2220
2221
2222
2223
2224
2225
2226
2227
2228
2229
2230
2231
2232
2233
2234
2235
2236
2237
2238
2239
2240
2241
2242
2243
2244
2245
2246
2247
2248
2249
2250
2251
2252
2253
2254
2255
2256
2257
2258
2259
2260
2261
2262
2263
2264
2265
2266
2267
2268
2269
2270
2271
2272
2273
2274
2275
2276
2277
2278
2279
2280
2281
2282
2283
2284
2285
2286
2287
2288
2289
2290
2291
2292
2293
2294
2295
2296
2297
2298
2299
2300
2301
2302
2303
2304
2305
2306
2307
2308
2309
2310
2311
2312
2313
2314
2315
2316
2317
2318
2319
2320
2321
2322
2323
2324
2325
2326
2327
2328
2329
2330
2331
2332
2333
2334
2335
2336
2337
2338
2339
2340
2341
2342
2343
2344
2345
2346
2347
2348
2349
2350
2351
2352
2353
2354
2355
2356
2357
2358
2359
2360
2361
2362
2363
2364
2365
2366
2367
2368
2369
2370
2371
2372
2373
2374
2375
2376
2377
2378
2379
2380
2381
2382
2383
2384
2385
2386
2387
2388
/* vi:set ts=8 sts=4 sw=4:
 *
 * 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.
 */

/*
 * This file contains various definitions of structures that are used by Vim
 */

/*
 * There is something wrong in the SAS compiler that makes typedefs not
 * valid in include files.  Has been fixed in version 6.58.
 */
#if defined(SASC) && SASC < 658
typedef long		linenr_T;
typedef int		colnr_T;
typedef unsigned short	short_u;
#endif

/*
 * position in file or buffer
 */
typedef struct
{
    linenr_T	lnum;	/* line number */
    colnr_T	col;	/* column number */
#ifdef FEAT_VIRTUALEDIT
    colnr_T	coladd;
#endif
} pos_T;

#ifdef FEAT_VIRTUALEDIT
# define INIT_POS_T(l, c, ca) {l, c, ca}
#else
# define INIT_POS_T(l, c, ca) {l, c}
#endif

/*
 * Same, but without coladd.
 */
typedef struct
{
    linenr_T	lnum;	/* line number */
    colnr_T	col;	/* column number */
} lpos_T;

/*
 * Structure used for growing arrays.
 * This is used to store information that only grows, is deleted all at
 * once, and needs to be accessed by index.  See ga_clear() and ga_grow().
 */
typedef struct growarray
{
    int	    ga_len;		    /* current number of items used */
    int	    ga_maxlen;		    /* maximum number of items possible */
    int	    ga_itemsize;	    /* sizeof(item) */
    int	    ga_growsize;	    /* number of items to grow each time */
    void    *ga_data;		    /* pointer to the first item */
} garray_T;

#define GA_EMPTY    {0, 0, 0, 0, NULL}

/*
 * This is here because regexp.h needs pos_T and below regprog_T is used.
 */
#include "regexp.h"

typedef struct window_S		win_T;
typedef struct wininfo_S	wininfo_T;
typedef struct frame_S		frame_T;
typedef int			scid_T;		/* script ID */

/*
 * This is here because gui.h needs the pos_T and win_T, and win_T needs gui.h
 * for scrollbar_T.
 */
#ifdef FEAT_GUI
# include "gui.h"
#else
# ifdef FEAT_XCLIPBOARD
#  include <X11/Intrinsic.h>
# endif
# define guicolor_T int		/* avoid error in prototypes */
#endif

/*
 * marks: positions in a file
 * (a normal mark is a lnum/col pair, the same as a file position)
 */

/* (Note: for EBCDIC there are more than 26, because there are gaps in the
 * alphabet coding.  To minimize changes to the code, I decided to just
 * increase the number of possible marks. */
#define NMARKS		('z' - 'a' + 1)	/* max. # of named marks */
#define JUMPLISTSIZE	100		/* max. # of marks in jump list */
#define TAGSTACKSIZE	20		/* max. # of tags in tag stack */

typedef struct filemark
{
    pos_T	mark;		/* cursor position */
    int		fnum;		/* file number */
} fmark_T;

/* Xtended file mark: also has a file name */
typedef struct xfilemark
{
    fmark_T	fmark;
    char_u	*fname;		/* file name, used when fnum == 0 */
} xfmark_T;

/*
 * The taggy struct is used to store the information about a :tag command.
 */
typedef struct taggy
{
    char_u	*tagname;	/* tag name */
    fmark_T	fmark;		/* cursor position BEFORE ":tag" */
    int		cur_match;	/* match number */
    int		cur_fnum;	/* buffer number used for cur_match */
} taggy_T;

/*
 * Structure that contains all options that are local to a window.
 * Used twice in a window: for the current buffer and for all buffers.
 * Also used in wininfo_T.
 */
typedef struct
{
#ifdef FEAT_ARABIC
    int		wo_arab;
# define w_p_arab w_onebuf_opt.wo_arab	/* 'arabic' */
#endif
#ifdef FEAT_DIFF
    int		wo_diff;
# define w_p_diff w_onebuf_opt.wo_diff	/* 'diff' */
#endif
#ifdef FEAT_FOLDING
    long	wo_fdc;
# define w_p_fdc w_onebuf_opt.wo_fdc	/* 'foldcolumn' */
    int		wo_fen;
# define w_p_fen w_onebuf_opt.wo_fen	/* 'foldenable' */
    char_u	*wo_fdi;
# define w_p_fdi w_onebuf_opt.wo_fdi	/* 'foldignore' */
    long	wo_fdl;
# define w_p_fdl w_onebuf_opt.wo_fdl	/* 'foldlevel' */
    char_u	*wo_fdm;
# define w_p_fdm w_onebuf_opt.wo_fdm	/* 'foldmethod' */
    long	wo_fml;
# define w_p_fml w_onebuf_opt.wo_fml	/* 'foldminlines' */
    long	wo_fdn;
# define w_p_fdn w_onebuf_opt.wo_fdn	/* 'foldnestmax' */
# ifdef FEAT_EVAL
    char_u	*wo_fde;
# define w_p_fde w_onebuf_opt.wo_fde	/* 'foldexpr' */
    char_u	*wo_fdt;
#  define w_p_fdt w_onebuf_opt.wo_fdt	/* 'foldtext' */
# endif
    char_u	*wo_fmr;
# define w_p_fmr w_onebuf_opt.wo_fmr	/* 'foldmarker' */
#endif
#ifdef FEAT_LINEBREAK
    int		wo_lbr;
# define w_p_lbr w_onebuf_opt.wo_lbr	/* 'linebreak' */
#endif
    int		wo_list;
#define w_p_list w_onebuf_opt.wo_list	/* 'list' */
    int		wo_nu;
#define w_p_nu w_onebuf_opt.wo_nu	/* 'number' */
#ifdef FEAT_LINEBREAK
    long	wo_nuw;
# define w_p_nuw w_onebuf_opt.wo_nuw	/* 'numberwidth' */
#endif
#if defined(FEAT_WINDOWS)
    int		wo_wfh;
# define w_p_wfh w_onebuf_opt.wo_wfh	/* 'winfixheight' */
    int		wo_wfw;
# define w_p_wfw w_onebuf_opt.wo_wfw	/* 'winfixwidth' */
#endif
#if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
    int		wo_pvw;
# define w_p_pvw w_onebuf_opt.wo_pvw	/* 'previewwindow' */
#endif
#ifdef FEAT_RIGHTLEFT
    int		wo_rl;
# define w_p_rl w_onebuf_opt.wo_rl	/* 'rightleft' */
    char_u	*wo_rlc;
# define w_p_rlc w_onebuf_opt.wo_rlc	/* 'rightleftcmd' */
#endif
    long	wo_scr;
#define w_p_scr w_onebuf_opt.wo_scr	/* 'scroll' */
#ifdef FEAT_SPELL
    int		wo_spell;
# define w_p_spell w_onebuf_opt.wo_spell /* 'spell' */
#endif
#ifdef FEAT_SYN_HL
    int		wo_cuc;
# define w_p_cuc w_onebuf_opt.wo_cuc	/* 'cursorcolumn' */
    int		wo_cul;
# define w_p_cul w_onebuf_opt.wo_cul	/* 'cursorline' */
#endif
#ifdef FEAT_STL_OPT
    char_u	*wo_stl;
#define w_p_stl w_onebuf_opt.wo_stl	/* 'statusline' */
#endif
#ifdef FEAT_SCROLLBIND
    int		wo_scb;
# define w_p_scb w_onebuf_opt.wo_scb	/* 'scrollbind' */
#endif
    int		wo_wrap;
#define w_p_wrap w_onebuf_opt.wo_wrap	/* 'wrap' */

#ifdef FEAT_EVAL
    int		wo_scriptID[WV_COUNT];	/* SIDs for window-local options */
# define w_p_scriptID w_onebuf_opt.wo_scriptID
#endif
} winopt_T;

/*
 * Window info stored with a buffer.
 *
 * Two types of info are kept for a buffer which are associated with a
 * specific window:
 * 1. Each window can have a different line number associated with a buffer.
 * 2. The window-local options for a buffer work in a similar way.
 * The window-info is kept in a list at b_wininfo.  It is kept in
 * most-recently-used order.
 */
struct wininfo_S
{
    wininfo_T	*wi_next;	/* next entry or NULL for last entry */
    wininfo_T	*wi_prev;	/* previous entry or NULL for first entry */
    win_T	*wi_win;	/* pointer to window that did set wi_fpos */
    pos_T	wi_fpos;	/* last cursor position in the file */
    int		wi_optset;	/* TRUE when wi_opt has useful values */
    winopt_T	wi_opt;		/* local window options */
#ifdef FEAT_FOLDING
    int		wi_fold_manual;	/* copy of w_fold_manual */
    garray_T	wi_folds;	/* clone of w_folds */
#endif
};

/*
 * Info used to pass info about a fold from the fold-detection code to the
 * code that displays the foldcolumn.
 */
typedef struct foldinfo
{
    int		fi_level;	/* level of the fold; when this is zero the
				   other fields are invalid */
    int		fi_lnum;	/* line number where fold starts */
    int		fi_low_level;	/* lowest fold level that starts in the same
				   line */
} foldinfo_T;

/* Structure to store info about the Visual area. */
typedef struct
{
    pos_T	vi_start;	/* start pos of last VIsual */
    pos_T	vi_end;		/* end position of last VIsual */
    int		vi_mode;	/* VIsual_mode of last VIsual */
    colnr_T	vi_curswant;	/* MAXCOL from w_curswant */
} visualinfo_T;

/*
 * structures used for undo
 */

typedef struct u_entry u_entry_T;
typedef struct u_header u_header_T;
struct u_entry
{
    u_entry_T	*ue_next;	/* pointer to next entry in list */
    linenr_T	ue_top;		/* number of line above undo block */
    linenr_T	ue_bot;		/* number of line below undo block */
    linenr_T	ue_lcount;	/* linecount when u_save called */
    char_u	**ue_array;	/* array of lines in undo block */
    long	ue_size;	/* number of lines in ue_array */
#ifdef U_DEBUG
    int		ue_magic;	/* magic number to check allocation */
#endif
};

struct u_header
{
    u_header_T	*uh_next;	/* pointer to next undo header in list */
    u_header_T	*uh_prev;	/* pointer to previous header in list */
    u_header_T	*uh_alt_next;	/* pointer to next header for alt. redo */
    u_header_T	*uh_alt_prev;	/* pointer to previous header for alt. redo */
    long	uh_seq;		/* sequence number, higher == newer undo */
    int		uh_walk;	/* used by undo_time() */
    u_entry_T	*uh_entry;	/* pointer to first entry */
    u_entry_T	*uh_getbot_entry; /* pointer to where ue_bot must be set */
    pos_T	uh_cursor;	/* cursor position before saving */
#ifdef FEAT_VIRTUALEDIT
    long	uh_cursor_vcol;
#endif
    int		uh_flags;	/* see below */
    pos_T	uh_namedm[NMARKS];	/* marks before undo/after redo */
#ifdef FEAT_VISUAL
    visualinfo_T uh_visual;	/* Visual areas before undo/after redo */
#endif
    time_t	uh_time;	/* timestamp when the change was made */
#ifdef U_DEBUG
    int		uh_magic;	/* magic number to check allocation */
#endif
};

/* values for uh_flags */
#define UH_CHANGED  0x01	/* b_changed flag before undo/after redo */
#define UH_EMPTYBUF 0x02	/* buffer was empty */

/*
 * structures used in undo.c
 */
#if SIZEOF_INT > 2
# define ALIGN_LONG	/* longword alignment and use filler byte */
# define ALIGN_SIZE (sizeof(long))
#else
# define ALIGN_SIZE (sizeof(short))
#endif

#define ALIGN_MASK (ALIGN_SIZE - 1)

typedef struct m_info minfo_T;

/*
 * structure used to link chunks in one of the free chunk lists.
 */
struct m_info
{
#ifdef ALIGN_LONG
    long_u	m_size;		/* size of the chunk (including m_info) */
#else
    short_u	m_size;		/* size of the chunk (including m_info) */
#endif
    minfo_T	*m_next;	/* pointer to next free chunk in the list */
};

/*
 * structure used to link blocks in the list of allocated blocks.
 */
typedef struct m_block mblock_T;
struct m_block
{
    mblock_T	*mb_next;	/* pointer to next allocated block */
    size_t	mb_size;	/* total size of all chunks in this block */
    size_t	mb_maxsize;	/* size of largest fee chunk */
    minfo_T	mb_info;	/* head of free chunk list for this block */
};

/*
 * things used in memfile.c
 */

typedef struct block_hdr    bhdr_T;
typedef struct memfile	    memfile_T;
typedef long		    blocknr_T;

/*
 * for each (previously) used block in the memfile there is one block header.
 *
 * The block may be linked in the used list OR in the free list.
 * The used blocks are also kept in hash lists.
 *
 * The used list is a doubly linked list, most recently used block first.
 *	The blocks in the used list have a block of memory allocated.
 *	mf_used_count is the number of pages in the used list.
 * The hash lists are used to quickly find a block in the used list.
 * The free list is a single linked list, not sorted.
 *	The blocks in the free list have no block of memory allocated and
 *	the contents of the block in the file (if any) is irrelevant.
 */

struct block_hdr
{
    bhdr_T	*bh_next;	    /* next block_hdr in free or used list */
    bhdr_T	*bh_prev;	    /* previous block_hdr in used list */
    bhdr_T	*bh_hash_next;	    /* next block_hdr in hash list */
    bhdr_T	*bh_hash_prev;	    /* previous block_hdr in hash list */
    blocknr_T	bh_bnum;		/* block number */
    char_u	*bh_data;	    /* pointer to memory (for used block) */
    int		bh_page_count;	    /* number of pages in this block */

#define BH_DIRTY    1
#define BH_LOCKED   2
    char	bh_flags;	    /* BH_DIRTY or BH_LOCKED */
};

/*
 * when a block with a negative number is flushed to the file, it gets
 * a positive number. Because the reference to the block is still the negative
 * number, we remember the translation to the new positive number in the
 * double linked trans lists. The structure is the same as the hash lists.
 */
typedef struct nr_trans NR_TRANS;

struct nr_trans
{
    NR_TRANS	*nt_next;		/* next nr_trans in hash list */
    NR_TRANS	*nt_prev;		/* previous nr_trans in hash list */
    blocknr_T	nt_old_bnum;		/* old, negative, number */
    blocknr_T	nt_new_bnum;		/* new, positive, number */
};

/*
 * structure used to store one block of the stuff/redo/recording buffers
 */
struct buffblock
{
    struct buffblock	*b_next;	/* pointer to next buffblock */
    char_u		b_str[1];	/* contents (actually longer) */
};

/*
 * header used for the stuff buffer and the redo buffer
 */
struct buffheader
{
    struct buffblock	bh_first;	/* first (dummy) block of list */
    struct buffblock	*bh_curr;	/* buffblock for appending */
    int			bh_index;	/* index for reading */
    int			bh_space;	/* space in bh_curr for appending */
};

/*
 * used for completion on the command line
 */
typedef struct expand
{
    int		xp_context;		/* type of expansion */
    char_u	*xp_pattern;		/* start of item to expand */
    int		xp_pattern_len;		/* bytes in xp_pattern before cursor */
#if defined(FEAT_USR_CMDS) && defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
    char_u	*xp_arg;		/* completion function */
    int		xp_scriptID;		/* SID for completion function */
#endif
    int		xp_backslash;		/* one of the XP_BS_ values */
#ifndef BACKSLASH_IN_FILENAME
    int		xp_shell;		/* for a shell command more characters
					   need to be escaped */
#endif
    int		xp_numfiles;		/* number of files found by
						    file name completion */
    char_u	**xp_files;		/* list of files */
} expand_T;

/* values for xp_backslash */
#define XP_BS_NONE	0	/* nothing special for backslashes */
#define XP_BS_ONE	1	/* uses one backslash before a space */
#define XP_BS_THREE	2	/* uses three backslashes before a space */

/*
 * Command modifiers ":vertical", ":browse", ":confirm" and ":hide" set a flag.
 * This needs to be saved for recursive commands, put them in a structure for
 * easy manipulation.
 */
typedef struct
{
    int		hide;			/* TRUE when ":hide" was used */
# ifdef FEAT_BROWSE_CMD
    int		browse;			/* TRUE to invoke file dialog */
# endif
# ifdef FEAT_WINDOWS
    int		split;			/* flags for win_split() */
    int		tab;			/* > 0 when ":tab" was used */
# endif
# if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
    int		confirm;		/* TRUE to invoke yes/no dialog */
# endif
    int		keepalt;		/* TRUE when ":keepalt" was used */
    int		keepmarks;		/* TRUE when ":keepmarks" was used */
    int		keepjumps;		/* TRUE when ":keepjumps" was used */
    int		lockmarks;		/* TRUE when ":lockmarks" was used */
# ifdef FEAT_AUTOCMD
    char_u	*save_ei;		/* saved value of 'eventignore' */
# endif
} cmdmod_T;

/*
 * Simplistic hashing scheme to quickly locate the blocks in the used list.
 * 64 blocks are found directly (64 * 4K = 256K, most files are smaller).
 */
#define MEMHASHSIZE	64
#define MEMHASH(nr)	((nr) & (MEMHASHSIZE - 1))

struct memfile
{
    char_u	*mf_fname;		/* name of the file */
    char_u	*mf_ffname;		/* idem, full path */
    int		mf_fd;			/* file descriptor */
    bhdr_T	*mf_free_first;		/* first block_hdr in free list */
    bhdr_T	*mf_used_first;		/* mru block_hdr in used list */
    bhdr_T	*mf_used_last;		/* lru block_hdr in used list */
    unsigned	mf_used_count;		/* number of pages in used list */
    unsigned	mf_used_count_max;	/* maximum number of pages in memory */
    bhdr_T	*mf_hash[MEMHASHSIZE];	/* array of hash lists */
    NR_TRANS	*mf_trans[MEMHASHSIZE];	/* array of trans lists */
    blocknr_T	mf_blocknr_max;		/* highest positive block number + 1*/
    blocknr_T	mf_blocknr_min;		/* lowest negative block number - 1 */
    blocknr_T	mf_neg_count;		/* number of negative blocks numbers */
    blocknr_T	mf_infile_count;	/* number of pages in the file */
    unsigned	mf_page_size;		/* number of bytes in a page */
    int		mf_dirty;		/* TRUE if there are dirty blocks */
};

/*
 * things used in memline.c
 */
/*
 * When searching for a specific line, we remember what blocks in the tree
 * are the branches leading to that block. This is stored in ml_stack.  Each
 * entry is a pointer to info in a block (may be data block or pointer block)
 */
typedef struct info_pointer
{
    blocknr_T	ip_bnum;	/* block number */
    linenr_T	ip_low;		/* lowest lnum in this block */
    linenr_T	ip_high;	/* highest lnum in this block */
    int		ip_index;	/* index for block with current lnum */
} infoptr_T;	/* block/index pair */

#ifdef FEAT_BYTEOFF
typedef struct ml_chunksize
{
    int		mlcs_numlines;
    long	mlcs_totalsize;
} chunksize_T;

 /* Flags when calling ml_updatechunk() */

#define ML_CHNK_ADDLINE 1
#define ML_CHNK_DELLINE 2
#define ML_CHNK_UPDLINE 3
#endif

/*
 * the memline structure holds all the information about a memline
 */
typedef struct memline
{
    linenr_T	ml_line_count;	/* number of lines in the buffer */

    memfile_T	*ml_mfp;	/* pointer to associated memfile */

#define ML_EMPTY	1	/* empty buffer */
#define ML_LINE_DIRTY	2	/* cached line was changed and allocated */
#define ML_LOCKED_DIRTY	4	/* ml_locked was changed */
#define ML_LOCKED_POS	8	/* ml_locked needs positive block number */
    int		ml_flags;

    infoptr_T	*ml_stack;	/* stack of pointer blocks (array of IPTRs) */
    int		ml_stack_top;	/* current top if ml_stack */
    int		ml_stack_size;	/* total number of entries in ml_stack */

    linenr_T	ml_line_lnum;	/* line number of cached line, 0 if not valid */
    char_u	*ml_line_ptr;	/* pointer to cached line */

    bhdr_T	*ml_locked;	/* block used by last ml_get */
    linenr_T	ml_locked_low;	/* first line in ml_locked */
    linenr_T	ml_locked_high;	/* last line in ml_locked */
    int		ml_locked_lineadd;  /* number of lines inserted in ml_locked */
#ifdef FEAT_BYTEOFF
    chunksize_T *ml_chunksize;
    int		ml_numchunks;
    int		ml_usedchunks;
#endif
} memline_T;

#if defined(FEAT_SIGNS) || defined(PROTO)
typedef struct signlist signlist_T;

struct signlist
{
    int		id;		/* unique identifier for each placed sign */
    linenr_T	lnum;		/* line number which has this sign */
    int		typenr;		/* typenr of sign */
    signlist_T	*next;		/* next signlist entry */
# ifdef FEAT_NETBEANS_INTG
    signlist_T  *prev;		/* previous entry -- for easy reordering */
# endif
};

/* type argument for buf_getsigntype() */
#define SIGN_ANY	0
#define SIGN_LINEHL	1
#define SIGN_ICON	2
#define SIGN_TEXT	3
#endif

/*
 * Argument list: Array of file names.
 * Used for the global argument list and the argument lists local to a window.
 */
typedef struct arglist
{
    garray_T	al_ga;		/* growarray with the array of file names */
    int		al_refcount;	/* number of windows using this arglist */
} alist_T;

/*
 * For each argument remember the file name as it was given, and the buffer
 * number that contains the expanded file name (required for when ":cd" is
 * used.
 */
typedef struct argentry
{
    char_u	*ae_fname;	/* file name as specified */
    int		ae_fnum;	/* buffer number with expanded file name */
} aentry_T;

#ifdef FEAT_WINDOWS
# define ALIST(win) (win)->w_alist
#else
# define ALIST(win) (&global_alist)
#endif
#define GARGLIST	((aentry_T *)global_alist.al_ga.ga_data)
#define ARGLIST		((aentry_T *)ALIST(curwin)->al_ga.ga_data)
#define WARGLIST(wp)	((aentry_T *)ALIST(wp)->al_ga.ga_data)
#define AARGLIST(al)	((aentry_T *)((al)->al_ga.ga_data))
#define GARGCOUNT	(global_alist.al_ga.ga_len)
#define ARGCOUNT	(ALIST(curwin)->al_ga.ga_len)
#define WARGCOUNT(wp)	(ALIST(wp)->al_ga.ga_len)

/*
 * A list used for saving values of "emsg_silent".  Used by ex_try() to save the
 * value of "emsg_silent" if it was non-zero.  When this is done, the CSF_SILENT
 * flag below is set.
 */

typedef struct eslist_elem eslist_T;
struct eslist_elem
{
    int		saved_emsg_silent;	/* saved value of "emsg_silent" */
    eslist_T	*next;			/* next element on the list */
};

/*
 * For conditional commands a stack is kept of nested conditionals.
 * When cs_idx < 0, there is no conditional command.
 */
#define CSTACK_LEN	50

struct condstack
{
    short	cs_flags[CSTACK_LEN];	/* CSF_ flags */
    char	cs_pending[CSTACK_LEN];	/* CSTP_: what's pending in ":finally"*/
    union {
	void	*csp_rv[CSTACK_LEN];	/* return typeval for pending return */
	void	*csp_ex[CSTACK_LEN];	/* exception for pending throw */
    }		cs_pend;
    void	*cs_forinfo[CSTACK_LEN]; /* info used by ":for" */
    int		cs_line[CSTACK_LEN];	/* line nr of ":while"/":for" line */
    int		cs_idx;			/* current entry, or -1 if none */
    int		cs_looplevel;		/* nr of nested ":while"s and ":for"s */
    int		cs_trylevel;		/* nr of nested ":try"s */
    eslist_T	*cs_emsg_silent_list;	/* saved values of "emsg_silent" */
    char	cs_lflags;		/* loop flags: CSL_ flags */
};
# define cs_rettv	cs_pend.csp_rv
# define cs_exception	cs_pend.csp_ex

/* There is no CSF_IF, the lack of CSF_WHILE, CSF_FOR and CSF_TRY means ":if"
 * was used. */
# define CSF_TRUE	0x0001	/* condition was TRUE */
# define CSF_ACTIVE	0x0002	/* current state is active */
# define CSF_ELSE	0x0004	/* ":else" has been passed */
# define CSF_WHILE	0x0008	/* is a ":while" */
# define CSF_FOR	0x0010	/* is a ":for" */

# define CSF_TRY	0x0100	/* is a ":try" */
# define CSF_FINALLY	0x0200	/* ":finally" has been passed */
# define CSF_THROWN	0x0400	/* exception thrown to this try conditional */
# define CSF_CAUGHT	0x0800  /* exception caught by this try conditional */
# define CSF_SILENT	0x1000	/* "emsg_silent" reset by ":try" */
/* Note that CSF_ELSE is only used when CSF_TRY and CSF_WHILE are unset
 * (an ":if"), and CSF_SILENT is only used when CSF_TRY is set. */

/*
 * What's pending for being reactivated at the ":endtry" of this try
 * conditional:
 */
# define CSTP_NONE	0	/* nothing pending in ":finally" clause */
# define CSTP_ERROR	1	/* an error is pending */
# define CSTP_INTERRUPT	2	/* an interrupt is pending */
# define CSTP_THROW	4	/* a throw is pending */
# define CSTP_BREAK	8	/* ":break" is pending */
# define CSTP_CONTINUE	16	/* ":continue" is pending */
# define CSTP_RETURN	24	/* ":return" is pending */
# define CSTP_FINISH	32	/* ":finish" is pending */

/*
 * Flags for the cs_lflags item in struct condstack.
 */
# define CSL_HAD_LOOP	 1	/* just found ":while" or ":for" */
# define CSL_HAD_ENDLOOP 2	/* just found ":endwhile" or ":endfor" */
# define CSL_HAD_CONT	 4	/* just found ":continue" */
# define CSL_HAD_FINA	 8	/* just found ":finally" */

/*
 * A list of error messages that can be converted to an exception.  "throw_msg"
 * is only set in the first element of the list.  Usually, it points to the
 * original message stored in that element, but sometimes it points to a later
 * message in the list.  See cause_errthrow() below.
 */
struct msglist
{
    char_u		*msg;		/* original message */
    char_u		*throw_msg;	/* msg to throw: usually original one */
    struct msglist	*next;		/* next of several messages in a row */
};

/*
 * Structure describing an exception.
 * (don't use "struct exception", it's used by the math library).
 */
typedef struct vim_exception except_T;
struct vim_exception
{
    int			type;		/* exception type */
    char_u		*value;		/* exception value */
    struct msglist	*messages;	/* message(s) causing error exception */
    char_u		*throw_name;	/* name of the throw point */
    linenr_T		throw_lnum;	/* line number of the throw point */
    except_T		*caught;	/* next exception on the caught stack */
};

/*
 * The exception types.
 */
#define ET_USER		0	/* exception caused by ":throw" command */
#define ET_ERROR	1	/* error exception */
#define ET_INTERRUPT	2	/* interrupt exception triggered by Ctrl-C */

/*
 * Structure to save the error/interrupt/exception state between calls to
 * enter_cleanup() and leave_cleanup().  Must be allocated as an automatic
 * variable by the (common) caller of these functions.
 */
typedef struct cleanup_stuff cleanup_T;
struct cleanup_stuff
{
    int pending;		/* error/interrupt/exception state */
    except_T *exception;	/* exception value */
};

#ifdef FEAT_SYN_HL
/* struct passed to in_id_list() */
struct sp_syn
{
    int		inc_tag;	/* ":syn include" unique tag */
    short	id;		/* highlight group ID of item */
    short	*cont_in_list;	/* cont.in group IDs, if non-zero */
};

/*
 * Each keyword has one keyentry, which is linked in a hash list.
 */
typedef struct keyentry keyentry_T;

struct keyentry
{
    keyentry_T	*ke_next;	/* next entry with identical "keyword[]" */
    struct sp_syn k_syn;	/* struct passed to in_id_list() */
    short	*next_list;	/* ID list for next match (if non-zero) */
    short	flags;		/* see syntax.c */
    char_u	keyword[1];	/* actually longer */
};

/*
 * Struct used to store one state of the state stack.
 */
typedef struct buf_state
{
    int		    bs_idx;	 /* index of pattern */
    long	    bs_flags;	 /* flags for pattern */
    reg_extmatch_T *bs_extmatch; /* external matches from start pattern */
} bufstate_T;

/*
 * syn_state contains the syntax state stack for the start of one line.
 * Used by b_sst_array[].
 */
typedef struct syn_state synstate_T;

struct syn_state
{
    synstate_T	*sst_next;	/* next entry in used or free list */
    linenr_T	sst_lnum;	/* line number for this state */
    union
    {
	bufstate_T	sst_stack[SST_FIX_STATES]; /* short state stack */
	garray_T	sst_ga;	/* growarray for long state stack */
    } sst_union;
    int		sst_next_flags;	/* flags for sst_next_list */
    int		sst_stacksize;	/* number of states on the stack */
    short	*sst_next_list;	/* "nextgroup" list in this state
				 * (this is a copy, don't free it! */
    disptick_T	sst_tick;	/* tick when last displayed */
    linenr_T	sst_change_lnum;/* when non-zero, change in this line
				 * may have made the state invalid */
};
#endif /* FEAT_SYN_HL */

/*
 * Structure shared between syntax.c, screen.c and gui_x11.c.
 */
typedef struct attr_entry
{
    short	    ae_attr;		/* HL_BOLD, etc. */
    union
    {
	struct
	{
	    char_u	    *start;	/* start escape sequence */
	    char_u	    *stop;	/* stop escape sequence */
	} term;
	struct
	{
	    /* These colors need to be > 8 bits to hold 256. */
	    short_u	    fg_color;	/* foreground color number */
	    short_u	    bg_color;	/* background color number */
	} cterm;
# ifdef FEAT_GUI
	struct
	{
	    guicolor_T	    fg_color;	/* foreground color handle */
	    guicolor_T	    bg_color;	/* background color handle */
	    guicolor_T	    sp_color;	/* special color handle */
	    GuiFont	    font;	/* font handle */
#  ifdef FEAT_XFONTSET
	    GuiFontset	    fontset;	/* fontset handle */
#  endif
	} gui;
# endif
    } ae_u;
} attrentry_T;

#ifdef USE_ICONV
# ifdef HAVE_ICONV_H
#  include <iconv.h>
# else
#  if defined(MACOS_X)
#   include <sys/errno.h>
#   define EILSEQ ENOENT /* MacOS X does not have EILSEQ */
typedef struct _iconv_t *iconv_t;
#  else
#   if defined(MACOS_CLASSIC)
typedef struct _iconv_t *iconv_t;
#    define EINVAL	22
#    define E2BIG	7
#    define ENOENT	2
#    define EFAULT	14
#    define EILSEQ	123
#   else
#    include <errno.h>
#   endif
#  endif
typedef void *iconv_t;
# endif
#endif

/*
 * Used for the typeahead buffer: typebuf.
 */
typedef struct
{
    char_u	*tb_buf;	/* buffer for typed characters */
    char_u	*tb_noremap;	/* mapping flags for characters in tb_buf[] */
    int		tb_buflen;	/* size of tb_buf[] */
    int		tb_off;		/* current position in tb_buf[] */
    int		tb_len;		/* number of valid bytes in tb_buf[] */
    int		tb_maplen;	/* nr of mapped bytes in tb_buf[] */
    int		tb_silent;	/* nr of silently mapped bytes in tb_buf[] */
    int		tb_no_abbr_cnt; /* nr of bytes without abbrev. in tb_buf[] */
    int		tb_change_cnt;	/* nr of time tb_buf was changed; never zero */
} typebuf_T;

/* Struct to hold the saved typeahead for save_typeahead(). */
typedef struct
{
    typebuf_T		save_typebuf;
    int			typebuf_valid;	    /* TRUE when save_typebuf valid */
    int			old_char;
    int			old_mod_mask;
    struct buffheader	save_stuffbuff;
#ifdef USE_INPUT_BUF
    char_u		*save_inputbuf;
#endif
} tasave_T;

/*
 * Used for conversion of terminal I/O and script files.
 */
typedef struct
{
    int		vc_type;	/* zero or one of the CONV_ values */
    int		vc_factor;	/* max. expansion factor */
# ifdef WIN3264
    int		vc_cpfrom;	/* codepage to convert from (CONV_CODEPAGE) */
    int		vc_cpto;	/* codepage to convert to (CONV_CODEPAGE) */
# endif
# ifdef USE_ICONV
    iconv_t	vc_fd;		/* for CONV_ICONV */
# endif
    int		vc_fail;	/* fail for invalid char, don't use '?' */
} vimconv_T;

/*
 * Structure used for reading from the viminfo file.
 */
typedef struct
{
    char_u	*vir_line;	/* text of the current line */
    FILE	*vir_fd;	/* file descriptor */
#ifdef FEAT_MBYTE
    vimconv_T	vir_conv;	/* encoding conversion */
#endif
} vir_T;

#define CONV_NONE		0
#define CONV_TO_UTF8		1
#define CONV_9_TO_UTF8		2
#define CONV_TO_LATIN1		3
#define CONV_TO_LATIN9		4
#define CONV_ICONV		5
#ifdef WIN3264
# define CONV_CODEPAGE		10	/* codepage -> codepage */
#endif
#ifdef MACOS_X
# define CONV_MAC_LATIN1	20
# define CONV_LATIN1_MAC	21
# define CONV_MAC_UTF8		22
# define CONV_UTF8_MAC		23
#endif

/*
 * Structure used for mappings and abbreviations.
 */
typedef struct mapblock mapblock_T;
struct mapblock
{
    mapblock_T	*m_next;	/* next mapblock in list */
    char_u	*m_keys;	/* mapped from */
    int		m_keylen;	/* strlen(m_keys) */
    char_u	*m_str;		/* mapped to */
    int		m_mode;		/* valid mode */
    int		m_noremap;	/* if non-zero no re-mapping for m_str */
    char	m_silent;	/* <silent> used, don't echo commands */
#ifdef FEAT_EVAL
    char	m_expr;		/* <expr> used, m_str is an expression */
    scid_T	m_script_ID;	/* ID of script where map was defined */
#endif
};

/*
 * Used for highlighting in the status line.
 */
struct stl_hlrec
{
    char_u	*start;
    int		userhl;		/* 0: no HL, 1-9: User HL, < 0 for syn ID */
};

/* Item for a hashtable.  "hi_key" can be one of three values:
 * NULL:	   Never been used
 * HI_KEY_REMOVED: Entry was removed
 * Otherwise:	   Used item, pointer to the actual key; this usually is
 *		   inside the item, subtract an offset to locate the item.
 *		   This reduces the size of hashitem by 1/3.
 */
typedef struct hashitem_S
{
    long_u	hi_hash;	/* cached hash number of hi_key */
    char_u	*hi_key;
} hashitem_T;

/* The address of "hash_removed" is used as a magic number for hi_key to
 * indicate a removed item. */
#define HI_KEY_REMOVED &hash_removed
#define HASHITEM_EMPTY(hi) ((hi)->hi_key == NULL || (hi)->hi_key == &hash_removed)

/* Initial size for a hashtable.  Our items are relatively small and growing
 * is expensive, thus use 16 as a start.  Must be a power of 2. */
#define HT_INIT_SIZE 16

typedef struct hashtable_S
{
    long_u	ht_mask;	/* mask used for hash value (nr of items in
				 * array is "ht_mask" + 1) */
    long_u	ht_used;	/* number of items used */
    long_u	ht_filled;	/* number of items used + removed */
    int		ht_locked;	/* counter for hash_lock() */
    int		ht_error;	/* when set growing failed, can't add more
				   items before growing works */
    hashitem_T	*ht_array;	/* points to the array, allocated when it's
				   not "ht_smallarray" */
    hashitem_T	ht_smallarray[HT_INIT_SIZE];   /* initial array */
} hashtab_T;

typedef long_u hash_T;		/* Type for hi_hash */


#if SIZEOF_INT <= 3		/* use long if int is smaller than 32 bits */
typedef long	varnumber_T;
#else
typedef int	varnumber_T;
#endif
typedef double	float_T;

typedef struct listvar_S list_T;
typedef struct dictvar_S dict_T;

/*
 * Structure to hold an internal variable without a name.
 */
typedef struct
{
    char	v_type;	    /* see below: VAR_NUMBER, VAR_STRING, etc. */
    char	v_lock;	    /* see below: VAR_LOCKED, VAR_FIXED */
    union
    {
	varnumber_T	v_number;	/* number value */
#ifdef FEAT_FLOAT
	float_T		v_float;	/* floating number value */
#endif
	char_u		*v_string;	/* string value (can be NULL!) */
	list_T		*v_list;	/* list value (can be NULL!) */
	dict_T		*v_dict;	/* dict value (can be NULL!) */
    }		vval;
} typval_T;

/* Values for "v_type". */
#define VAR_UNKNOWN 0
#define VAR_NUMBER  1	/* "v_number" is used */
#define VAR_STRING  2	/* "v_string" is used */
#define VAR_FUNC    3	/* "v_string" is function name */
#define VAR_LIST    4	/* "v_list" is used */
#define VAR_DICT    5	/* "v_dict" is used */
#define VAR_FLOAT   6	/* "v_float" is used */

/* Values for "v_lock". */
#define VAR_LOCKED  1	/* locked with lock(), can use unlock() */
#define VAR_FIXED   2	/* locked forever */

/*
 * Structure to hold an item of a list: an internal variable without a name.
 */
typedef struct listitem_S listitem_T;

struct listitem_S
{
    listitem_T	*li_next;	/* next item in list */
    listitem_T	*li_prev;	/* previous item in list */
    typval_T	li_tv;		/* type and value of the variable */
};

/*
 * Struct used by those that are using an item in a list.
 */
typedef struct listwatch_S listwatch_T;

struct listwatch_S
{
    listitem_T		*lw_item;	/* item being watched */
    listwatch_T		*lw_next;	/* next watcher */
};

/*
 * Structure to hold info about a list.
 */
struct listvar_S
{
    listitem_T	*lv_first;	/* first item, NULL if none */
    listitem_T	*lv_last;	/* last item, NULL if none */
    int		lv_refcount;	/* reference count */
    int		lv_len;		/* number of items */
    listwatch_T	*lv_watch;	/* first watcher, NULL if none */
    int		lv_idx;		/* cached index of an item */
    listitem_T	*lv_idx_item;	/* when not NULL item at index "lv_idx" */
    int		lv_copyID;	/* ID used by deepcopy() */
    list_T	*lv_copylist;	/* copied list used by deepcopy() */
    char	lv_lock;	/* zero, VAR_LOCKED, VAR_FIXED */
    list_T	*lv_used_next;	/* next list in used lists list */
    list_T	*lv_used_prev;	/* previous list in used lists list */
};

/*
 * Structure to hold an item of a Dictionary.
 * Also used for a variable.
 * The key is copied into "di_key" to avoid an extra alloc/free for it.
 */
struct dictitem_S
{
    typval_T	di_tv;		/* type and value of the variable */
    char_u	di_flags;	/* flags (only used for variable) */
    char_u	di_key[1];	/* key (actually longer!) */
};

typedef struct dictitem_S dictitem_T;

#define DI_FLAGS_RO	1 /* "di_flags" value: read-only variable */
#define DI_FLAGS_RO_SBX 2 /* "di_flags" value: read-only in the sandbox */
#define DI_FLAGS_FIX	4 /* "di_flags" value: fixed variable, not allocated */
#define DI_FLAGS_LOCK	8 /* "di_flags" value: locked variable */

/*
 * Structure to hold info about a Dictionary.
 */
struct dictvar_S
{
    int		dv_refcount;	/* reference count */
    hashtab_T	dv_hashtab;	/* hashtab that refers to the items */
    int		dv_copyID;	/* ID used by deepcopy() */
    dict_T	*dv_copydict;	/* copied dict used by deepcopy() */
    char	dv_lock;	/* zero, VAR_LOCKED, VAR_FIXED */
    dict_T	*dv_used_next;	/* next dict in used dicts list */
    dict_T	*dv_used_prev;	/* previous dict in used dicts list */
};

/* values for b_syn_spell: what to do with toplevel text */
#define SYNSPL_DEFAULT	0	/* spell check if @Spell not defined */
#define SYNSPL_TOP	1	/* spell check toplevel text */
#define SYNSPL_NOTOP	2	/* don't spell check toplevel text */

/* avoid #ifdefs for when b_spell is not available */
#ifdef FEAT_SPELL
# define B_SPELL(buf)  ((buf)->b_spell)
#else
# define B_SPELL(buf)  (0)
#endif

#ifdef FEAT_QUICKFIX
typedef struct qf_info_S qf_info_T;
#endif

/*
 * buffer: structure that holds information about one file
 *
 * Several windows can share a single Buffer
 * A buffer is unallocated if there is no memfile for it.
 * A buffer is new if the associated file has never been loaded yet.
 */

typedef struct file_buffer buf_T;

struct file_buffer
{
    memline_T	b_ml;		/* associated memline (also contains line
				   count) */

    buf_T	*b_next;	/* links in list of buffers */
    buf_T	*b_prev;

    int		b_nwindows;	/* nr of windows open on this buffer */

    int		b_flags;	/* various BF_ flags */

    /*
     * b_ffname has the full path of the file (NULL for no name).
     * b_sfname is the name as the user typed it (or NULL).
     * b_fname is the same as b_sfname, unless ":cd" has been done,
     *		then it is the same as b_ffname (NULL for no name).
     */
    char_u	*b_ffname;	/* full path file name */
    char_u	*b_sfname;	/* short file name */
    char_u	*b_fname;	/* current file name */

#ifdef UNIX
    int		b_dev_valid;	/* TRUE when b_dev has a valid number */
    dev_t	b_dev;		/* device number */
    ino_t	b_ino;		/* inode number */
#endif
#ifdef FEAT_CW_EDITOR
    FSSpec	b_FSSpec;	/* MacOS File Identification */
#endif
#ifdef VMS
    char	 b_fab_rfm;	/* Record format    */
    char	 b_fab_rat;	/* Record attribute */
    unsigned int b_fab_mrs;	/* Max record size  */
#endif
#ifdef FEAT_SNIFF
    int		b_sniff;	/* file was loaded through Sniff */
#endif

    int		b_fnum;		/* buffer number for this file. */

    int		b_changed;	/* 'modified': Set to TRUE if something in the
				   file has been changed and not written out. */
    int		b_changedtick;	/* incremented for each change, also for undo */

    int		b_saving;	/* Set to TRUE if we are in the middle of
				   saving the buffer. */

    /*
     * Changes to a buffer require updating of the display.  To minimize the
     * work, remember changes made and update everything at once.
     */
    int		b_mod_set;	/* TRUE when there are changes since the last
				   time the display was updated */
    linenr_T	b_mod_top;	/* topmost lnum that was changed */
    linenr_T	b_mod_bot;	/* lnum below last changed line, AFTER the
				   change */
    long	b_mod_xlines;	/* number of extra buffer lines inserted;
				   negative when lines were deleted */

    wininfo_T	*b_wininfo;	/* list of last used info for each window */

    long	b_mtime;	/* last change time of original file */
    long	b_mtime_read;	/* last change time when reading */
    size_t	b_orig_size;	/* size of original file in bytes */
    int		b_orig_mode;	/* mode of original file */

    pos_T	b_namedm[NMARKS]; /* current named marks (mark.c) */

#ifdef FEAT_VISUAL
    /* These variables are set when VIsual_active becomes FALSE */
    visualinfo_T b_visual;
# ifdef FEAT_EVAL
    int		b_visual_mode_eval;  /* b_visual.vi_mode for visualmode() */
# endif
#endif

    pos_T	b_last_cursor;	/* cursor position when last unloading this
				   buffer */
    pos_T	b_last_insert;	/* where Insert mode was left */
    pos_T	b_last_change;	/* position of last change: '. mark */

#ifdef FEAT_JUMPLIST
    /*
     * the changelist contains old change positions
     */
    pos_T	b_changelist[JUMPLISTSIZE];
    int		b_changelistlen;	/* number of active entries */
    int		b_new_change;		/* set by u_savecommon() */
#endif

    /*
     * Character table, only used in charset.c for 'iskeyword'
     * 32 bytes of 8 bits: 1 bit per character 0-255.
     */
    char_u	b_chartab[32];

#ifdef FEAT_LOCALMAP
    /* Table used for mappings local to a buffer. */
    mapblock_T	*(b_maphash[256]);

    /* First abbreviation local to a buffer. */
    mapblock_T	*b_first_abbr;
#endif
#ifdef FEAT_USR_CMDS
    /* User commands local to the buffer. */
    garray_T	b_ucmds;
#endif
    /*
     * start and end of an operator, also used for '[ and ']
     */
    pos_T	b_op_start;
    pos_T	b_op_end;

#ifdef FEAT_VIMINFO
    int		b_marks_read;	/* Have we read viminfo marks yet? */
#endif

    /*
     * The following only used in undo.c.
     */
    u_header_T	*b_u_oldhead;	/* pointer to oldest header */
    u_header_T	*b_u_newhead;	/* pointer to newest header; may not be valid
				   if b_u_curhead is not NULL */
    u_header_T	*b_u_curhead;	/* pointer to current header */
    int		b_u_numhead;	/* current number of headers */
    int		b_u_synced;	/* entry lists are synced */
    long	b_u_seq_last;	/* last used undo sequence number */
    long	b_u_seq_cur;	/* hu_seq of header below which we are now */
    time_t	b_u_seq_time;	/* uh_time of header below which we are now */

    /*
     * variables for "U" command in undo.c
     */
    char_u	*b_u_line_ptr;	/* saved line for "U" command */
    linenr_T	b_u_line_lnum;	/* line number of line in u_line */
    colnr_T	b_u_line_colnr;	/* optional column number */

    /*
     * The following only used in undo.c
     */
    mblock_T	b_block_head;	/* head of allocated memory block list */
    minfo_T	*b_m_search;	/* pointer to chunk before previously
				   allocated/freed chunk */
    mblock_T	*b_mb_current;	/* block where m_search points in */

#ifdef FEAT_INS_EXPAND
    int		b_scanned;	/* ^N/^P have scanned this buffer */
#endif

    /* flags for use of ":lmap" and IM control */
    long	b_p_iminsert;	/* input mode for insert */
    long	b_p_imsearch;	/* input mode for search */
#define B_IMODE_USE_INSERT -1	/*	Use b_p_iminsert value for search */
#define B_IMODE_NONE 0		/*	Input via none */
#define B_IMODE_LMAP 1		/*	Input via langmap */
#ifndef USE_IM_CONTROL
# define B_IMODE_LAST 1
#else
# define B_IMODE_IM 2		/*	Input via input method */
# define B_IMODE_LAST 2
#endif

#ifdef FEAT_KEYMAP
    short	b_kmap_state;	/* using "lmap" mappings */
# define KEYMAP_INIT	1	/* 'keymap' was set, call keymap_init() */
# define KEYMAP_LOADED	2	/* 'keymap' mappings have been loaded */
    garray_T	b_kmap_ga;	/* the keymap table */
#endif

    /*
     * Options local to a buffer.
     * They are here because their value depends on the type of file
     * or contents of the file being edited.
     */
    int		b_p_initialized;	/* set when options initialized */

#ifdef FEAT_EVAL
    int		b_p_scriptID[BV_COUNT];	/* SIDs for buffer-local options */
#endif

    int		b_p_ai;		/* 'autoindent' */
    int		b_p_ai_nopaste;	/* b_p_ai saved for paste mode */
    int		b_p_ci;		/* 'copyindent' */
    int		b_p_bin;	/* 'binary' */
#ifdef FEAT_MBYTE
    int		b_p_bomb;	/* 'bomb' */
#endif
#if defined(FEAT_QUICKFIX)
    char_u	*b_p_bh;	/* 'bufhidden' */
    char_u	*b_p_bt;	/* 'buftype' */
#endif
    int		b_p_bl;		/* 'buflisted' */
#ifdef FEAT_CINDENT
    int		b_p_cin;	/* 'cindent' */
    char_u	*b_p_cino;	/* 'cinoptions' */
    char_u	*b_p_cink;	/* 'cinkeys' */
#endif
#if defined(FEAT_CINDENT) || defined(FEAT_SMARTINDENT)
    char_u	*b_p_cinw;	/* 'cinwords' */
#endif
#ifdef FEAT_COMMENTS
    char_u	*b_p_com;	/* 'comments' */
#endif
#ifdef FEAT_FOLDING
    char_u	*b_p_cms;	/* 'commentstring' */
#endif
#ifdef FEAT_INS_EXPAND
    char_u	*b_p_cpt;	/* 'complete' */
#endif
#ifdef FEAT_COMPL_FUNC
    char_u	*b_p_cfu;	/* 'completefunc' */
    char_u	*b_p_ofu;	/* 'omnifunc' */
#endif
    int		b_p_eol;	/* 'endofline' */
    int		b_p_et;		/* 'expandtab' */
    int		b_p_et_nobin;	/* b_p_et saved for binary mode */
#ifdef FEAT_MBYTE
    char_u	*b_p_fenc;	/* 'fileencoding' */
#endif
    char_u	*b_p_ff;	/* 'fileformat' */
#ifdef FEAT_AUTOCMD
    char_u	*b_p_ft;	/* 'filetype' */
#endif
    char_u	*b_p_fo;	/* 'formatoptions' */
    char_u	*b_p_flp;	/* 'formatlistpat' */
    int		b_p_inf;	/* 'infercase' */
    char_u	*b_p_isk;	/* 'iskeyword' */
#ifdef FEAT_FIND_ID
    char_u	*b_p_def;	/* 'define' local value */
    char_u	*b_p_inc;	/* 'include' */
# ifdef FEAT_EVAL
    char_u	*b_p_inex;	/* 'includeexpr' */
    long_u	b_p_inex_flags;	/* flags for 'includeexpr' */
# endif
#endif
#if defined(FEAT_CINDENT) && defined(FEAT_EVAL)
    char_u	*b_p_inde;	/* 'indentexpr' */
    long_u	b_p_inde_flags;	/* flags for 'indentexpr' */
    char_u	*b_p_indk;	/* 'indentkeys' */
#endif
#if defined(FEAT_EVAL)
    char_u	*b_p_fex;	/* 'formatexpr' */
    long_u	b_p_fex_flags;	/* flags for 'formatexpr' */
#endif
#ifdef FEAT_CRYPT
    char_u	*b_p_key;	/* 'key' */
#endif
    char_u	*b_p_kp;	/* 'keywordprg' */
#ifdef FEAT_LISP
    int		b_p_lisp;	/* 'lisp' */
#endif
    char_u	*b_p_mps;	/* 'matchpairs' */
    int		b_p_ml;		/* 'modeline' */
    int		b_p_ml_nobin;	/* b_p_ml saved for binary mode */
    int		b_p_ma;		/* 'modifiable' */
    char_u	*b_p_nf;	/* 'nrformats' */
#ifdef FEAT_OSFILETYPE
    char_u	*b_p_oft;	/* 'osfiletype' */
#endif
    int		b_p_pi;		/* 'preserveindent' */
#ifdef FEAT_TEXTOBJ
    char_u	*b_p_qe;	/* 'quoteescape' */
#endif
    int		b_p_ro;		/* 'readonly' */
    long	b_p_sw;		/* 'shiftwidth' */
#ifndef SHORT_FNAME
    int		b_p_sn;		/* 'shortname' */
#endif
#ifdef FEAT_SMARTINDENT
    int		b_p_si;		/* 'smartindent' */
#endif
    long	b_p_sts;	/* 'softtabstop' */
    long	b_p_sts_nopaste; /* b_p_sts saved for paste mode */
#ifdef FEAT_SEARCHPATH
    char_u	*b_p_sua;	/* 'suffixesadd' */
#endif
    int		b_p_swf;	/* 'swapfile' */
#ifdef FEAT_SYN_HL
    long	b_p_smc;	/* 'synmaxcol' */
    char_u	*b_p_syn;	/* 'syntax' */
#endif
#ifdef FEAT_SPELL
    char_u	*b_p_spc;	/* 'spellcapcheck' */
    regprog_T	*b_cap_prog;	/* program for 'spellcapcheck' */
    char_u	*b_p_spf;	/* 'spellfile' */
    char_u	*b_p_spl;	/* 'spelllang' */
#endif
    long	b_p_ts;		/* 'tabstop' */
    int		b_p_tx;		/* 'textmode' */
    long	b_p_tw;		/* 'textwidth' */
    long	b_p_tw_nobin;	/* b_p_tw saved for binary mode */
    long	b_p_tw_nopaste;	/* b_p_tw saved for paste mode */
    long	b_p_wm;		/* 'wrapmargin' */
    long	b_p_wm_nobin;	/* b_p_wm saved for binary mode */
    long	b_p_wm_nopaste;	/* b_p_wm saved for paste mode */
#ifdef FEAT_KEYMAP
    char_u	*b_p_keymap;	/* 'keymap' */
#endif

    /* local values for options which are normally global */
#ifdef FEAT_QUICKFIX
    char_u	*b_p_gp;	/* 'grepprg' local value */
    char_u	*b_p_mp;	/* 'makeprg' local value */
    char_u	*b_p_efm;	/* 'errorformat' local value */
#endif
    char_u	*b_p_ep;	/* 'equalprg' local value */
    char_u	*b_p_path;	/* 'path' local value */
    int		b_p_ar;		/* 'autoread' local value */
    char_u	*b_p_tags;	/* 'tags' local value */
#ifdef FEAT_INS_EXPAND
    char_u	*b_p_dict;	/* 'dictionary' local value */
    char_u	*b_p_tsr;	/* 'thesaurus' local value */
#endif

    /* end of buffer options */

    int		b_start_eol;	/* last line had eol when it was read */
    int		b_start_ffc;	/* first char of 'ff' when edit started */
#ifdef FEAT_MBYTE
    char_u	*b_start_fenc;	/* 'fileencoding' when edit started or NULL */
    int		b_bad_char;	/* "++bad=" argument when edit started or 0 */
    int		b_start_bomb;	/* 'bomb' when it was read */
#endif

#ifdef FEAT_EVAL
    dictitem_T	b_bufvar;	/* variable for "b:" Dictionary */
    dict_T	b_vars;		/* internal variables, local to buffer */
#endif

#if defined(FEAT_BEVAL) && defined(FEAT_EVAL)
    char_u	*b_p_bexpr;	/* 'balloonexpr' local value */
    long_u	b_p_bexpr_flags;/* flags for 'balloonexpr' */
#endif

    /* When a buffer is created, it starts without a swap file.  b_may_swap is
     * then set to indicate that a swap file may be opened later.  It is reset
     * if a swap file could not be opened.
     */
    int		b_may_swap;
    int		b_did_warn;	/* Set to 1 if user has been warned on first
				   change of a read-only file */

    /* Two special kinds of buffers:
     * help buffer  - used for help files, won't use a swap file.
     * spell buffer - used for spell info, never displayed and doesn't have a
     *		      file name.
     */
    int		b_help;		/* TRUE for help file buffer (when set b_p_bt
				   is "help") */
#ifdef FEAT_SPELL
    int		b_spell;	/* TRUE for a spell file buffer, most fields
				   are not used!  Use the B_SPELL macro to
				   access b_spell without #ifdef. */
#endif

#ifndef SHORT_FNAME
    int		b_shortname;	/* this file has an 8.3 file name */
#endif

#ifdef FEAT_MZSCHEME
    void	*b_mzscheme_ref; /* The MzScheme reference to this buffer */
#endif

#ifdef FEAT_PERL
    void	*b_perl_private;
#endif

#ifdef FEAT_PYTHON
    void	*b_python_ref;	/* The Python reference to this buffer */
#endif

#ifdef FEAT_TCL
    void	*b_tcl_ref;
#endif

#ifdef FEAT_RUBY
    void	*b_ruby_ref;
#endif

#ifdef FEAT_SYN_HL
    hashtab_T	b_keywtab;		/* syntax keywords hash table */
    hashtab_T	b_keywtab_ic;		/* idem, ignore case */
    int		b_syn_error;		/* TRUE when error occured in HL */
    int		b_syn_ic;		/* ignore case for :syn cmds */
    int		b_syn_spell;		/* SYNSPL_ values */
    garray_T	b_syn_patterns;		/* table for syntax patterns */
    garray_T	b_syn_clusters;		/* table for syntax clusters */
    int		b_spell_cluster_id;	/* @Spell cluster ID or 0 */
    int		b_nospell_cluster_id;	/* @NoSpell cluster ID or 0 */
    int		b_syn_containedin;	/* TRUE when there is an item with a
					   "containedin" argument */
    int		b_syn_sync_flags;	/* flags about how to sync */
    short	b_syn_sync_id;		/* group to sync on */
    long	b_syn_sync_minlines;	/* minimal sync lines offset */
    long	b_syn_sync_maxlines;	/* maximal sync lines offset */
    long	b_syn_sync_linebreaks;	/* offset for multi-line pattern */
    char_u	*b_syn_linecont_pat;	/* line continuation pattern */
    regprog_T	*b_syn_linecont_prog;	/* line continuation program */
    int		b_syn_linecont_ic;	/* ignore-case flag for above */
    int		b_syn_topgrp;		/* for ":syntax include" */
# ifdef FEAT_FOLDING
    int		b_syn_folditems;	/* number of patterns with the HL_FOLD
					   flag set */
# endif
/*
 * b_sst_array[] contains the state stack for a number of lines, for the start
 * of that line (col == 0).  This avoids having to recompute the syntax state
 * too often.
 * b_sst_array[] is allocated to hold the state for all displayed lines, and
 * states for 1 out of about 20 other lines.
 * b_sst_array		pointer to an array of synstate_T
 * b_sst_len		number of entries in b_sst_array[]
 * b_sst_first		pointer to first used entry in b_sst_array[] or NULL
 * b_sst_firstfree	pointer to first free entry in b_sst_array[] or NULL
 * b_sst_freecount	number of free entries in b_sst_array[]
 * b_sst_check_lnum	entries after this lnum need to be checked for
 *			validity (MAXLNUM means no check needed)
 */
    synstate_T	*b_sst_array;
    int		b_sst_len;
    synstate_T	*b_sst_first;
    synstate_T	*b_sst_firstfree;
    int		b_sst_freecount;
    linenr_T	b_sst_check_lnum;
    short_u	b_sst_lasttick;	/* last display tick */
#endif /* FEAT_SYN_HL */

#ifdef FEAT_SPELL
    /* for spell checking */
    garray_T	b_langp;	/* list of pointers to slang_T, see spell.c */
    char_u	b_spell_ismw[256];/* flags: is midword char */
# ifdef FEAT_MBYTE
    char_u	*b_spell_ismw_mb; /* multi-byte midword chars */
# endif
#endif

#ifdef FEAT_SIGNS
    signlist_T	*b_signlist;	/* list of signs to draw */
#endif

#ifdef FEAT_NETBEANS_INTG
    int		b_netbeans_file;    /* TRUE when buffer is owned by NetBeans */
    int		b_was_netbeans_file;/* TRUE if b_netbeans_file was once set */
#endif

};


#ifdef FEAT_DIFF
/*
 * Stuff for diff mode.
 */
# define DB_COUNT 4	/* up to four buffers can be diff'ed */

/*
 * Each diffblock defines where a block of lines starts in each of the buffers
 * and how many lines it occupies in that buffer.  When the lines are missing
 * in the buffer the df_count[] is zero.  This is all counted in
 * buffer lines.
 * There is always at least one unchanged line in between the diffs.
 * Otherwise it would have been included in the diff above or below it.
 * df_lnum[] + df_count[] is the lnum below the change.  When in one buffer
 * lines have been inserted, in the other buffer df_lnum[] is the line below
 * the insertion and df_count[] is zero.  When appending lines at the end of
 * the buffer, df_lnum[] is one beyond the end!
 * This is using a linked list, because the number of differences is expected
 * to be reasonable small.  The list is sorted on lnum.
 */
typedef struct diffblock_S diff_T;
struct diffblock_S
{
    diff_T	*df_next;
    linenr_T	df_lnum[DB_COUNT];	/* line number in buffer */
    linenr_T	df_count[DB_COUNT];	/* nr of inserted/changed lines */
};
#endif

#define SNAP_HELP_IDX	0
#ifdef FEAT_AUTOCMD
# define SNAP_AUCMD_IDX 1
# define SNAP_COUNT	2
#else
# define SNAP_COUNT	1
#endif

/*
 * Tab pages point to the top frame of each tab page.
 * Note: Most values are NOT valid for the current tab page!  Use "curwin",
 * "firstwin", etc. for that.  "tp_topframe" is always valid and can be
 * compared against "topframe" to find the current tab page.
 */
typedef struct tabpage_S tabpage_T;
struct tabpage_S
{
    tabpage_T	    *tp_next;	    /* next tabpage or NULL */
    frame_T	    *tp_topframe;   /* topframe for the windows */
    win_T	    *tp_curwin;	    /* current window in this Tab page */
    win_T	    *tp_prevwin;    /* previous window in this Tab page */
    win_T	    *tp_firstwin;   /* first window in this Tab page */
    win_T	    *tp_lastwin;    /* last window in this Tab page */
    long	    tp_old_Rows;    /* Rows when Tab page was left */
    long	    tp_old_Columns; /* Columns when Tab page was left */
    long	    tp_ch_used;	    /* value of 'cmdheight' when frame size
				       was set */
#ifdef FEAT_GUI
    int		    tp_prev_which_scrollbars[3];
				    /* previous value of which_scrollbars */
#endif
#ifdef FEAT_DIFF
    diff_T	    *tp_first_diff;
    buf_T	    *(tp_diffbuf[DB_COUNT]);
    int		    tp_diff_invalid;	/* list of diffs is outdated */
#endif
    frame_T	    *(tp_snapshot[SNAP_COUNT]);  /* window layout snapshots */
#ifdef FEAT_EVAL
    dictitem_T	    tp_winvar;	    /* variable for "t:" Dictionary */
    dict_T	    tp_vars;	    /* internal variables, local to tab page */
#endif
};

/*
 * Structure to cache info for displayed lines in w_lines[].
 * Each logical line has one entry.
 * The entry tells how the logical line is currently displayed in the window.
 * This is updated when displaying the window.
 * When the display is changed (e.g., when clearing the screen) w_lines_valid
 * is changed to exclude invalid entries.
 * When making changes to the buffer, wl_valid is reset to indicate wl_size
 * may not reflect what is actually in the buffer.  When wl_valid is FALSE,
 * the entries can only be used to count the number of displayed lines used.
 * wl_lnum and wl_lastlnum are invalid too.
 */
typedef struct w_line
{
    linenr_T	wl_lnum;	/* buffer line number for logical line */
    short_u	wl_size;	/* height in screen lines */
    char	wl_valid;	/* TRUE values are valid for text in buffer */
#ifdef FEAT_FOLDING
    char	wl_folded;	/* TRUE when this is a range of folded lines */
    linenr_T	wl_lastlnum;	/* last buffer line number for logical line */
#endif
} wline_T;

/*
 * Windows are kept in a tree of frames.  Each frame has a column (FR_COL)
 * or row (FR_ROW) layout or is a leaf, which has a window.
 */
struct frame_S
{
    char	fr_layout;	/* FR_LEAF, FR_COL or FR_ROW */
#ifdef FEAT_VERTSPLIT
    int		fr_width;
    int		fr_newwidth;	/* new width used in win_equal_rec() */
#endif
    int		fr_height;
    int		fr_newheight;	/* new height used in win_equal_rec() */
    frame_T	*fr_parent;	/* containing frame or NULL */
    frame_T	*fr_next;	/* frame right or below in same parent, NULL
				   for first */
    frame_T	*fr_prev;	/* frame left or above in same parent, NULL
				   for last */
    /* fr_child and fr_win are mutually exclusive */
    frame_T	*fr_child;	/* first contained frame */
    win_T	*fr_win;	/* window that fills this frame */
};

#define FR_LEAF	0	/* frame is a leaf */
#define FR_ROW	1	/* frame with a row of windows */
#define FR_COL	2	/* frame with a column of windows */

/*
 * Struct used for highlighting 'hlsearch' matches, matches defined by
 * ":match" and matches defined by match functions.
 * For 'hlsearch' there is one pattern for all windows.  For ":match" and the
 * match functions there is a different pattern for each window.
 */
typedef struct
{
    regmmatch_T	rm;	/* points to the regexp program; contains last found
			   match (may continue in next line) */
    buf_T	*buf;	/* the buffer to search for a match */
    linenr_T	lnum;	/* the line to search for a match */
    int		attr;	/* attributes to be used for a match */
    int		attr_cur; /* attributes currently active in win_line() */
    linenr_T	first_lnum;	/* first lnum to search for multi-line pat */
    colnr_T	startcol; /* in win_line() points to char where HL starts */
    colnr_T	endcol;	 /* in win_line() points to char where HL ends */
#ifdef FEAT_RELTIME
    proftime_T	tm;	/* for a time limit */
#endif
} match_T;

/*
 * matchitem_T provides a linked list for storing match items for ":match" and
 * the match functions.
 */
typedef struct matchitem matchitem_T;
struct matchitem
{
    matchitem_T	*next;
    int		id;	    /* match ID */
    int		priority;   /* match priority */
    char_u	*pattern;   /* pattern to highlight */
    int		hlg_id;	    /* highlight group ID */
    regmmatch_T	match;	    /* regexp program for pattern */
    match_T	hl;	    /* struct for doing the actual highlighting */
};

/*
 * Structure which contains all information that belongs to a window
 *
 * All row numbers are relative to the start of the window, except w_winrow.
 */
struct window_S
{
    buf_T	*w_buffer;	    /* buffer we are a window into (used
				       often, keep it the first item!) */

#ifdef FEAT_WINDOWS
    win_T	*w_prev;	    /* link to previous window */
    win_T	*w_next;	    /* link to next window */
#endif

    frame_T	*w_frame;	    /* frame containing this window */

    pos_T	w_cursor;	    /* cursor position in buffer */

    colnr_T	w_curswant;	    /* The column we'd like to be at.  This is
				       used to try to stay in the same column
				       for up/down cursor motions. */

    int		w_set_curswant;	    /* If set, then update w_curswant the next
				       time through cursupdate() to the
				       current virtual column */

#ifdef FEAT_VISUAL
    /*
     * the next six are used to update the visual part
     */
    char	w_old_visual_mode;  /* last known VIsual_mode */
    linenr_T	w_old_cursor_lnum;  /* last known end of visual part */
    colnr_T	w_old_cursor_fcol;  /* first column for block visual part */
    colnr_T	w_old_cursor_lcol;  /* last column for block visual part */
    linenr_T	w_old_visual_lnum;  /* last known start of visual part */
    colnr_T	w_old_visual_col;   /* last known start of visual part */
    colnr_T	w_old_curswant;	    /* last known value of Curswant */
#endif

    /*
     * "w_topline", "w_leftcol" and "w_skipcol" specify the offsets for
     * displaying the buffer.
     */
    linenr_T	w_topline;	    /* buffer line number of the line at the
				       top of the window */
#ifdef FEAT_AUTOCMD
    char	w_topline_was_set;  /* flag set to TRUE when topline is set,
				       e.g. by winrestview() */
#endif
#ifdef FEAT_DIFF
    int		w_topfill;	    /* number of filler lines above w_topline */
    int		w_old_topfill;	    /* w_topfill at last redraw */
    int		w_botfill;	    /* TRUE when filler lines are actually
				       below w_topline (at end of file) */
    int		w_old_botfill;	    /* w_botfill at last redraw */
#endif
    colnr_T	w_leftcol;	    /* window column number of the left most
				       character in the window; used when
				       'wrap' is off */
    colnr_T	w_skipcol;	    /* starting column when a single line
				       doesn't fit in the window */

    /*
     * Layout of the window in the screen.
     * May need to add "msg_scrolled" to "w_winrow" in rare situations.
     */
#ifdef FEAT_WINDOWS
    int		w_winrow;	    /* first row of window in screen */
#endif
    int		w_height;	    /* number of rows in window, excluding
				       status/command line(s) */
#ifdef FEAT_WINDOWS
    int		w_status_height;    /* number of status lines (0 or 1) */
#endif
#ifdef FEAT_VERTSPLIT
    int		w_wincol;	    /* Leftmost column of window in screen.
				       use W_WINCOL() */
    int		w_width;	    /* Width of window, excluding separation.
				       use W_WIDTH() */
    int		w_vsep_width;	    /* Number of separator columns (0 or 1).
				       use W_VSEP_WIDTH() */
#endif

    /*
     * === start of cached values ====
     */
    /*
     * Recomputing is minimized by storing the result of computations.
     * Use functions in screen.c to check if they are valid and to update.
     * w_valid is a bitfield of flags, which indicate if specific values are
     * valid or need to be recomputed.	See screen.c for values.
     */
    int		w_valid;
    pos_T	w_valid_cursor;	    /* last known position of w_cursor, used
				       to adjust w_valid */
    colnr_T	w_valid_leftcol;    /* last known w_leftcol */

    /*
     * w_cline_height is the number of physical lines taken by the buffer line
     * that the cursor is on.  We use this to avoid extra calls to plines().
     */
    int		w_cline_height;	    /* current size of cursor line */
#ifdef FEAT_FOLDING
    int		w_cline_folded;	    /* cursor line is folded */
#endif

    int		w_cline_row;	    /* starting row of the cursor line */

    colnr_T	w_virtcol;	    /* column number of the cursor in the
				       buffer line, as opposed to the column
				       number we're at on the screen.  This
				       makes a difference on lines which span
				       more than one screen line or when
				       w_leftcol is non-zero */

    /*
     * w_wrow and w_wcol specify the cursor position in the window.
     * This is related to positions in the window, not in the display or
     * buffer, thus w_wrow is relative to w_winrow.
     */
    int		w_wrow, w_wcol;	    /* cursor position in window */

    linenr_T	w_botline;	    /* number of the line below the bottom of
				       the screen */
    int		w_empty_rows;	    /* number of ~ rows in window */
#ifdef FEAT_DIFF
    int		w_filler_rows;	    /* number of filler rows at the end of the
				       window */
#endif

    /*
     * Info about the lines currently in the window is remembered to avoid
     * recomputing it every time.  The allocated size of w_lines[] is Rows.
     * Only the w_lines_valid entries are actually valid.
     * When the display is up-to-date w_lines[0].wl_lnum is equal to w_topline
     * and w_lines[w_lines_valid - 1].wl_lnum is equal to w_botline.
     * Between changing text and updating the display w_lines[] represents
     * what is currently displayed.  wl_valid is reset to indicated this.
     * This is used for efficient redrawing.
     */
    int		w_lines_valid;	    /* number of valid entries */
    wline_T	*w_lines;

#ifdef FEAT_FOLDING
    garray_T	w_folds;	    /* array of nested folds */
    char	w_fold_manual;	    /* when TRUE: some folds are opened/closed
				       manually */
    char	w_foldinvalid;	    /* when TRUE: folding needs to be
				       recomputed */
#endif
#ifdef FEAT_LINEBREAK
    int		w_nrwidth;	    /* width of 'number' column being used */
#endif

    /*
     * === end of cached values ===
     */

    int		w_redr_type;	    /* type of redraw to be performed on win */
    int		w_upd_rows;	    /* number of window lines to update when
				       w_redr_type is REDRAW_TOP */
    linenr_T	w_redraw_top;	    /* when != 0: first line needing redraw */
    linenr_T	w_redraw_bot;	    /* when != 0: last line needing redraw */
#ifdef FEAT_WINDOWS
    int		w_redr_status;	    /* if TRUE status line must be redrawn */
#endif

#ifdef FEAT_CMDL_INFO
    /* remember what is shown in the ruler for this window (if 'ruler' set) */
    pos_T	w_ru_cursor;	    /* cursor position shown in ruler */
    colnr_T	w_ru_virtcol;	    /* virtcol shown in ruler */
    linenr_T	w_ru_topline;	    /* topline shown in ruler */
    linenr_T	w_ru_line_count;    /* line count used for ruler */
# ifdef FEAT_DIFF
    int		w_ru_topfill;	    /* topfill shown in ruler */
# endif
    char	w_ru_empty;	    /* TRUE if ruler shows 0-1 (empty line) */
#endif

    int		w_alt_fnum;	    /* alternate file (for # and CTRL-^) */

#ifdef FEAT_WINDOWS
    alist_T	*w_alist;	    /* pointer to arglist for this window */
#endif
    int		w_arg_idx;	    /* current index in argument list (can be
				       out of range!) */
    int		w_arg_idx_invalid;  /* editing another file than w_arg_idx */

    char_u	*w_localdir;	    /* absolute path of local directory or
				       NULL */
    /*
     * Options local to a window.
     * They are local because they influence the layout of the window or
     * depend on the window layout.
     * There are two values: w_onebuf_opt is local to the buffer currently in
     * this window, w_allbuf_opt is for all buffers in this window.
     */
    winopt_T	w_onebuf_opt;
    winopt_T	w_allbuf_opt;

    /* A few options have local flags for P_INSECURE. */
#ifdef FEAT_STL_OPT
    long_u	w_p_stl_flags;	    /* flags for 'statusline' */
#endif
#ifdef FEAT_EVAL
    long_u	w_p_fde_flags;	    /* flags for 'foldexpr' */
    long_u	w_p_fdt_flags;	    /* flags for 'foldtext' */
#endif

    /* transform a pointer to a "onebuf" option into a "allbuf" option */
#define GLOBAL_WO(p)	((char *)p + sizeof(winopt_T))

#ifdef FEAT_SCROLLBIND
    long	w_scbind_pos;
#endif

#ifdef FEAT_EVAL
    dictitem_T	w_winvar;	/* variable for "w:" Dictionary */
    dict_T	w_vars;		/* internal variables, local to window */
#endif

#if defined(FEAT_RIGHTLEFT) && defined(FEAT_FKMAP)
    int		w_farsi;	/* for the window dependent Farsi functions */
#endif

    /*
     * The w_prev_pcmark field is used to check whether we really did jump to
     * a new line after setting the w_pcmark.  If not, then we revert to
     * using the previous w_pcmark.
     */
    pos_T	w_pcmark;	/* previous context mark */
    pos_T	w_prev_pcmark;	/* previous w_pcmark */

#ifdef FEAT_JUMPLIST
    /*
     * the jumplist contains old cursor positions
     */
    xfmark_T	w_jumplist[JUMPLISTSIZE];
    int		w_jumplistlen;		/* number of active entries */
    int		w_jumplistidx;		/* current position */

    int		w_changelistidx;	/* current position in b_changelist */
#endif

#ifdef FEAT_SEARCH_EXTRA
    matchitem_T	*w_match_head;		/* head of match list */
    int		w_next_match_id;	/* next match ID */
#endif

    /*
     * the tagstack grows from 0 upwards:
     * entry 0: older
     * entry 1: newer
     * entry 2: newest
     */
    taggy_T	w_tagstack[TAGSTACKSIZE];	/* the tag stack */
    int		w_tagstackidx;		/* idx just below active entry */
    int		w_tagstacklen;		/* number of tags on stack */

    /*
     * w_fraction is the fractional row of the cursor within the window, from
     * 0 at the top row to FRACTION_MULT at the last row.
     * w_prev_fraction_row was the actual cursor row when w_fraction was last
     * calculated.
     */
    int		w_fraction;
    int		w_prev_fraction_row;

#ifdef FEAT_GUI
    scrollbar_T	w_scrollbars[2];	/* vert. Scrollbars for this window */
#endif
#ifdef FEAT_LINEBREAK
    linenr_T	w_nrwidth_line_count;	/* line count when ml_nrwidth_width
					 * was computed. */
    int		w_nrwidth_width;	/* nr of chars to print line count. */
#endif

#ifdef FEAT_QUICKFIX
    qf_info_T	*w_llist;		/* Location list for this window */
    /*
     * Location list reference used in the location list window.
     * In a non-location list window, w_llist_ref is NULL.
     */
    qf_info_T	*w_llist_ref;
#endif


#ifdef FEAT_MZSCHEME
    void	*w_mzscheme_ref;	/* The MzScheme value for this window */
#endif

#ifdef FEAT_PERL
    void	*w_perl_private;
#endif

#ifdef FEAT_PYTHON
    void	*w_python_ref;		/* The Python value for this window */
#endif

#ifdef FEAT_TCL
    void	*w_tcl_ref;
#endif

#ifdef FEAT_RUBY
    void	*w_ruby_ref;
#endif
};

/*
 * Arguments for operators.
 */
typedef struct oparg_S
{
    int		op_type;	/* current pending operator type */
    int		regname;	/* register to use for the operator */
    int		motion_type;	/* type of the current cursor motion */
    int		motion_force;	/* force motion type: 'v', 'V' or CTRL-V */
    int		use_reg_one;	/* TRUE if delete uses reg 1 even when not
				   linewise */
    int		inclusive;	/* TRUE if char motion is inclusive (only
				   valid when motion_type is MCHAR */
    int		end_adjusted;	/* backuped b_op_end one char (only used by
				   do_format()) */
    pos_T	start;		/* start of the operator */
    pos_T	end;		/* end of the operator */
    pos_T	cursor_start;	/* cursor position before motion for "gw" */

    long	line_count;	/* number of lines from op_start to op_end
				   (inclusive) */
    int		empty;		/* op_start and op_end the same (only used by
				   do_change()) */
#ifdef FEAT_VISUAL
    int		is_VIsual;	/* operator on Visual area */
    int		block_mode;	/* current operator is Visual block mode */
#endif
    colnr_T	start_vcol;	/* start col for block mode operator */
    colnr_T	end_vcol;	/* end col for block mode operator */
#ifdef FEAT_AUTOCMD
    long	prev_opcount;	/* ca.opcount saved for K_CURSORHOLD */
    long	prev_count0;	/* ca.count0 saved for K_CURSORHOLD */
#endif
} oparg_T;

/*
 * Arguments for Normal mode commands.
 */
typedef struct cmdarg_S
{
    oparg_T	*oap;		/* Operator arguments */
    int		prechar;	/* prefix character (optional, always 'g') */
    int		cmdchar;	/* command character */
    int		nchar;		/* next command character (optional) */
#ifdef FEAT_MBYTE
    int		ncharC1;	/* first composing character (optional) */
    int		ncharC2;	/* second composing character (optional) */
#endif
    int		extra_char;	/* yet another character (optional) */
    long	opcount;	/* count before an operator */
    long	count0;		/* count before command, default 0 */
    long	count1;		/* count before command, default 1 */
    int		arg;		/* extra argument from nv_cmds[] */
    int		retval;		/* return: CA_* values */
    char_u	*searchbuf;	/* return: pointer to search pattern or NULL */
} cmdarg_T;

/* values for retval: */
#define CA_COMMAND_BUSY	    1	/* skip restarting edit() once */
#define CA_NO_ADJ_OP_END    2	/* don't adjust operator end */

#ifdef CURSOR_SHAPE
/*
 * struct to store values from 'guicursor' and 'mouseshape'
 */
/* Indexes in shape_table[] */
#define SHAPE_IDX_N	0	/* Normal mode */
#define SHAPE_IDX_V	1	/* Visual mode */
#define SHAPE_IDX_I	2	/* Insert mode */
#define SHAPE_IDX_R	3	/* Replace mode */
#define SHAPE_IDX_C	4	/* Command line Normal mode */
#define SHAPE_IDX_CI	5	/* Command line Insert mode */
#define SHAPE_IDX_CR	6	/* Command line Replace mode */
#define SHAPE_IDX_O	7	/* Operator-pending mode */
#define SHAPE_IDX_VE	8	/* Visual mode with 'selection' exclusive */
#define SHAPE_IDX_CLINE	9	/* On command line */
#define SHAPE_IDX_STATUS 10	/* A status line */
#define SHAPE_IDX_SDRAG 11	/* dragging a status line */
#define SHAPE_IDX_VSEP	12	/* A vertical separator line */
#define SHAPE_IDX_VDRAG 13	/* dragging a vertical separator line */
#define SHAPE_IDX_MORE	14	/* Hit-return or More */
#define SHAPE_IDX_MOREL	15	/* Hit-return or More in last line */
#define SHAPE_IDX_SM	16	/* showing matching paren */
#define SHAPE_IDX_COUNT	17

#define SHAPE_BLOCK	0	/* block cursor */
#define SHAPE_HOR	1	/* horizontal bar cursor */
#define SHAPE_VER	2	/* vertical bar cursor */

#define MSHAPE_NUMBERED	1000	/* offset for shapes identified by number */
#define MSHAPE_HIDE	1	/* hide mouse pointer */

#define SHAPE_MOUSE	1	/* used for mouse pointer shape */
#define SHAPE_CURSOR	2	/* used for text cursor shape */

typedef struct cursor_entry
{
    int		shape;		/* one of the SHAPE_ defines */
    int		mshape;		/* one of the MSHAPE defines */
    int		percentage;	/* percentage of cell for bar */
    long	blinkwait;	/* blinking, wait time before blinking starts */
    long	blinkon;	/* blinking, on time */
    long	blinkoff;	/* blinking, off time */
    int		id;		/* highlight group ID */
    int		id_lm;		/* highlight group ID for :lmap mode */
    char	*name;		/* mode name (fixed) */
    char	used_for;	/* SHAPE_MOUSE and/or SHAPE_CURSOR */
} cursorentry_T;
#endif /* CURSOR_SHAPE */

#ifdef FEAT_MENU

/* Indices into vimmenu_T->strings[] and vimmenu_T->noremap[] for each mode */
#define MENU_INDEX_INVALID	-1
#define MENU_INDEX_NORMAL	0
#define MENU_INDEX_VISUAL	1
#define MENU_INDEX_SELECT	2
#define MENU_INDEX_OP_PENDING	3
#define MENU_INDEX_INSERT	4
#define MENU_INDEX_CMDLINE	5
#define MENU_INDEX_TIP		6
#define MENU_MODES		7

/* Menu modes */
#define MENU_NORMAL_MODE	(1 << MENU_INDEX_NORMAL)
#define MENU_VISUAL_MODE	(1 << MENU_INDEX_VISUAL)
#define MENU_SELECT_MODE	(1 << MENU_INDEX_SELECT)
#define MENU_OP_PENDING_MODE	(1 << MENU_INDEX_OP_PENDING)
#define MENU_INSERT_MODE	(1 << MENU_INDEX_INSERT)
#define MENU_CMDLINE_MODE	(1 << MENU_INDEX_CMDLINE)
#define MENU_TIP_MODE		(1 << MENU_INDEX_TIP)
#define MENU_ALL_MODES		((1 << MENU_INDEX_TIP) - 1)
/*note MENU_INDEX_TIP is not a 'real' mode*/

/* Start a menu name with this to not include it on the main menu bar */
#define MNU_HIDDEN_CHAR		']'

typedef struct VimMenu vimmenu_T;

struct VimMenu
{
    int		modes;		    /* Which modes is this menu visible for? */
    int		enabled;	    /* for which modes the menu is enabled */
    char_u	*name;		    /* Name of menu, possibly translated */
    char_u	*dname;		    /* Displayed Name ("name" without '&') */
#ifdef FEAT_MULTI_LANG
    char_u	*en_name;	    /* "name" untranslated, NULL when "name"
				     * was not translated */
    char_u	*en_dname;	    /* "dname" untranslated, NULL when "dname"
				     * was not translated */
#endif
    int		mnemonic;	    /* mnemonic key (after '&') */
    char_u	*actext;	    /* accelerator text (after TAB) */
    int		priority;	    /* Menu order priority */
#ifdef FEAT_GUI
    void	(*cb) __ARGS((vimmenu_T *));	    /* Call-back routine */
#endif
#ifdef FEAT_TOOLBAR
    char_u	*iconfile;	    /* name of file for icon or NULL */
    int		iconidx;	    /* icon index (-1 if not set) */
    int		icon_builtin;	    /* icon names is BuiltIn{nr} */
#endif
    char_u	*strings[MENU_MODES]; /* Mapped string for each mode */
    int		noremap[MENU_MODES]; /* A REMAP_ flag for each mode */
    char	silent[MENU_MODES]; /* A silent flag for each mode */
    vimmenu_T	*children;	    /* Children of sub-menu */
    vimmenu_T	*parent;	    /* Parent of menu */
    vimmenu_T	*next;		    /* Next item in menu */
#ifdef FEAT_GUI_X11
    Widget	id;		    /* Manage this to enable item */
    Widget	submenu_id;	    /* If this is submenu, add children here */
#endif
#ifdef FEAT_GUI_GTK
    GtkWidget	*id;		    /* Manage this to enable item */
    GtkWidget	*submenu_id;	    /* If this is submenu, add children here */
    GtkWidget	*tearoff_handle;
    GtkWidget   *label;		    /* Used by "set wak=" code. */
#endif
#ifdef FEAT_GUI_MOTIF
    int		sensitive;	    /* turn button on/off */
    char	**xpm;		    /* pixmap data */
    char	*xpm_fname;	    /* file with pixmap data */
#endif
#ifdef FEAT_GUI_ATHENA
    Pixmap	image;		    /* Toolbar image */
#endif
#ifdef FEAT_BEVAL_TIP
    BalloonEval *tip;		    /* tooltip for this menu item */
#endif
#ifdef FEAT_GUI_W16
    UINT	id;		    /* Id of menu item */
    HMENU	submenu_id;	    /* If this is submenu, add children here */
#endif
#ifdef FEAT_GUI_W32
    UINT	id;		    /* Id of menu item */
    HMENU	submenu_id;	    /* If this is submenu, add children here */
    HWND	tearoff_handle;	    /* hWnd of tearoff if created */
#endif
#ifdef FEAT_GUI_MAC
/*  MenuHandle	id; */
/*  short	index;	*/	    /* the item index within the father menu */
    short	menu_id;	    /* the menu id to which this item belong */
    short	submenu_id;	    /* the menu id of the children (could be
				       get through some tricks) */
    MenuHandle	menu_handle;
    MenuHandle	submenu_handle;
#endif
#ifdef RISCOS
    int		*id;		    /* Not used, but gui.c needs it */
    int		greyed_out;	    /* Flag */
    int		hidden;
#endif
#ifdef FEAT_GUI_PHOTON
    PtWidget_t	*id;
    PtWidget_t	*submenu_id;
#endif
};
#else
/* For generating prototypes when FEAT_MENU isn't defined. */
typedef int vimmenu_T;

#endif /* FEAT_MENU */

/*
 * Struct to save values in before executing autocommands for a buffer that is
 * not the current buffer.  Without FEAT_AUTOCMD only "curbuf" is remembered.
 */
typedef struct
{
    buf_T	*save_curbuf;	/* saved curbuf */
#ifdef FEAT_AUTOCMD
    int		use_aucmd_win;	/* using aucmd_win */
    win_T	*save_curwin;	/* saved curwin */
    win_T	*new_curwin;	/* new curwin */
    buf_T	*new_curbuf;	/* new curbuf */
    char_u	*globaldir;	/* saved value of globaldir */
#endif
} aco_save_T;

/*
 * Generic option table item, only used for printer at the moment.
 */
typedef struct
{
    const char	*name;
    int		hasnum;
    long	number;
    char_u	*string;	/* points into option string */
    int		strlen;
    int		present;
} option_table_T;

/*
 * Structure to hold printing color and font attributes.
 */
typedef struct
{
    long_u	fg_color;
    long_u	bg_color;
    int		bold;
    int		italic;
    int		underline;
    int		undercurl;
} prt_text_attr_T;

/*
 * Structure passed back to the generic printer code.
 */
typedef struct
{
    int		n_collated_copies;
    int		n_uncollated_copies;
    int		duplex;
    int		chars_per_line;
    int		lines_per_page;
    int		has_color;
    prt_text_attr_T number;
#ifdef FEAT_SYN_HL
    int		modec;
    int		do_syntax;
#endif
    int		user_abort;
    char_u	*jobname;
#ifdef FEAT_POSTSCRIPT
    char_u	*outfile;
    char_u	*arguments;
#endif
} prt_settings_T;

#define PRINT_NUMBER_WIDTH 8

/*
 * Used for popup menu items.
 */
typedef struct
{
    char_u	*pum_text;	/* main menu text */
    char_u	*pum_kind;	/* extra kind text (may be truncated) */
    char_u	*pum_extra;	/* extra menu text (may be truncated) */
    char_u	*pum_info;	/* extra info */
} pumitem_T;

/*
 * Structure used for get_tagfname().
 */
typedef struct
{
    char_u	*tn_tags;	/* value of 'tags' when starting */
    char_u	*tn_np;		/* current position in tn_tags */
    int		tn_did_filefind_init;
    int		tn_hf_idx;
    void	*tn_search_ctx;
} tagname_T;

/*
 * Array indexes used for cptext argument of ins_compl_add().
 */
#define CPT_ABBR    0	/* "abbr" */
#define CPT_MENU    1	/* "menu" */
#define CPT_KIND    2	/* "kind" */
#define CPT_INFO    3	/* "info" */
#define CPT_COUNT   4	/* Number of entries */