summaryrefslogtreecommitdiff
path: root/os2/OS2/Process/Process.xs
blob: 05befa02cc59e51afbac20a99ffcc30c95dc6bdb (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
#include <process.h>
#define INCL_DOS
#define INCL_DOSERRORS
#define INCL_DOSNLS
#define INCL_WINSWITCHLIST
#define INCL_WINWINDOWMGR
#define INCL_WININPUT
#define INCL_VIO
#define INCL_KBD
#define INCL_WINCLIPBOARD
#define INCL_WINATOM
#include <os2.h>

#include "EXTERN.h"
#include "perl.h"
#include "XSUB.h"

static unsigned long
constant(char *name, int arg)
{
    errno = 0;
    if (name[0] == 'P' && name[1] == '_') {
	if (strEQ(name, "P_BACKGROUND"))
#ifdef P_BACKGROUND
	    return P_BACKGROUND;
#else
	    goto not_there;
#endif
	if (strEQ(name, "P_DEBUG"))
#ifdef P_DEBUG
	    return P_DEBUG;
#else
	    goto not_there;
#endif
	if (strEQ(name, "P_DEFAULT"))
#ifdef P_DEFAULT
	    return P_DEFAULT;
#else
	    goto not_there;
#endif
	if (strEQ(name, "P_DETACH"))
#ifdef P_DETACH
	    return P_DETACH;
#else
	    goto not_there;
#endif
	if (strEQ(name, "P_FOREGROUND"))
#ifdef P_FOREGROUND
	    return P_FOREGROUND;
#else
	    goto not_there;
#endif
	if (strEQ(name, "P_FULLSCREEN"))
#ifdef P_FULLSCREEN
	    return P_FULLSCREEN;
#else
	    goto not_there;
#endif
	if (strEQ(name, "P_MAXIMIZE"))
#ifdef P_MAXIMIZE
	    return P_MAXIMIZE;
#else
	    goto not_there;
#endif
	if (strEQ(name, "P_MINIMIZE"))
#ifdef P_MINIMIZE
	    return P_MINIMIZE;
#else
	    goto not_there;
#endif
	if (strEQ(name, "P_NOCLOSE"))
#ifdef P_NOCLOSE
	    return P_NOCLOSE;
#else
	    goto not_there;
#endif
	if (strEQ(name, "P_NOSESSION"))
#ifdef P_NOSESSION
	    return P_NOSESSION;
#else
	    goto not_there;
#endif
	if (strEQ(name, "P_NOWAIT"))
#ifdef P_NOWAIT
	    return P_NOWAIT;
#else
	    goto not_there;
#endif
	if (strEQ(name, "P_OVERLAY"))
#ifdef P_OVERLAY
	    return P_OVERLAY;
#else
	    goto not_there;
#endif
	if (strEQ(name, "P_PM"))
#ifdef P_PM
	    return P_PM;
#else
	    goto not_there;
#endif
	if (strEQ(name, "P_QUOTE"))
#ifdef P_QUOTE
	    return P_QUOTE;
#else
	    goto not_there;
#endif
	if (strEQ(name, "P_SESSION"))
#ifdef P_SESSION
	    return P_SESSION;
#else
	    goto not_there;
#endif
	if (strEQ(name, "P_TILDE"))
#ifdef P_TILDE
	    return P_TILDE;
#else
	    goto not_there;
#endif
	if (strEQ(name, "P_UNRELATED"))
#ifdef P_UNRELATED
	    return P_UNRELATED;
#else
	    goto not_there;
#endif
	if (strEQ(name, "P_WAIT"))
#ifdef P_WAIT
	    return P_WAIT;
#else
	    goto not_there;
#endif
	if (strEQ(name, "P_WINDOWED"))
#ifdef P_WINDOWED
	    return P_WINDOWED;
#else
	    goto not_there;
#endif
    } else if (name[0] == 'T' && name[1] == '_') {
	if (strEQ(name, "FAPPTYP_NOTSPEC"))
#ifdef FAPPTYP_NOTSPEC
	    return FAPPTYP_NOTSPEC;
#else
	    goto not_there;
#endif
	if (strEQ(name, "T_NOTWINDOWCOMPAT"))
#ifdef FAPPTYP_NOTWINDOWCOMPAT
	    return FAPPTYP_NOTWINDOWCOMPAT;
#else
	    goto not_there;
#endif
	if (strEQ(name, "T_WINDOWCOMPAT"))
#ifdef FAPPTYP_WINDOWCOMPAT
	    return FAPPTYP_WINDOWCOMPAT;
#else
	    goto not_there;
#endif
	if (strEQ(name, "T_WINDOWAPI"))
#ifdef FAPPTYP_WINDOWAPI
	    return FAPPTYP_WINDOWAPI;
#else
	    goto not_there;
#endif
	if (strEQ(name, "T_BOUND"))
#ifdef FAPPTYP_BOUND
	    return FAPPTYP_BOUND;
#else
	    goto not_there;
#endif
	if (strEQ(name, "T_DLL"))
#ifdef FAPPTYP_DLL
	    return FAPPTYP_DLL;
#else
	    goto not_there;
#endif
	if (strEQ(name, "T_DOS"))
#ifdef FAPPTYP_DOS
	    return FAPPTYP_DOS;
#else
	    goto not_there;
#endif
	if (strEQ(name, "T_PHYSDRV"))
#ifdef FAPPTYP_PHYSDRV
	    return FAPPTYP_PHYSDRV;
#else
	    goto not_there;
#endif
	if (strEQ(name, "T_VIRTDRV"))
#ifdef FAPPTYP_VIRTDRV
	    return FAPPTYP_VIRTDRV;
#else
	    goto not_there;
#endif
	if (strEQ(name, "T_PROTDLL"))
#ifdef FAPPTYP_PROTDLL
	    return FAPPTYP_PROTDLL;
#else
	    goto not_there;
#endif
	if (strEQ(name, "T_32BIT"))
#ifdef FAPPTYP_32BIT
	    return FAPPTYP_32BIT;
#else
	    goto not_there;
#endif
    }

    errno = EINVAL;
    return 0;

not_there:
    errno = ENOENT;
    return 0;
}

const char* const ptypes[] = { "FS", "DOS", "VIO", "PM", "DETACH" };

static char *
my_type()
{
    int rc;
    TIB *tib;
    PIB *pib;
    
    if (!(_emx_env & 0x200)) return (char*)ptypes[1]; /* not OS/2. */
    if (CheckOSError(DosGetInfoBlocks(&tib, &pib))) 
	return NULL; 
    
    return (pib->pib_ultype <= 4 ? (char*)ptypes[pib->pib_ultype] : "UNKNOWN");
}

static ULONG
file_type(char *path)
{
    int rc;
    ULONG apptype;
    
    if (!(_emx_env & 0x200)) 
	croak("file_type not implemented on DOS"); /* not OS/2. */
    if (CheckOSError(DosQueryAppType(path, &apptype))) {
#if 0
	if (rc == ERROR_INVALID_EXE_SIGNATURE) 
	    croak("Invalid EXE signature"); 
	else if (rc == ERROR_EXE_MARKED_INVALID) {
	    croak("EXE marked invalid"); 
	}
#endif
	croak_with_os2error("DosQueryAppType"); 
    }
    
    return apptype;
}

/* These use different type of wrapper.  Good to check wrappers. ;-)  */
/* XXXX This assumes DOS type return type, without SEVERITY?! */
DeclFuncByORD(HSWITCH, myWinQuerySwitchHandle,  ORD_WinQuerySwitchHandle,
		  (HWND hwnd, PID pid), (hwnd, pid))
DeclFuncByORD(ULONG, myWinQuerySwitchEntry,  ORD_WinQuerySwitchEntry,
		  (HSWITCH hsw, PSWCNTRL pswctl), (hsw, pswctl))
DeclFuncByORD(ULONG, myWinSetWindowText,  ORD_WinSetWindowText,
		  (HWND hwnd, char* text), (hwnd, text))
DeclFuncByORD(BOOL, myWinQueryWindowProcess,  ORD_WinQueryWindowProcess,
		  (HWND hwnd, PPID ppid, PTID ptid), (hwnd, ppid, ptid))
DeclFuncByORD(ULONG, XmyWinSwitchToProgram,  ORD_WinSwitchToProgram,
		  (HSWITCH hsw), (hsw))
#define myWinSwitchToProgram(hsw) (!CheckOSError(XmyWinSwitchToProgram(hsw)))


/* These function croak if the return value is 0. */
DeclWinFunc_CACHE(HWND, QueryWindow, (HWND hwnd, LONG cmd), (hwnd, cmd))
DeclWinFunc_CACHE(BOOL, QueryWindowPos, (HWND hwnd, PSWP pswp),
		  (hwnd, pswp))
DeclWinFunc_CACHE(LONG, QueryWindowText,
		  (HWND hwnd, LONG cchBufferMax, PCH pchBuffer),
		  (hwnd, cchBufferMax, pchBuffer))
DeclWinFunc_CACHE(LONG, QueryClassName, (HWND hwnd, LONG cchMax, PCH pch),
		  (hwnd, cchMax, pch))
DeclWinFunc_CACHE(HWND, QueryFocus, (HWND hwndDesktop), (hwndDesktop))
DeclWinFunc_CACHE(BOOL, SetFocus, (HWND hwndDesktop, HWND hwndFocus),
		  (hwndDesktop, hwndFocus))
DeclWinFunc_CACHE(BOOL, ShowWindow, (HWND hwnd, BOOL fShow), (hwnd, fShow))
DeclWinFunc_CACHE(BOOL, EnableWindow, (HWND hwnd, BOOL fEnable),
		      (hwnd, fEnable))
DeclWinFunc_CACHE(BOOL, SetWindowPos,
		  (HWND hwnd, HWND hwndInsertBehind, LONG x, LONG y,
		   LONG cx, LONG cy, ULONG fl),
		  (hwnd, hwndInsertBehind, x, y, cx, cy, fl))
DeclWinFunc_CACHE(HENUM, BeginEnumWindows, (HWND hwnd), (hwnd))
DeclWinFunc_CACHE(BOOL, EndEnumWindows, (HENUM henum), (henum))
DeclWinFunc_CACHE(BOOL, EnableWindowUpdate, (HWND hwnd, BOOL fEnable),
		  (hwnd, fEnable))
DeclWinFunc_CACHE(BOOL, SetWindowBits,
		  (HWND hwnd, LONG index, ULONG flData, ULONG flMask),
		  (hwnd, index, flData, flMask))
DeclWinFunc_CACHE(BOOL, SetWindowPtr, (HWND hwnd, LONG index, PVOID p),
		  (hwnd, index, p))
DeclWinFunc_CACHE(BOOL, SetWindowULong, (HWND hwnd, LONG index, ULONG ul),
		  (hwnd, index, ul))
DeclWinFunc_CACHE(BOOL, SetWindowUShort, (HWND hwnd, LONG index, USHORT us),
		  (hwnd, index, us))
DeclWinFunc_CACHE(HWND, IsChild, (HWND hwnd, HWND hwndParent),
		  (hwnd, hwndParent))
DeclWinFunc_CACHE(HWND, WindowFromId, (HWND hwnd, ULONG id), (hwnd, id))
DeclWinFunc_CACHE(HWND, EnumDlgItem, (HWND hwndDlg, HWND hwnd, ULONG code),
		  (hwndDlg, hwnd, code))
DeclWinFunc_CACHE(HWND, QueryDesktopWindow, (HAB hab, HDC hdc), (hab, hdc));
DeclWinFunc_CACHE(BOOL, SetActiveWindow, (HWND hwndDesktop, HWND hwnd),
		  (hwndDesktop, hwnd));
DeclWinFunc_CACHE(BOOL, QueryActiveDesktopPathname, (PSZ pszPathName, ULONG ulSize),
		  (pszPathName, ulSize));
DeclWinFunc_CACHE(BOOL, InvalidateRect,
		  (HWND hwnd, /*RECTL*/ char *prcl, BOOL fIncludeChildren),
		  (hwnd, prcl, fIncludeChildren));
DeclWinFunc_CACHE(BOOL, CreateFrameControls,
		  (HWND hwndFrame, /*PFRAMECDATA*/ char* pfcdata, PCSZ pszTitle),
		  (hwndFrame, pfcdata, pszTitle));
DeclWinFunc_CACHE(BOOL, OpenClipbrd, (HAB hab), (hab));
DeclWinFunc_CACHE(BOOL, EmptyClipbrd, (HAB hab), (hab));
DeclWinFunc_CACHE(BOOL, CloseClipbrd, (HAB hab), (hab));
DeclWinFunc_CACHE(BOOL, QueryClipbrdFmtInfo, (HAB hab, ULONG fmt, PULONG prgfFmtInfo), (hab, fmt, prgfFmtInfo));
DeclWinFunc_CACHE(ULONG, QueryClipbrdData, (HAB hab, ULONG fmt), (hab, fmt));
DeclWinFunc_CACHE(HWND, SetClipbrdViewer, (HAB hab, HWND hwnd), (hab, hwnd));
DeclWinFunc_CACHE(HWND, SetClipbrdOwner, (HAB hab, HWND hwnd), (hab, hwnd));
DeclWinFunc_CACHE(ULONG, EnumClipbrdFmts, (HAB hab, ULONG fmt), (hab, fmt));
DeclWinFunc_CACHE(ATOM, AddAtom, (HATOMTBL hAtomTbl, PCSZ pszAtomName),
		  (hAtomTbl, pszAtomName));
DeclWinFunc_CACHE(ULONG, QueryAtomUsage, (HATOMTBL hAtomTbl, ATOM atom),
		  (hAtomTbl, atom));
DeclWinFunc_CACHE(ULONG, QueryAtomLength, (HATOMTBL hAtomTbl, ATOM atom),
		  (hAtomTbl, atom));
DeclWinFunc_CACHE(ULONG, QueryAtomName,
		  (HATOMTBL hAtomTbl, ATOM atom, PSZ pchBuffer, ULONG cchBufferMax),
		  (hAtomTbl, atom, pchBuffer, cchBufferMax));
DeclWinFunc_CACHE(HATOMTBL, QuerySystemAtomTable, (VOID), ());
DeclWinFunc_CACHE(HATOMTBL, CreateAtomTable, (ULONG initial, ULONG buckets),
		  (initial, buckets));
DeclWinFunc_CACHE(ULONG, MessageBox, (HWND hwndParent, HWND hwndOwner, PCSZ pszText, PCSZ pszCaption, ULONG idWindow, ULONG flStyle), (hwndParent, hwndOwner, pszText, pszCaption, idWindow, flStyle));
DeclWinFunc_CACHE(ULONG, MessageBox2,
		  (HWND hwndParent, HWND hwndOwner, PCSZ pszText,
		   PCSZ pszCaption, ULONG idWindow, PMB2INFO pmb2info),
		  (hwndParent, hwndOwner, pszText, pszCaption, idWindow, pmb2info));
DeclWinFunc_CACHE(HPOINTER, LoadPointer,
		  (HWND hwndDesktop, HMODULE hmod, ULONG idres),
		  (hwndDesktop, hmod, idres));
DeclWinFunc_CACHE(HPOINTER, QuerySysPointer,
		  (HWND hwndDesktop, LONG lId, BOOL fCopy),
		  (hwndDesktop, lId, fCopy));
DeclWinFunc_CACHE(BOOL, Alarm, (HWND hwndDesktop, ULONG rgfType), (hwndDesktop, rgfType));
DeclWinFunc_CACHE(BOOL, FlashWindow, (HWND hwndFrame, BOOL fFlash), (hwndFrame, fFlash));

#if 0		/* Need to have the entry points described in the parent */
DeclWinFunc_CACHE(BOOL, QueryClassInfo, (HAB hab, char* pszClassName, PCLASSINFO pClassInfo), (hab, pszClassName, pClassInfo));

#define _QueryClassInfo(hab, pszClassName, pClassInfo)	\
	QueryClassInfo(hab, pszClassName, (PCLASSINFO)pClassInfo)

#endif

/* These functions do not croak on error */
DeclWinFunc_CACHE_survive(BOOL, SetClipbrdData,
			  (HAB hab, ULONG ulData, ULONG fmt, ULONG rgfFmtInfo),
			  (hab, ulData, fmt, rgfFmtInfo));

#define get_InvalidateRect	InvalidateRect
#define get_CreateFrameControls	CreateFrameControls

/* These functions may return 0 on success; check $^E/Perl_rc on res==0: */
DeclWinFunc_CACHE_resetError(PVOID, QueryWindowPtr, (HWND hwnd, LONG index),
			     (hwnd, index))
DeclWinFunc_CACHE_resetError(ULONG, QueryWindowULong, (HWND hwnd, LONG index),
			     (hwnd, index))
DeclWinFunc_CACHE_resetError(SHORT, QueryWindowUShort, (HWND hwnd, LONG index),
			     (hwnd, index))
DeclWinFunc_CACHE_resetError(LONG,  QueryWindowTextLength, (HWND hwnd), (hwnd))
DeclWinFunc_CACHE_resetError(HWND,  QueryActiveWindow, (HWND hwnd), (hwnd))
DeclWinFunc_CACHE_resetError(BOOL, PostMsg,
			     (HWND hwnd, ULONG msg, MPARAM mp1, MPARAM mp2),
			     (hwnd, msg, mp1, mp2))
DeclWinFunc_CACHE_resetError(HWND, GetNextWindow, (HENUM henum), (henum))
DeclWinFunc_CACHE_resetError(BOOL, IsWindowEnabled, (HWND hwnd), (hwnd))
DeclWinFunc_CACHE_resetError(BOOL, IsWindowVisible, (HWND hwnd), (hwnd))
DeclWinFunc_CACHE_resetError(BOOL, IsWindowShowing, (HWND hwnd), (hwnd))
DeclWinFunc_CACHE_resetError(ATOM, FindAtom, (HATOMTBL hAtomTbl, PCSZ pszAtomName),
			     (hAtomTbl, pszAtomName));
DeclWinFunc_CACHE_resetError(ATOM, DeleteAtom, (HATOMTBL hAtomTbl, ATOM atom),
			     (hAtomTbl, atom));
DeclWinFunc_CACHE_resetError(HATOMTBL, DestroyAtomTable, (HATOMTBL hAtomTbl), (hAtomTbl));
DeclWinFunc_CACHE_resetError(HWND, QueryClipbrdViewer, (HAB hab), (hab));
DeclWinFunc_CACHE_resetError(HWND, QueryClipbrdOwner, (HAB hab), (hab));

#define _DeleteAtom		DeleteAtom
#define _DestroyAtomTable	DestroyAtomTable

/* No die()ing on error */
DeclWinFunc_CACHE_survive(BOOL, IsWindow, (HAB hab, HWND hwnd), (hab, hwnd))

/* These functions are called frow complicated wrappers: */
ULONG (*pWinQuerySwitchList) (HAB hab, PSWBLOCK pswblk, ULONG usDataLength);
ULONG (*pWinChangeSwitchEntry) (HSWITCH hsw, __const__ SWCNTRL *pswctl);
HWND (*pWinWindowFromPoint)(HWND hwnd, __const__ POINTL *pptl, BOOL fChildren);


/* These functions have different names/signatures than what is
   declared above */
#define QueryFocusWindow QueryFocus
#define FocusWindow_set(hwndFocus, hwndDesktop) SetFocus(hwndDesktop, hwndFocus)
#define WindowPos_set(hwnd, x, y, fl, cx, cy, hwndInsertBehind)	\
	SetWindowPos(hwnd, hwndInsertBehind, x, y, cx, cy, fl)
#define myWinQueryWindowPtr(hwnd, i)	((ULONG)QueryWindowPtr(hwnd, i))
#define _ClipbrdData_set SetClipbrdData
#define ClipbrdOwner_set SetClipbrdOwner
#define ClipbrdViewer_set SetClipbrdViewer

int
WindowText_set(HWND hwnd, char* text)
{
   return !CheckWinError(myWinSetWindowText(hwnd, text));
}

SV *
myQueryWindowText(HWND hwnd)
{
    LONG l = QueryWindowTextLength(hwnd), len;
    SV *sv;
    STRLEN n_a;

    if (l == 0) {
	if (Perl_rc)		/* Last error */
	    return &PL_sv_undef;
	return &PL_sv_no;
    }
    sv = newSVpvn("", 0);
    SvGROW(sv, l + 1);
    len = QueryWindowText(hwnd, l + 1, SvPV_force(sv, n_a));
    if (len != l) {
	Safefree(sv);
	croak("WinQueryWindowText() uncompatible with WinQueryWindowTextLength()");
    }
    SvCUR_set(sv, l);
    return sv;
}

SWP
QueryWindowSWP_(HWND hwnd)
{
    SWP swp;

    if (!QueryWindowPos(hwnd, &swp))
	croak("WinQueryWindowPos() error");
    return swp;
}

SV *
QueryWindowSWP(HWND hwnd)
{
    SWP swp = QueryWindowSWP_(hwnd);

    return newSVpvn((char*)&swp, sizeof(swp));
}

SV *
myQueryClassName(HWND hwnd)
{
    SV *sv = newSVpvn("",0);
    STRLEN l = 46, len = 0, n_a;

    while (l + 1 >= len) {
	if (len)
	    len = 2*len + 10;		/* Grow quick */
	else
	    len = l + 2;
	SvGROW(sv, len);
	l = QueryClassName(hwnd, len, SvPV_force(sv, n_a));
    }
    SvCUR_set(sv, l);
    return sv;
}

HWND
WindowFromPoint(long x, long y, HWND hwnd, BOOL fChildren)
{
    POINTL ppl;

    ppl.x = x; ppl.y = y;
    if (!pWinWindowFromPoint)
	AssignFuncPByORD(pWinWindowFromPoint, ORD_WinWindowFromPoint);
    return SaveWinError(pWinWindowFromPoint(hwnd, &ppl, fChildren));
}

static HSWITCH
switch_of(HWND hwnd, PID pid)
{
	 HSWITCH hSwitch;    

	 if (!(_emx_env & 0x200)) 
	     croak("switch_entry not implemented on DOS"); /* not OS/2. */
	 if (CheckWinError(hSwitch = 
			   myWinQuerySwitchHandle(hwnd, pid)))
	     croak_with_os2error("WinQuerySwitchHandle");
	 return hSwitch;
}


static void
fill_swentry(SWENTRY *swentryp, HWND hwnd, PID pid)
{
	 int rc;
	 HSWITCH hSwitch = switch_of(hwnd, pid);

	 swentryp->hswitch = hSwitch;
	 if (CheckOSError(myWinQuerySwitchEntry(hSwitch, &swentryp->swctl)))
	     croak_with_os2error("WinQuerySwitchEntry");
}

static void
fill_swentry_default(SWENTRY *swentryp)
{
	fill_swentry(swentryp, NULLHANDLE, getpid());
}

static SV*
myWinQueryActiveDesktopPathname()
{
    SV *buf = newSVpv("",0);
    STRLEN n_a;

    SvGROW(buf, MAXPATHLEN);
    QueryActiveDesktopPathname(SvPV(buf,n_a), MAXPATHLEN);
    SvCUR_set(buf, strlen(SvPV(buf, n_a)));
    return buf;
}

SV *
myWinQueryAtomName(ATOM atom, HATOMTBL hAtomTbl)
{
  ULONG len = QueryAtomLength(hAtomTbl, atom);

  if (len) {			/* Probably always so... */
    SV *sv = newSVpvn("",0);
    STRLEN n_a;

    SvGROW(sv, len + 1);
    len = QueryAtomName(hAtomTbl, atom, SvPV(sv, n_a), len + 1);
    if (len) {			/* Probably always so... */
      SvCUR_set(sv, len);
      *SvEND(sv) = 0;
      return sv;
    }
    SvREFCNT_dec(sv);
  }
  return &PL_sv_undef;
}

#define myWinQueryClipbrdFmtInfo	QueryClipbrdFmtInfo

/* Put data into shared memory, then call SetClipbrdData */
void
ClipbrdData_set(SV *sv, int convert_nl, unsigned long fmt, unsigned long rgfFmtInfo, HAB hab)
{
    STRLEN len;
    char *buf;
    char *pByte = 0, *s, c;
    ULONG nls = 0, rc, handle;

    if (rgfFmtInfo & CFI_POINTER) {
      s = buf = SvPV_force(sv, len);
      if (convert_nl) {
	while ((c = *s++)) {
	    if (c == '\r' && *s == '\n')
		s++;
	    else if (c == '\n')
		nls++;
	}
      }

      if (CheckOSError(DosAllocSharedMem((PPVOID)&pByte, 0, len + nls + 1,
				       PAG_WRITE | PAG_COMMIT | OBJ_GIVEABLE | OBJ_GETTABLE)))
	croak_with_os2error("ClipbrdData_set: DosAllocSharedMem error");

      if (!nls)
	memcpy(pByte, buf, len + 1);
      else {
	char *t = pByte, *e = buf + len;

	while (buf < e) {
	    c = *t++ = *buf++;
	    if (c == '\n' && (t == pByte + 1 || t[-2] != '\r'))
		t[-1] = '\r', *t++ = '\n';
	}
      }
      handle = (ULONG)pByte;
    } else {
      handle = (ULONG)SvUV(sv);
    }

    if (!SetClipbrdData(hab, handle, fmt, rgfFmtInfo)) {
	if (fmt & CFI_POINTER)
	    DosFreeMem((PPVOID)&pByte);
	croak_with_os2error("ClipbrdData_set: WinSetClipbrdData error");
    }
}

ULONG
QueryMemoryRegionSize(ULONG addr, ULONG *flagp, ULONG len, I32 interrupt)
{
    ULONG l, f;				/* Modifiable copy */
    ULONG rc;

    do {
	l = len;
	rc = DosQueryMem((void *)addr, &l, &f);
    } while ( interrupt ? 0 : rc == ERROR_INTERRUPT );

    /* We assume this is not about addr */
/*
    if (rc == ERROR_INVALID_ADDRESS)
	return 0xFFFFFFFF;
*/
    os2cp_croak(rc,"QueryMemoryRegionSize");
    if (flagp)
	*flagp = f;
    return l;
}

static ULONG
default_fmtInfo(ULONG fmt)
{
   switch (fmt) {
     case CF_PALETTE:	/* Actually, fmtInfo not documented for palette... */
     case CF_BITMAP:
     case CF_METAFILE:
     case CF_DSPBITMAP:
     case CF_DSPMETAFILE:
	return CFI_HANDLE;
     default:
	return CFI_POINTER;
   }
}

#if 0

ULONG
myWinMessageBox(HWND hwndParent, HWND hwndOwner, PCSZ pszText, PCSZ pszCaption, ULONG idWindow, ULONG flStyle)
{
    ULONG rc = MessageBox(hwndParent, hwndOwner, pszText, pszCaption,
			  idWindow, flStyle);

    if (rc == MBID_ERROR)
	rc = 0;
    if (CheckWinError(rc))
	croak_with_os2error("MessageBox");
    return rc;
}

ULONG
myWinMessageBox2(HWND hwndParent, HWND hwndOwner, PCSZ pszText,
		   PCSZ pszCaption, ULONG idWindow, PMB2INFO pmb2info)
{
    ULONG rc = MessageBox2(hwndParent, hwndOwner, pszText, pszCaption, idWindow, pmb2info);

    if (rc == MBID_ERROR)
	rc = 0;
    if (CheckWinError(rc))
	croak_with_os2error("MessageBox2");
    return rc;
}
#endif

/* static ULONG (* APIENTRY16 pDosSmSetTitle)(ULONG, PSZ); */
ULONG _THUNK_FUNCTION(DosSmSetTitle)(ULONG, PSZ);

#if 0			/*  Does not work.  */
static ULONG (*pDosSmSetTitle)(ULONG, PSZ);

static void
sesmgr_title_set(char *s)
{
    SWENTRY swentry;
    static HMODULE hdosc = 0;
    BYTE buf[20];
    long rc;

    fill_swentry_default(&swentry);
    if (!pDosSmSetTitle || !hdosc) {
	if (CheckOSError(DosLoadModule(buf, sizeof buf, "sesmgr", &hdosc)))
	    croak("Cannot load SESMGR: no `%s'", buf);
	if (CheckOSError(DosQueryProcAddr(hdosc, 0, "DOSSMSETTITLE",
					  (PFN*)&pDosSmSetTitle)))
	    croak("Cannot load SESMGR.DOSSMSETTITLE, err=%ld", rc);
    }
/*     (pDosSmSetTitle)(swcntrl.idSession,s); */
    rc = ((USHORT)
          (_THUNK_PROLOG (2+4);
           _THUNK_SHORT (swcntrl.idSession);
           _THUNK_FLAT (s);
           _THUNK_CALLI (*pDosSmSetTitle)));
    if (CheckOSError(rc))
	warn("*DOSSMSETTITLE: err=%ld, ses=%ld, addr=%x, *paddr=%x", 
	     rc, swcntrl.idSession, &_THUNK_FUNCTION(DosSmSetTitle),
	     pDosSmSetTitle);
}

#else /* !0 */

static bool
sesmgr_title_set(char *s)
{
    SWENTRY swentry;
    long rc;

    fill_swentry_default(&swentry);
    rc = ((USHORT)
          (_THUNK_PROLOG (2+4);
           _THUNK_SHORT (swentry.swctl.idSession);
           _THUNK_FLAT (s);
           _THUNK_CALL (DosSmSetTitle)));
#if 0
    if (CheckOSError(rc))
	warn("DOSSMSETTITLE: err=%ld, ses=%ld, addr=%x", 
	     rc, swcntrl.idSession, _THUNK_FUNCTION(DosSmSetTitle));
#endif
    return !CheckOSError(rc);
}
#endif /* !0 */

#if 0			/*  Does not work.  */
USHORT _THUNK_FUNCTION(Win16SetTitle) ();

static void
set_title2(char *s)
{
    long rc;

    rc = ((USHORT)
          (_THUNK_PROLOG (4);
           _THUNK_FLAT (s);
           _THUNK_CALL (Win16SetTitle)));
    if (CheckWinError(rc))
	warn("Win16SetTitle: err=%ld", rc);
}
#endif

SV *
process_swentry(unsigned long pid, HWND hwnd)
{
    SWENTRY swentry;

    if (!(_emx_env & 0x200)) 
	     croak("process_swentry not implemented on DOS"); /* not OS/2. */
    fill_swentry(&swentry, hwnd, pid);
    return newSVpvn((char*)&swentry, sizeof(swentry));
}

SV *
swentries_list()
{
    int num, n = 0;
    STRLEN n_a;
    PSWBLOCK pswblk;
    SV *sv = newSVpvn("",0);

    if (!(_emx_env & 0x200)) 
	     croak("swentries_list not implemented on DOS"); /* not OS/2. */
    if (!pWinQuerySwitchList)
	AssignFuncPByORD(pWinQuerySwitchList, ORD_WinQuerySwitchList);
    num = pWinQuerySwitchList(0, NULL, 0);	/* HAB is not required */
    if (!num)
	croak("(Unknown) error during WinQuerySwitchList()");
    /* Allow one extra entry to allow overflow detection (may happen
	if the list has been changed). */
    while (num > n) {
	if (n == 0)
	    n = num + 1;
	else
	    n = 2*num + 10;			/* Enlarge quickly */
	SvGROW(sv, sizeof(ULONG) + sizeof(SWENTRY) * n + 1);
	pswblk = (PSWBLOCK) SvPV_force(sv, n_a);
	num = pWinQuerySwitchList(0, pswblk, SvLEN(sv));
    }
    SvCUR_set(sv, sizeof(ULONG) + sizeof(SWENTRY) * num);
    *SvEND(sv) = 0;
    return sv;
}

SWENTRY
swentry( char *title, HWND sw_hwnd, HWND icon_hwnd, HPROGRAM owner_phandle,
	 PID owner_pid, ULONG owner_sid, ULONG visible, ULONG nonswitchable,
	 ULONG jumpable, ULONG ptype, HSWITCH sw_entry)
{
  SWENTRY e;

  strncpy(e.swctl.szSwtitle, title, MAXNAMEL);
  e.swctl.szSwtitle[60] = 0;
  e.swctl.hwnd = sw_hwnd;
  e.swctl.hwndIcon = icon_hwnd;
  e.swctl.hprog = owner_phandle;
  e.swctl.idProcess = owner_pid;
  e.swctl.idSession = owner_sid;
  e.swctl.uchVisibility = ((visible ? SWL_VISIBLE : SWL_INVISIBLE)
			   | (nonswitchable ? SWL_GRAYED : 0));
  e.swctl.fbJump = (jumpable ? SWL_JUMPABLE : 0);
  e.swctl.bProgType = ptype;
  e.hswitch = sw_entry;
  return e;
}

SV *
create_swentry( char *title, HWND owner_hwnd, HWND icon_hwnd, HPROGRAM owner_phandle,
	 PID owner_pid, ULONG owner_sid, ULONG visible, ULONG nonswitchable,
	 ULONG jumpable, ULONG ptype, HSWITCH sw_entry)
{
    SWENTRY e = swentry(title, owner_hwnd, icon_hwnd, owner_phandle, owner_pid,
			owner_sid, visible, nonswitchable, jumpable, ptype,
			sw_entry);

    return newSVpvn((char*)&e, sizeof(e));
}

int
change_swentrysw(SWENTRY *sw)
{
    ULONG rc;			/* For CheckOSError */

    if (!(_emx_env & 0x200)) 
	     croak("change_entry() not implemented on DOS"); /* not OS/2. */
    if (!pWinChangeSwitchEntry)
	AssignFuncPByORD(pWinChangeSwitchEntry, ORD_WinChangeSwitchEntry);
    return !CheckOSError(pWinChangeSwitchEntry(sw->hswitch, &sw->swctl));
}

int
change_swentry(SV *sv)
{
    STRLEN l;
    PSWENTRY pswentry = (PSWENTRY)SvPV(sv, l);

    if (l != sizeof(SWENTRY))
	croak("Wrong structure size %ld!=%ld in change_swentry()", (long)l, (long)sizeof(SWENTRY));
    return change_swentrysw(pswentry);
}


#define swentry_size()		(sizeof(SWENTRY))

void
getscrsize(int *wp, int *hp)
{
    int i[2];

    _scrsize(i);
    *wp = i[0];
    *hp = i[1];
}

/* Force vio to not cross 64K-boundary: */
#define VIO_FROM_VIOB			\
    vio = viob;				\
    if (!_THUNK_PTR_STRUCT_OK(vio))	\
	vio++

bool
scrsize_set(int w, int h)
{
    VIOMODEINFO viob[2], *vio;
    ULONG rc;

    VIO_FROM_VIOB;

    if (h == -9999)
	h = w, w = 0;
    vio->cb = sizeof(*vio);
    if (CheckOSError(VioGetMode( vio, 0 )))
	return 0;

    if( w > 0 )
      vio->col = (USHORT)w;

    if( h > 0 )
      vio->row = (USHORT)h;

    vio->cb = 8;
    if (CheckOSError(VioSetMode( vio, 0 )))
	return 0;
    return 1;
}

void
cursor(int *sp, int *ep, int *wp, int *ap)
{
    VIOCURSORINFO viob[2], *vio;
    ULONG rc;

    VIO_FROM_VIOB;

    if (CheckOSError(VioGetCurType( vio, 0 )))
	croak_with_os2error("VioGetCurType() error");

    *sp = vio->yStart;
    *ep = vio->cEnd;
    *wp = vio->cx;
    *ep = vio->attr;
}

bool
cursor__(int is_a)
{
    int s,e,w,a;

    cursor(&s, &e, &w, &a);
    if (is_a)
	return a;
    else
	return w;
}

bool
cursor_set(int s, int e, int w, int a)
{
    VIOCURSORINFO viob[2], *vio;
    ULONG rc;

    VIO_FROM_VIOB;

    vio->yStart = s;
    vio->cEnd = e;
    vio->cx = w;
    vio->attr = a;
    return !CheckOSError(VioSetCurType( vio, 0 ));
}

static int
bufsize(void)
{
#if 1
    VIOMODEINFO viob[2], *vio;
    ULONG rc;

    VIO_FROM_VIOB;

    vio->cb = sizeof(*vio);
    if (CheckOSError(VioGetMode( vio, 0 )))
	croak_with_os2error("Can't get size of buffer for screen");
#if 0	/* buf=323552247, full=1118455, partial=0 */
    croak("Lengths: buf=%d, full=%d, partial=%d",vio->buf_length,vio->full_length,vio->partial_length);
    return newSVpvn((char*)vio->buf_addr, vio->full_length);
#endif
    return vio->col * vio->row * 2;	/* How to get bytes/cell?  2 or 4? */
#else	/* 0 */
    int i[2];

    _scrsize(i);
    return i[0]*i[1]*2;
#endif	/* 0 */
}

SV*
_kbdChar(unsigned int nowait, int handle)
{
    KBDKEYINFO viob[2], *vio;
    ULONG rc;

    VIO_FROM_VIOB;

    if (nowait > 2)
	croak("unexpected nowait");
    if (CheckOSError(nowait == 2
		     ? KbdPeek( vio, handle )
		     : KbdCharIn( vio, nowait == 1, handle )))
	croak_with_os2error("Can't _kbdChar");
    return newSVpvn((char*)vio, sizeof(*vio));
}

SV*
_kbdStatus(int handle)
{
    KBDINFO viob[2], *vio;
    ULONG rc;

    VIO_FROM_VIOB;

    vio->cb = sizeof(*vio);
    if (CheckOSError(KbdGetStatus( vio, handle )))
	croak_with_os2error("Can't _kbdStatus");
    return newSVpvn((char*)vio, sizeof(*vio));
}

void
_kbdStatus_set(SV* sv, int handle)
{
    KBDINFO viob[2], *vio;
    ULONG rc;
    STRLEN l;
    char *s = SvPV(sv, l);

    VIO_FROM_VIOB;

    if (l != sizeof(*vio))
	croak("unexpected datasize");
    Copy((KBDINFO*)s, vio, 1, KBDINFO);
    if (vio->cb != sizeof(*vio))
	croak("unexpected datasize");
    if (CheckOSError(KbdSetStatus( vio, handle )))
	croak_with_os2error("Can't kbdStatus_set()");
}

SV*
_vioConfig(int which, int handle)
{
    struct {VIOCONFIGINFO i; short a[20];} viob[2], *vio;
    ULONG rc;

    VIO_FROM_VIOB;

    vio->i.cb = 2;
    if (CheckOSError(VioGetConfig( which, &vio->i, handle )))
	croak_with_os2error("Can't get VIO config size");
    if (vio->i.cb > sizeof(*vio))
	vio->i.cb = sizeof(*vio);
    if (CheckOSError(VioGetConfig( which, &vio->i, handle )))
	croak_with_os2error("Can't get VIO config");
    return newSVpvn((char*)vio, vio->i.cb);
}

SV*
_vioMode(void)
{
    VIOMODEINFO viob[2], *vio;
    ULONG rc;

    VIO_FROM_VIOB;

    vio->cb = sizeof(*vio);
    if (CheckOSError(VioGetMode( vio, 0 )))
	croak_with_os2error("Can't get VIO mode");
    return newSVpvn((char*)vio, sizeof(*vio));
}

void
_vioMode_set(SV* sv)
{
    VIOMODEINFO viob[2], *vio;
    ULONG rc;
    STRLEN l;
    char *s = SvPV(sv, l);

    VIO_FROM_VIOB;

    Copy((VIOMODEINFO*)s, vio, 1, VIOMODEINFO);
    if (vio->cb != sizeof(*vio) || l != vio->cb)
	croak("unexpected datasize");
    if (CheckOSError(VioSetMode( vio, 0 )))
	croak_with_os2error("Can't set VIO mode");
}

SV*
vioFont(int type, int *w, int *h) /* 0 for actual RAM font, 1 for ROM font */
{
    VIOFONTINFO viob[2], *vio;
    ULONG rc;
    UCHAR b[1<<17];
    UCHAR *buf = b;
    SV *sv;

    VIO_FROM_VIOB;

    /* Should not cross 64K boundaries too: */
    if (((ULONG)buf) & 0xFFFF)
	buf += 0x10000 - (((ULONG)buf) & 0xFFFF);

    vio->cb = sizeof(*vio);
    vio->type = type;			/* BIOS or the loaded font. */
    vio->cbData = 0xFFFF;		/* How large is my buffer? */
    vio->pbData = _emx_32to16(buf);	/* Wants an 16:16 pointer */
    if (CheckOSError(VioGetFont( vio, 0 )))
	croak_with_os2error("Can't get VIO font");
    *w = vio->cxCell;
    *h = vio->cyCell;
    return newSVpvn(buf,vio->cbData);
}

void
vioFont_set(SV *sv, int cellwidth, int cellheight, int type)
{
    VIOFONTINFO viob[2], *vio;
    ULONG rc;
    UCHAR b[1<<17];
    UCHAR *buf = b;
    STRLEN l;
    char *s = SvPV(sv, l);

    VIO_FROM_VIOB;

    /* Should not cross 64K boundaries too: */
    if (((ULONG)buf) & 0xFFFF)
	buf += 0x10000 - (((ULONG)buf) & 0xFFFF);

    if (l > 0xFFFF)
	croak("length overflow of VIO font");
    if (l != (cellwidth + 7)/8 * cellheight * 256)
	warn("unexpected length of VIO font");
    vio->cb = sizeof(*vio);
    vio->type = type;			/* BIOS or the loaded font. */
    vio->cbData = l;			/* How large is my buffer? */
    vio->pbData = _emx_32to16(buf);	/* Wants an 16:16 pointer */
    vio->cxCell = cellwidth;
    vio->cyCell = cellheight;
    Copy(s, buf, l, char);

    if (CheckOSError(VioSetFont( vio, 0 )))
	croak_with_os2error("Can't set VIO font");
}

/*
  uses use32,os2def,os2base,crt,defs;
  var   Plt :Plt256;
  const Pal :VioPalState=(Cb:sizeof(VioPalState);rType:0;iFirst:0;
    Acolor:($FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF,$FF));
        CReg:VioColorReg=(Cb:sizeof(VioColorReg);rType:3;FirstColorReg:0;
    NumColorRegs:256; ColorRegAddr:@Plt);
  var   ii:Pointer;
  begin
   VioGetState(Pal,0);
   Pal.Acolor[09]:=$0F;
   Pal.Acolor[10]:=$A;
   Pal.Acolor[13]:=$2F;
   VioSetState(Pal,0); // ce smena EGA registrov
   asm
  lea   eax,Plt
     call  DosFlatToSel
     mov   ii,eax
   end;
   CReg.ColorRegAddr:=ii;
   VioGetState(CReg,0);
   Plt[10,0]:=$00;
   Plt[10,1]:=$32;
   Plt[10,2]:=$2A;
   VioSetState(CReg,0); // a ce - VGA registrov
  end.
*/

typedef union {
  VIOPALSTATE pal;
  struct { VIOPALSTATE pal; USHORT a[15]; } pal_padded;
  VIOOVERSCAN overscan;
  VIOINTENSITY intensity;
  VIOCOLORREG colorreg;
  struct { VIOCOLORREG reg; char rgb[3*256]; } colorreg_padded;
  VIOSETULINELOC lineloc;
  VIOSETTARGET target;
} my_VIOSTATE;

int
vio_state_size(int what)
{
    static const char sizes[] = {
	sizeof(VIOPALSTATE),
	sizeof(VIOOVERSCAN),
	sizeof(VIOINTENSITY),
	sizeof(VIOCOLORREG),
	6,				/* Random number: Reserved entry */
	sizeof(VIOSETULINELOC),
	sizeof(VIOSETTARGET)
    };
    if (what < 0 || what >= sizeof(sizes))
	croak("Unexpected VIO state type");
    return sizes[what];
}

SV*
_vioState(int what, int first, int count)
{
    my_VIOSTATE viob[2], *vio;
    ULONG rc, size = vio_state_size(what);

    VIO_FROM_VIOB;

    vio->pal.cb = size;
    vio->pal.type = what;
    if (what == 0) {
	vio->pal.iFirst = first;
	if (first < 0 || first >= 16)
	    croak("unexpected palette start value");
	if (count < 0 || count > 16)
	    croak("unexpected palette count");
	vio->pal.cb = (size += (count - 1) * sizeof(short));
    } else if (what == 3) {
	/* Wants an 16:16 pointer */
	if (count < 0 || count > 256)
	    croak("unexpected palette count");
	vio->colorreg.colorregaddr = (PCH)_emx_32to16(vio->colorreg_padded.rgb);
	vio->colorreg.numcolorregs = count;		/* 256 is max */
	vio->colorreg.firstcolorreg = first;
	size += 3 * count;
    }
    if (CheckOSError(VioGetState( (void*)vio, 0 )))
	croak_with_os2error("Can't get VIO state");
    return newSVpvn((char*)vio, size);
}

void
_vioState_set(SV *sv)
{
    my_VIOSTATE viob[2], *ovio = (my_VIOSTATE*)SvPV_nolen(sv), *vio = ovio;
    int what = ovio->pal.type, cb = ovio->pal.cb;
    ULONG rc, size = vio_state_size(what);
    STRLEN l;
    char *s = SvPV(sv, l);

    VIO_FROM_VIOB;

    switch (what) {
    case 0:
	if ( cb < size || cb > size + 15*sizeof(SHORT) || l != cb)
	    croak("unexpected datasize");
	size = l;
	break;
    case 3:
	if (l != cb + 3 * ovio->colorreg.numcolorregs || cb != size)
	    croak("unexpected datasize");
	size = l;
	break;
    default:
	if (l != cb || l != size )
	    croak("unexpected datasize");
	break;
    }
    Copy(s, (char*)vio, size, char);
    if (what == 3)	/* We expect colors put after VIOCOLORREG */
	vio->colorreg.colorregaddr = (PCH)_emx_32to16(vio->colorreg_padded.rgb);

    if (CheckOSError(VioSetState( (void*)vio, 0 )))
	croak_with_os2error("Can't set VIO state");
}

SV *
screen(void)
{
    ULONG rc;
    USHORT bufl = bufsize();
    char b[(1<<16) * 3]; /* This/3 is enough for 16-bit calls, we need
			    2x overhead due to 2 vs 4 issue, and extra
			    64K due to alignment logic */
    char *buf = b;
    
    if (((ULONG)buf) & 0xFFFF)
	buf += 0x10000 - (((ULONG)buf) & 0xFFFF);
    if ((sizeof(b) - (buf - b)) < 2*bufl)
	croak("panic: VIO buffer allocation");
    if (CheckOSError(VioReadCellStr( buf, &bufl, 0, 0, 0 )))
	return &PL_sv_undef;
    return newSVpvn(buf,bufl);
}

bool
screen_set(SV *sv)
{
    ULONG rc;
    STRLEN l = SvCUR(sv), bufl = bufsize();
    char b[(1<<16) * 2]; /* This/2 is enough for 16-bit calls, we need
			    extra 64K due to alignment logic */
    char *buf = b;
    
    if (((ULONG)buf) & 0xFFFF)
	buf += 0x10000 - (((ULONG)buf) & 0xFFFF);
    if (!SvPOK(sv) || ((l != bufl) && (l != 2*bufl)))
	croak("Wrong size %d of saved screen data", SvCUR(sv));
    if ((sizeof(b) - (buf - b)) < l)
	croak("panic: VIO buffer allocation");
    Copy(SvPV(sv,l), buf, bufl, char);
    if (CheckOSError(VioWrtCellStr( buf, bufl, 0, 0, 0 )))
	return 0;
    return 1;
}

int
process_codepages()
{
    ULONG cps[4], cp, rc;

    if (CheckOSError(DosQueryCp( sizeof(cps), cps, &cp )))
	croak_with_os2error("DosQueryCp()");
    return cp;
}

int
out_codepage()
{
    USHORT cp, rc;

    if (CheckOSError(VioGetCp( 0, &cp, 0 )))
	croak_with_os2error("VioGetCp()");
    return cp;
}

bool
out_codepage_set(int cp)
{
    USHORT rc;

    return !(CheckOSError(VioSetCp( 0, cp, 0 )));
}

int
in_codepage()
{
    USHORT cp, rc;

    if (CheckOSError(KbdGetCp( 0, &cp, 0 )))
	croak_with_os2error("KbdGetCp()");
    return cp;
}

bool
in_codepage_set(int cp)
{
    USHORT rc;

    return !(CheckOSError(KbdSetCp( 0, cp, 0 )));
}

bool
process_codepage_set(int cp)
{
    USHORT rc;

    return !(CheckOSError(DosSetProcessCp( cp )));
}

int
ppidOf(int pid)
{
  PQTOPLEVEL psi;
  int ppid;

  if (!pid)
      return -1;
  psi = get_sysinfo(pid, QSS_PROCESS);
  if (!psi)
      return -1;
  ppid = psi->procdata->ppid;
  Safefree(psi);
  return ppid;
}

int
sidOf(int pid)
{
  PQTOPLEVEL psi;
  int sid;

  if (!pid)
      return -1;
  psi = get_sysinfo(pid, QSS_PROCESS);
  if (!psi)
      return -1;
  sid = psi->procdata->sessid;
  Safefree(psi);
  return sid;
}

STRLEN
StrLen(ULONG addr, ULONG lim, I32 unitsize)
{
    switch (unitsize) {
      case 1:
	{
	    char *s = (char *)addr;
	    char *s1 = s, *e = (char *)(addr + lim);

	    while (s < e && *s)
		s++;
	    return s - s1;
	}
	break;
      case 2:
	{
	    short *s = (short *)addr;
	    short *s1 = s, *e = (short *)(addr + lim);

	    while (s < e && *s)
		s++;
	    return (char*)s - (char*)s1;
	}
	break;
      case 4:
	{
	    int *s = (int *)addr;
	    int *s1 = s, *e = (int *)(addr + lim);

	    while (s < e && *s)
		s++;
	    return (char*)s - (char*)s1;
	}
	break;
      case 8:
	{
	    long long *s = (long long *)addr;
	    long long *s1 = s, *e = (long long *)(addr + lim);

	    while (s < e && *s)
		s++;
	    return (char*)s - (char*)s1;
	}
	break;
      default:
	croak("StrLen: unknown unitsize %d", (int)unitsize);
    }
}

#define ulMPFROMSHORT(i)		((unsigned long)MPFROMSHORT(i))
#define ulMPVOID()			((unsigned long)MPVOID)
#define ulMPFROMCHAR(i)			((unsigned long)MPFROMCHAR(i))
#define ulMPFROM2SHORT(x1,x2)		((unsigned long)MPFROM2SHORT(x1,x2))
#define ulMPFROMSH2CH(s, c1, c2)	((unsigned long)MPFROMSH2CH(s, c1, c2))
#define ulMPFROMLONG(x)			((unsigned long)MPFROMLONG(x))

#define _MessageBox			MessageBox
#define _MessageBox2			MessageBox2

MODULE = OS2::Process		PACKAGE = OS2::Process

PROTOTYPES: ENABLE

unsigned long
constant(name,arg)
	char *		name
	int		arg

char *
my_type()

U32
file_type(path)
    char *path

SV *
swentry_expand( SV *sv )
    PPCODE:
     {
	 STRLEN l;
	 PSWENTRY pswentry = (PSWENTRY)SvPV(sv, l);

	 if (l != sizeof(SWENTRY))
		croak("Wrong structure size %ld!=%ld in swentry_expand()", (long)l, (long)sizeof(SWENTRY));
	 EXTEND(sp,11);
	 PUSHs(sv_2mortal(newSVpv(pswentry->swctl.szSwtitle, 0)));
	 PUSHs(sv_2mortal(newSVnv(pswentry->swctl.hwnd)));
	 PUSHs(sv_2mortal(newSVnv(pswentry->swctl.hwndIcon)));
	 PUSHs(sv_2mortal(newSViv(pswentry->swctl.hprog)));
	 PUSHs(sv_2mortal(newSViv(pswentry->swctl.idProcess)));
	 PUSHs(sv_2mortal(newSViv(pswentry->swctl.idSession)));
	 PUSHs(sv_2mortal(newSViv(pswentry->swctl.uchVisibility & SWL_VISIBLE)));
	 PUSHs(sv_2mortal(newSViv(pswentry->swctl.uchVisibility & SWL_GRAYED)));
	 PUSHs(sv_2mortal(newSViv(pswentry->swctl.fbJump == SWL_JUMPABLE)));
	 PUSHs(sv_2mortal(newSViv(pswentry->swctl.bProgType)));
	 PUSHs(sv_2mortal(newSViv(pswentry->hswitch)));
     }

SV *
create_swentry( char *title, unsigned long sw_hwnd, unsigned long icon_hwnd, unsigned long owner_phandle, unsigned long owner_pid, unsigned long owner_sid, unsigned long visible, unsigned long switchable,	 unsigned long jumpable, unsigned long ptype, unsigned long sw_entry)
PROTOTYPE: DISABLE

int
change_swentry( SV *sv )

bool
sesmgr_title_set(s)
    char *s

SV *
process_swentry(unsigned long pid = getpid(), HWND hwnd = NULLHANDLE);
  PROTOTYPE: DISABLE

int
swentry_size()

SV *
swentries_list()

void
ResetWinError()
   POSTCALL:
	XSRETURN_YES;

int
WindowText_set(HWND hwndFrame, char *title)

bool
FocusWindow_set(HWND hwndFocus, HWND hwndDesktop = HWND_DESKTOP)

bool
ShowWindow(HWND hwnd, bool fShow = TRUE)

bool
EnableWindow(HWND hwnd, bool fEnable = TRUE)

bool
PostMsg(HWND hwnd, unsigned long msg, unsigned long mp1 = 0, unsigned long mp2 = 0)
    C_ARGS: hwnd, msg, (MPARAM)mp1, (MPARAM)mp2

bool
WindowPos_set(HWND hwnd, long x, long y, unsigned long fl = SWP_MOVE, long cx = 0, long cy = 0, HWND hwndInsertBehind = HWND_TOP)
  PROTOTYPE: DISABLE

unsigned long
BeginEnumWindows(HWND hwnd)

bool
EndEnumWindows(unsigned long henum)

unsigned long
GetNextWindow(unsigned long henum)

bool
IsWindowVisible(HWND hwnd)

bool
IsWindowEnabled(HWND hwnd)

bool
IsWindowShowing(HWND hwnd)

unsigned long
QueryWindow(HWND hwnd, long cmd)

unsigned long
IsChild(HWND hwnd, HWND hwndParent)

unsigned long
WindowFromId(HWND hwndParent, unsigned long id)

unsigned long
WindowFromPoint(long x, long y, HWND hwnd = HWND_DESKTOP, bool fChildren = TRUE)
PROTOTYPE: DISABLE

unsigned long
EnumDlgItem(HWND hwndDlg, unsigned long code, HWND hwnd = NULLHANDLE)
   C_ARGS: hwndDlg, hwnd, code

bool
EnableWindowUpdate(HWND hwnd, bool fEnable = TRUE)

bool
SetWindowBits(HWND hwnd, long index, unsigned long flData, unsigned long flMask)

bool
SetWindowPtr(HWND hwnd, long index, unsigned long p)
    C_ARGS: hwnd, index, (PVOID)p

bool
SetWindowULong(HWND hwnd, long index, unsigned long i)

bool
SetWindowUShort(HWND hwnd, long index, unsigned short i)

bool
IsWindow(HWND hwnd, HAB hab = Acquire_hab())
    C_ARGS: hab, hwnd

BOOL
ActiveWindow_set(HWND hwnd, HWND hwndDesktop = HWND_DESKTOP)
    CODE:
	RETVAL = SetActiveWindow(hwndDesktop, hwnd);

unsigned long
LoadPointer(unsigned long idres, unsigned long hmod = 0, HWND hwndDesktop = HWND_DESKTOP)
    C_ARGS: hwndDesktop, hmod, idres

int
out_codepage()

bool
out_codepage_set(int cp)

int
in_codepage()

bool
in_codepage_set(int cp)

SV *
screen()

bool
screen_set(SV *sv)

SV *
process_codepages()
  PPCODE:
  {
    ULONG cps[4], c, i = 0, rc;

    if (CheckOSError(DosQueryCp( sizeof(cps), cps, &c )))
	c = 0;
    c /= sizeof(ULONG);
    if (c >= 3)
    EXTEND(sp, c);
    while (i < c)
	PUSHs(sv_2mortal(newSViv(cps[i++])));
  }

bool
process_codepage_set(int cp)

void
cursor(OUTLIST int stp, OUTLIST int ep, OUTLIST int wp, OUTLIST int ap)
  PROTOTYPE:

bool
cursor_set(int s, int e, int w = cursor__(0), int a = cursor__(1))

SV*
_kbdChar(int nowait = 0, int handle = 0)

SV*
_kbdStatus(int handle = 0)

void
_kbdStatus_set(SV *sv, int handle = 0)
   POSTCALL:
	XSRETURN_YES;

SV*
_vioConfig(int which = 0, int handle = 0)

SV*
_vioMode()

void
_vioMode_set(SV *buffer)
   POSTCALL:
	XSRETURN_YES;

SV*
_vioState(int what, int first = -1, int count = -1)

void
_vioState_set(SV *buffer)
   POSTCALL:
	XSRETURN_YES;

SV*
vioFont( int type = 0, OUTLIST int w, OUTLIST int h)

void
vioFont_set(SV *buffer, int cellwidth, int cellheight, int type = 0)
   POSTCALL:
	XSRETURN_YES;

NO_OUTPUT bool
_ClipbrdData_set(unsigned long ulData, unsigned long fmt = CF_TEXT, unsigned long rgfFmtInfo = default_fmtInfo(fmt), HAB hab = perl_hab_GET())
    PROTOTYPE: DISABLE
    C_ARGS: hab, ulData, fmt, rgfFmtInfo
    POSTCALL:
	if (CheckWinError(RETVAL))
	    croak_with_os2error("_ClipbrdData_set() error");
	XSRETURN_YES;

void
ClipbrdData_set(SV *text, int convert_nl = 1, unsigned long fmt = CF_TEXT, unsigned long rgfFmtInfo = default_fmtInfo(fmt), HAB hab = perl_hab_GET())
    PROTOTYPE: DISABLE
    POSTCALL:
	XSRETURN_YES;

void
ClipbrdOwner_set(HWND hwnd, HAB hab = perl_hab_GET())
    C_ARGS: hab, hwnd
    POSTCALL:
	XSRETURN_YES;

void
ClipbrdViewer_set(HWND hwnd, HAB hab = perl_hab_GET())
    C_ARGS: hab, hwnd
    POSTCALL:
	XSRETURN_YES;

unsigned long
EnumClipbrdFmts(unsigned long fmt = 0, HAB hab = perl_hab_GET())
    C_ARGS: hab, fmt

unsigned long
AddAtom(char *pszAtomName, HATOMTBL hAtomTbl = QuerySystemAtomTable())
    C_ARGS: hAtomTbl, pszAtomName

unsigned long
FindAtom(char *pszAtomName, HATOMTBL hAtomTbl = QuerySystemAtomTable())
    C_ARGS: hAtomTbl, pszAtomName

unsigned long
_DeleteAtom(ATOM atom, HATOMTBL hAtomTbl = QuerySystemAtomTable())
    PROTOTYPE: DISABLE
    C_ARGS: hAtomTbl, atom

#if 0

unsigned long
WinDeleteAtom(ATOM atom, HATOMTBL hAtomTbl = QuerySystemAtomTable())
    C_ARGS: hAtomTbl, atom

#endif

void
Alarm(unsigned long rgfType = WA_ERROR, HWND hwndDesktop = HWND_DESKTOP)
    C_ARGS: hwndDesktop, rgfType
    POSTCALL:
	XSRETURN_YES;

void
FlashWindow(HWND hwndFrame, bool fFlash)
    POSTCALL:
	XSRETURN_YES;

STRLEN
StrLen(ULONG addr, ULONG lim, I32 unitsize = 1)

MODULE = OS2::Process		PACKAGE = OS2::Process	PREFIX = myQuery

SV *
myQueryWindowText(HWND hwnd)

SV *
myQueryClassName(HWND hwnd)

MODULE = OS2::Process		PACKAGE = OS2::Process	PREFIX = Query

unsigned long
QueryFocusWindow(HWND hwndDesktop = HWND_DESKTOP)

long
QueryWindowTextLength(HWND hwnd)

SV *
QueryWindowSWP(HWND hwnd)

unsigned long
QueryWindowULong(HWND hwnd, long index)

unsigned short
QueryWindowUShort(HWND hwnd, long index)

unsigned long
QueryActiveWindow(HWND hwnd = HWND_DESKTOP)

unsigned long
QueryDesktopWindow(HAB hab = Acquire_hab(), unsigned long hdc = NULLHANDLE)

unsigned long
QueryClipbrdData(unsigned long fmt = CF_TEXT, HAB hab = perl_hab_GET())
    C_ARGS: hab, fmt
    PROTOTYPE: DISABLE

ULONG
QueryMemoryRegionSize(ULONG addr, OUTLIST ULONG flagp, ULONG len = 0xFFFFFFFF - addr, I32 interrupt = 1)

unsigned long
QueryClipbrdViewer(HAB hab = perl_hab_GET())

unsigned long
QueryClipbrdOwner(HAB hab = perl_hab_GET())

void
CloseClipbrd(HAB hab = perl_hab_GET())
    POSTCALL:
	XSRETURN_YES;

void
EmptyClipbrd(HAB hab = perl_hab_GET())
   POSTCALL:
	XSRETURN_YES;

bool
OpenClipbrd(HAB hab = perl_hab_GET())

unsigned long
QueryAtomUsage(ATOM atom, HATOMTBL hAtomTbl = QuerySystemAtomTable())
    C_ARGS: hAtomTbl, atom

unsigned long
QueryAtomLength(ATOM atom, HATOMTBL hAtomTbl = QuerySystemAtomTable())
    C_ARGS: hAtomTbl, atom
   POSTCALL:
	if (!RETVAL)
	    XSRETURN_EMPTY;

unsigned long
QuerySystemAtomTable()

unsigned long
QuerySysPointer(long lId, bool fCopy = 1, HWND hwndDesktop = HWND_DESKTOP)
    C_ARGS: hwndDesktop, lId, fCopy

unsigned long
CreateAtomTable(unsigned long initial = 0, unsigned long buckets = 0)

unsigned long
_DestroyAtomTable(HATOMTBL hAtomTbl)
    PROTOTYPE: DISABLE


MODULE = OS2::Process		PACKAGE = OS2::Process	PREFIX = myWinQuery

unsigned long
myWinQueryWindowPtr(HWND hwnd, long index)

NO_OUTPUT BOOL
myWinQueryWindowProcess(HWND hwnd, OUTLIST unsigned long pid, OUTLIST unsigned long tid)
   PROTOTYPE: $
   POSTCALL:
	if (CheckWinError(RETVAL))
	    croak_with_os2error("WindowProcess() error");

SV *
myWinQueryActiveDesktopPathname()

void
myWinQueryClipbrdFmtInfo(OUTLIST unsigned long prgfFmtInfo, unsigned long fmt = CF_TEXT, HAB hab = perl_hab_GET())
   C_ARGS: hab, fmt, &prgfFmtInfo

SV *
myWinQueryAtomName(ATOM atom, HATOMTBL hAtomTbl = QuerySystemAtomTable())

MODULE = OS2::Process		PACKAGE = OS2::Process	PREFIX = myWin

int
myWinSwitchToProgram(HSWITCH hsw = switch_of(NULLHANDLE, getpid()))
    PREINIT:
	ULONG rc;

#if 0

unsigned long
myWinMessageBox(unsigned long pszText, char* pszCaption = "Perl script message", unsigned long flStyle = MB_CANCEL | MB_ICONHAND, HWND hwndParent = HWND_DESKTOP, HWND hwndOwner = HWND_DESKTOP, unsigned long idWindow = 0)
    C_ARGS: hwndParent, hwndOwner, pszText, pszCaption, idWindow, flStyle

#endif

unsigned long
_MessageBox(char* pszText, char* pszCaption = "Perl script message", unsigned long flStyle = MB_CANCEL | MB_INFORMATION | MB_MOVEABLE, HWND hwndParent = HWND_DESKTOP, HWND hwndOwner = NULLHANDLE, unsigned long idWindow = 0)
    C_ARGS: hwndParent, hwndOwner, pszText, pszCaption, idWindow, flStyle
    POSTCALL:
	if (RETVAL == MBID_ERROR)
	    RETVAL = 0;

unsigned long
_MessageBox2(char *pszText, char* pmb2info, char *pszCaption = "Perl script message", HWND hwndParent = HWND_DESKTOP, HWND hwndOwner = NULLHANDLE, unsigned long idWindow = 0)
    C_ARGS: hwndParent, hwndOwner, pszText, pszCaption, idWindow, (PMB2INFO)pmb2info
    POSTCALL:
	if (RETVAL == MBID_ERROR)
	    RETVAL = 0;

MODULE = OS2::Process		PACKAGE = OS2::Process	PREFIX = myWinQuery

MODULE = OS2::Process		PACKAGE = OS2::Process	PREFIX = get

int
getppid()

int
ppidOf(int pid = getpid())

int
sidOf(int pid = getpid())

void
getscrsize(OUTLIST int wp, OUTLIST int hp)
  PROTOTYPE:

bool
scrsize_set(int w_or_h, int h = -9999)

void
get_InvalidateRect(HWND hwnd, char *prcl, bool fIncludeChildren)

void
get_CreateFrameControls(HWND hwndFrame, char *pfcdata, char* pszTitle)

MODULE = OS2::Process		PACKAGE = OS2::Process	PREFIX = ul

unsigned long
ulMPFROMSHORT(unsigned short i)

unsigned long
ulMPVOID()

unsigned long
ulMPFROMCHAR(unsigned char i)

unsigned long
ulMPFROM2SHORT(unsigned short x1, unsigned short x2)
  PROTOTYPE: DISABLE

unsigned long
ulMPFROMSH2CH(unsigned short s, unsigned char c1, unsigned char c2)
  PROTOTYPE: DISABLE

unsigned long
ulMPFROMLONG(unsigned long x)