File: extern.h

package info (click to toggle)
astrolog 5.30-2
  • links: PTS
  • area: non-free
  • in suites: slink
  • size: 1,504 kB
  • ctags: 2,145
  • sloc: ansic: 20,431; perl: 313; makefile: 50
file content (645 lines) | stat: -rw-r--r-- 23,504 bytes parent folder | download
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
/*
** Astrolog (Version 5.30) File: extern.h
**
** IMPORTANT NOTICE: The graphics database and chart display routines
** used in this program are Copyright (C) 1991-1996 by Walter D. Pullen
** (Astara@msn.com, http://www.magitech.com/~cruiser1/astrolog.htm).
** Permission is granted to freely use and distribute these routines
** provided one doesn't sell, restrict, or profit from them in any way.
** Modification is allowed provided these notices remain with any
** altered or edited versions of the program.
**
** The main planetary calculation routines used in this program have
** been Copyrighted and the core of this program is basically a
** conversion to C of the routines created by James Neely as listed in
** Michael Erlewine's 'Manual of Computer Programming for Astrologers',
** available from Matrix Software. The copyright gives us permission to
** use the routines for personal use but not to sell them or profit from
** them in any way.
**
** The PostScript code within the core graphics routines are programmed
** and Copyright (C) 1992-1993 by Brian D. Willoughby
** (brianw@sounds.wa.com). Conditions are identical to those above.
**
** The extended accurate ephemeris databases and formulas are from the
** calculation routines in the program "Placalc" and are programmed and
** Copyright (C) 1989,1991,1993 by Astrodienst AG and Alois Treindl
** (alois@azur.ch). The use of that source code is subject to
** regulations made by Astrodienst Zurich, and the code is not in the
** public domain. This copyright notice must not be changed or removed
** by any user of this program.
**
** Initial programming 8/28,30, 9/10,13,16,20,23, 10/3,6,7, 11/7,10,21/1991.
** X Window graphics initially programmed 10/23-29/1991.
** PostScript graphics initially programmed 11/29-30/1992.
** Last code change made 9/22/1996.
*/

/*
******************************************************************************
** Function Declarations.
******************************************************************************
*/

#ifdef PROTO
#define P(t) t
#else
#define P(t) ()
#endif

/* From astrolog.c */

extern void InitColors P((void));
extern void Action P((void));
extern void InitVariables P((void));
extern bool FProcessCommandLine P((char *));
extern int NParseCommandLine P((char *, char **));
extern int NPromptSwitches P((char *, char *[MAXSWITCHES]));
extern int NProcessSwitchesRare P((int, char **, int, bool, bool, bool));
extern bool FProcessSwitches P((int, char **));


/* From data.c & data2.c */

#define MM ciCore.mon
#define DD ciCore.day
#define YY ciCore.yea
#define TT ciCore.tim
#define ZZ ciCore.zon
#define SS ciCore.dst
#define OO ciCore.lon
#define AA ciCore.lat

#define Mon ciMain.mon
#define Day ciMain.day
#define Yea ciMain.yea
#define Tim ciMain.tim
#define Zon ciMain.zon
#define Dst ciMain.dst
#define Lon ciMain.lon
#define Lat ciMain.lat

#define MonT ciTran.mon
#define DayT ciTran.day
#define YeaT ciTran.yea
#define TimT ciTran.tim
#define ZonT ciTran.zon
#define DstT ciTran.dst
#define LonT ciTran.lon
#define LatT ciTran.lat

#define planet    cp0.obj
#define planetalt cp0.alt
#define ret       cp0.dir
#define chouse    cp0.cusp
#define inhouse   cp0.house

#define ignorea(a) (rAspOrb[a] <= 0.0)

extern US NPTR us;
extern IS NPTR is;
extern CI ciCore, ciMain, ciTwin, ciThre, ciFour, ciTran, ciSave;
extern CP cp0, cp1, cp2;

extern real spacex[oNorm+1], spacey[oNorm+1], spacez[oNorm+1], force[objMax];
extern GridInfo FPTR *grid;
extern int starname[cStar+1], kObjA[objMax];

extern byte ignore[objMax], ignore2[objMax], ignorez[4], pluszone[cSector+1];
extern real rAspAngle[cAspect+1], rAspOrb[cAspect+1], rObjOrb[oNorm+1],
  rObjAdd[oNorm+1];
extern CONST int rules[cSign+1];
extern int ruler1[oNorm+1], ruler2[oNorm+1], exalt[oNorm+1],
  kMainA[9], kRainbowA[8], kElemA[4], kAspA[cAspect+1];
extern real rObjInf[oNorm+3], rHouseInf[cSign+3], rAspInf[cAspect+1],
  rTransitInf[oNorm+3];

extern CONST char *szAppName, *szSignName[cSign+1], *szSignAbbrev[cSign+1],
  *szSignEnglish[cSign+1], *szHouseTradition[cSign+1], *szSystem[cSystem],
  *szAspectName[cAspect+1], *szAspectGlyph[cAspect+1],
  *szAspectConfig[cAspConfig+1], *szElem[4], *szMode[3], *szMonth[cSign+1],
  *szDay[cWeek], *szZon[cZone], *szDir[4], *szSuffix[cSign+1];
extern CONST real rZon[cZone];
extern char *szAspectAbbrev[cAspect+1];
extern CONST char *szObjName[objMax], *szCnstlName[cCnstl+1],
  *szCnstlAbbrev[cCnstl+1], *szCnstlMeaning[cCnstl+1],
  *szCnstlGenitive[cCnstl+1];
extern CONST real rStarBright[cStar+1], rStarData[cStar*6];
extern char *szMindPart[oNorm+1], *szDesc[cSign+1], *szDesire[cSign+1],
  *szLifeArea[cSign+1], *szInteract[cAspectInt+1], *szTherefore[cAspectInt+1],
  *szModify[3][cAspectInt];

extern CONST real rObjDist[oVes+1], rObjYear[oVes+1], rObjDiam[oVes+1],
  rObjDay[oPlu+1], rObjMass[oPlu+1], rObjAxis[oPlu+1];
extern CONST byte cSatellite[oPlu+1];
extern CONST AI ai[cPart];

extern CONST byte rErrorCount[oPlu-oJup+1];
extern CONST byte rErrorOffset[oPlu-oJup+1];
extern CONST real rErrorData[72+51+42*3];
extern OE rgoe[oVes-1+cUran];
extern char *szMacro[48];
extern CONST char *szColor[cColor];


/* From general.c */

#define PrintAltitude(deg) PrintSz(SzAltitude(deg))
#define ErrorValR(sz, r) ErrorValN(sz, (int)r)

extern void SwapR P((real *, real *));
extern int CchSz P((CONST char *));
extern int NCompareSz P((CONST char *, CONST char *));
extern void ClearB P((lpbyte, int));
extern void CopyRgb P((byte *, byte *, int));
extern real RSgn P((real));
extern real Angle P((real, real));
extern real Mod P((real));
extern real ModRad P((real));
extern long Dvd P((long, long));
extern int Mod12 P((int));
extern real DecToDeg P((real));
extern real DegToDec P((real));
extern real MinDistance P((real, real));
extern real MinDifference P((real, real));
extern real Midpoint P((real, real));
extern char Dignify P((int, int));
extern int DayInMonth P((int, int));
extern int DaysInMonth P((int, int));
extern int DayOfWeek P((int, int, int));
extern int AddDay P((int, int, int, int));
extern real GetOrb P((int, int, int));
extern void Terminate P((int));
extern void PrintSz P((CONST char *));
extern void PrintCh P((char));
extern void PrintSzScreen P((char *));
extern void PrintNotice P((char *));
extern void PrintWarning P((char *));
extern void PrintError P((char *));
extern void ErrorArgc P((char *));
extern void ErrorValN P((char *, int));
extern void ErrorArgv P((char *));
extern void ErrorSwitch P((char *));
extern void ErrorEphem P((char *, long));
extern void PrintTab P((char, int));
extern void AnsiColor P((int));
extern void PrintZodiac P((real));
extern char *SzZodiac P((real));
extern char *SzAltitude P((real));
extern char *SzDegree P((real));
extern char *SzDate P((int, int, int, int));
extern char *SzTime P((int, int));
extern char *SzTim P((real));
extern char *SzZone P((real));
extern char *SzLocation P((real, real));
extern void GetTimeNow P((int *, int *, int *, real *, real));
extern int NFromAltN P((int));
extern char *ProcessProgname P((char *));
extern char *SzPersist P((char *));
extern lpbyte PAllocate P((long, bool, char *));


/* From io.c */

extern FILE *FileOpen P((char *, int));
extern bool FProcessSwitchFile P((char *, FILE *));
extern bool FOutputData P((void));
extern int NParseSz P((char *, int));
extern real RParseSz P((char *, int));
extern void InputString P((char *, char *));
extern int NInputRange P((char *, int, int, int));
extern real RInputRange P((char *, real, real, int));
extern bool FInputData P((char *));


/* From calc.c */

#define RBiorhythm(day, rate) (RSin(((day)/(rate))*rPi2)*100.0)

extern int HousePlaceIn P((real));
extern void ComputeInHouses P((void));
extern void HouseAlcabitius P((void));
extern void HouseEqualMidheaven P((void));
extern void HousePorphyryNeo P((void));
extern void HouseWhole P((void));
extern void HouseNull P((void));
extern void ComputeHouses P((int));
extern void ComputeStars P((real));
extern real Decan P((real));
extern void SphToRec P((real, real, real, real *, real *, real *));
extern void ComputePlacalc P((real));
extern real CastChart P((bool));
extern void CastSectors P((void));
extern bool FEnsureGrid P((void));
extern bool FAcceptAspect P((int, int, int));
extern void GetAspect P((real *, real *, real *, real *, int, int));
extern void GetParallel P((real *, real *, real *, real *, int, int));
extern bool FCreateGrid P((bool));
extern bool FCreateGridRelation P((bool));
extern void CreateElemTable P((ET *));


/* From matrix.c */

#define EclToEqu(Z, L) CoorXform(Z, L, RFromD(rAxis))
#define EquToEcl(Z, L) CoorXform(Z, L, RFromD(-rAxis))
#define EquToLocal(Z, L, T) CoorXform(Z, L, T)
#define JulianDayFromTime(t) ((t)*36525.0+2415020.0)
#define IoeFromObj(obj) \
  (obj < oMoo ? 0 : (obj <= cPlanet ? obj-2 : obj-uranLo+cPlanet-1))
#define Tropical(deg) (deg - is.rSid + us.rZodiacOffset)

extern real MC, Asc, RA, OB;

extern long MdyToJulian P((int, int, int));
extern real MdytszToJulian P((int, int, int, real, real, real));
extern void JulianToMdy P((real, int *, int *, int *));
extern real ProcessInput P((bool));
extern void PolToRec P((real, real, real *, real *));
extern void RecToPol P((real, real, real *, real *));
extern real RecToSph P((real, real, real));
extern void CoorXform P((real *, real *, real));
extern void ComputeVariables P((real *));
extern real CuspMidheaven P((void));
extern real CuspAscendant P((void));
extern real CuspEastPoint P((void));
extern real CuspPlacidus P((real, real, bool));
extern void HousePlacidus P((void));
extern void HouseKoch P((void));
extern void HouseEqual P((void));
extern void HouseCampanus P((void));
extern void HouseMeridian P((void));
extern void HouseRegiomontanus P((void));
extern void HousePorphyry P((void));
extern void HouseMorinus P((void));
extern real CuspTopocentric P((real));
extern void HouseTopocentric P((void));
extern real ReadThree P((real, real, real));
extern void RecToSph2 P((real, real, real, real *, real *, real *));
extern void ErrorCorrect P((int, real *, real *, real *));
extern void ProcessPlanet P((int, real));
extern void ComputePlanets P((void));
extern void ComputeLunar P((real *, real *, real *, real *));


#ifdef PLACALC
/* From placalc.c & placalc2.c */

extern bool FPlacalcPlanet
  P((int, double, int, real *, real *, real *, real *));
extern double julday P((int, int, int, double, int));
extern void revjul P((double, int, int *, int *, int *, double *));
#endif


/* From charts0.c */

extern void PrintW P((char *, int));
extern void DisplayCredits P((void));
extern void PrintS P((char *));
extern void DisplaySwitches P((void));
extern void DisplaySwitchesRare P((void));
extern void PrintObjects P((void));
extern void PrintAspects P((void));
extern void PrintSigns P((void));
#ifdef CONSTEL
extern char *GetSzGenitive P((char *, char *));
extern void GetSzConstel P((char *, int));
extern void PrintConstellations P((void));
#endif
extern void PrintOrbit P((void));
extern int NCompareSzPart P((int, int));
extern void DisplayArabic P((void));
#ifdef GRAPH
extern void DisplayKeysX P((void));
extern void DisplaySwitchesX P((void));
#ifdef WIN
extern void DisplaySwitchesW P((void));
#endif
#endif /* GRAPH */
extern bool FPrintTables P((void));


/* From charts1.c */

extern void PrintHeader P((void));
extern void ChartListing P((void));
extern void ChartGrid P((void));
extern void PrintGrand P((char, int, int, int, int));
extern void DisplayGrands P((void));
extern void PrintHouse P((int, int));
extern void PrintWheelCenter P((int));
extern void PrintWheelSlot P((int));
extern void ChartWheel P((void));
extern void PrintAspectSummary P((int *, int *, int, real));
extern void ChartAspect P((void));
extern void PrintMidpointSummary P((int *, int, long));
extern void ChartMidpoint P((void));
extern void ChartHorizon P((void));
extern void ChartOrbit P((void));
extern void ChartSector P((void));
extern void ChartAstroGraph P((void));
extern void PrintChart P((bool));


/* From charts2.c */

extern void ChartGridRelation P((void));
extern void ChartAspectRelation P((void));
extern void ChartMidpointRelation P((void));
extern void CastRelation P((void));
extern void PrintInDay P((int, int, int));
extern void PrintAspect P((int, int, int, int, int, int, int, char));
extern void ChartInDayInfluence P((void));
extern void ChartTransitInfluence P((bool));
extern void EclToHorizon P((real *, real *, real, real, real, real, real));
extern void ChartCalendarMonth P((void));
extern void ChartCalendarYear P((void));
extern void DisplayRelation P((void));


/* From charts3.c */

extern void ChartInDaySearch P((bool));
extern void ChartTransitSearch P((bool));
extern void ChartInDayHorizon P((void));
extern void ChartEphemeris P((void));


/* From intrpret.c */

#ifdef INTERPRET
extern void FieldWord P((char *));
extern void InterpretGeneral P((void));
extern void InterpretAspectGeneral P((void));
extern void InterpretLocation P((void));
extern void InterpretAspect P((int, int));
extern void InterpretGrid P((void));
extern void InterpretMidpoint P((int, int));
extern void InterpretInDay P((int, int, int));
extern void InterpretTransit P((int, int, int));
extern void InterpretSynastry P((void));
extern void InterpretAspectRelation P((int, int));
extern void InterpretGridRelation P((void));
extern void InterpretMidpointRelation P((int, int));
#endif
extern void SortRank P((real *, int *, int));
extern void ChartInfluence P((void));


#ifdef GRAPH
/* From xdata.c */

extern GS NPTR gs;
extern GI NPTR gi;

#ifdef X11
extern XSizeHints hint;
extern char xkey[];
extern char *szColorX[cColor];
extern KV rgbind[cColor];
extern KV fg, bg;
#endif
#ifdef WIN
extern int ikPalette[cColor];
#endif

extern CONST KV rgb[cColor], rgbbmp[cColor];
extern KI kMainB[9], kRainbowB[8], kElemB[4], kAspB[cAspect+1], kObjB[objMax];
extern CONST char szObjectFont[oNorm+2], szAspectFont[cAspect+1],
  *szDrawSign[cSign+2], *szDrawObject[oNorm+5], *szDrawObject2[oNorm+5],
  *szDrawHouse[cSign+1], *szDrawAspect[cAspect+3], *szDrawAspect2[cAspect+3],
  *szDrawCh[128-32+1], *szWorldData[62*3], *szDrawConstel[cCnstl+1];


/* From xgeneral.c */

#define BBmGet(B, X, Y) ((B)[(long)(Y)*(long)(gi.cbBmpRow) + ((X) >> 1)])
#define FBmGet(B, X, Y) (BBmGet(B, X, Y) >> (((X)&1^1) << 2) & 15)
#define BmSet(B, X, Y, O) BBmGet(B, X, Y) = BBmGet(B, X, Y) & \
  15 << (((X)&1) << 2) | (O) << (((X)&1^1) << 2)

#define PutByte(A) putc((byte) (A), file)
#define PutWord(A) PutByte(BLo(A)); PutByte(BHi(A))
#define PutLong(A) PutWord(WLo(A)); PutWord(WHi(A))

#define DrawEdge(X1, Y1, X2, Y2) \
  DrawBox(X1, Y1, X2, Y2, gi.nScaleT, gi.nScaleT)
#define DrawEdgeAll() DrawEdge(0, 0, gs.xWin-1, gs.yWin-1)
#define DrawLine(X1, Y1, X2, Y2) DrawDash(X1, Y1, X2, Y2, 0)
#define DrawCircle(X, Y, RX, RY) \
  DrawEllipse((X)-(RX), (Y)-(RY), (X)+(RX), (Y)+(RY))

extern void DrawColor P((KI));
extern void DrawPoint P((int, int));
extern void DrawSpot P((int, int));
extern void DrawBlock P((int, int, int, int));
extern void DrawBox P((int, int, int, int, int, int));
extern void DrawClearScreen P((void));
extern void DrawDash P((int, int, int, int, int));
extern void DrawWrap P((int, int, int, int, int, int));
extern void ClipLesser P((int *, int *, int *, int *, int));
extern void ClipGreater P((int *, int *, int *, int *, int));
extern void DrawClip P((int, int, int, int, int, int, int, int, int));
extern void DrawEllipse P((int, int, int, int));
extern void DrawSz P((CONST char *, int, int, int));
extern void DrawSign P((int, int, int));
extern void DrawHouse P((int, int, int));
extern void DrawObject P((int, int, int));
extern void DrawAspect P((int, int, int));
extern int NFromPch P((CONST char **));
extern void DrawTurtle P((CONST char *, int, int));


/* From xdevice.c */

#ifdef META
/* Macros to output the various metafile commands used. */

#define MetaRecord(S, R) MetaLong((long)(S)); MetaWord(R)
#define MetaSelectObject(O) MetaRecord(4, 0x12D); MetaWord(O)
#define MetaDeleteObject(O) MetaRecord(4, 0x1F0); MetaWord(O)
#define MetaSaveDc() MetaRecord(3, 0x01E)
#define MetaRestoreDc() MetaRecord(4, 0x127); MetaWord((word)-1)
#define MetaWindowOrg(X, Y) MetaRecord(5, 0x20B); MetaWord(Y); MetaWord(X)
#define MetaWindowExt(X, Y) MetaRecord(5, 0x20C); MetaWord(Y); MetaWord(X)
#define MetaCreatePen(S, W, C) MetaRecord(8, 0x2FA); MetaWord(S); \
  MetaWord(W); MetaWord(W); MetaLong(C)
#define MetaCreateBrush(S, C) MetaRecord(7, 0x2FC); \
  MetaWord(S); MetaLong(C); MetaWord(0 /* Not used */);
#define MetaCreateFont(S, X, Y, C) MetaRecord(12+(S), 0x2FB); MetaWord(Y); \
  MetaWord(X); MetaWord(0 /* Angle */); MetaWord(0 /* Not used */); \
  MetaWord(400 /* Normal Weight */); MetaWord(0 /* Italic, Underline */); \
  MetaWord(WFromBB(0 /* Strikeout */, C)); \
  MetaWord(WFromBB(4 /* TrueType */, 0 /* Clip */))
#define MetaBkMode(M) MetaRecord(4, 0x102); MetaWord(M)
#define MetaTextAlign(A) MetaRecord(4, 0x12E); MetaWord(A)
#define MetaTextColor(C) MetaRecord(5, 0x209); MetaLong(C);
#define MetaTextOut(X, Y, S) MetaRecord(7+((S)+1)/2, 0xA32); \
  MetaWord(Y); MetaWord(X); MetaWord(S); MetaWord(0 /* ETO */)
#define MetaRectangle(X1, Y1, X2, Y2) MetaRecord(7, 0x41B); \
  MetaWord(Y2); MetaWord(X2); MetaWord(Y1); MetaWord(X1)
#define MetaEllipse(X1, Y1, X2, Y2) MetaRecord(7, 0x418); \
  MetaWord(Y2); MetaWord(X2); MetaWord(Y1); MetaWord(X1)
#define MetaEscape(S) MetaRecord((S), 0x626); \
  MetaWord(15 /* MFCOMMENT */); MetaWord(((S)-5)*2 /* Bytes in comment */);
#endif /* META */

extern void WriteXBitmap P((FILE *, char *, char));
extern void WriteAscii P((FILE *));
extern void WriteBmp P((FILE *));
extern void BeginFileX P((void));
extern void EndFileX P((void));
extern void PsStrokeForce P((void));
extern void PsStroke P((int));
extern void PsLineCap P((bool));
extern void PsDash P((int));
extern void PsLineWidth P((int));
extern void PsFont P((int));
extern void PsBegin P((void));
extern void PsEnd P((void));
extern void MetaWord P((word));
extern void MetaLong P((long));
extern void MetaSelect P((void));
extern void MetaInit P((void));
extern void WriteMeta P((FILE *));
extern int MouseInit P((int, int));
extern void MouseShow P((bool));
extern bool MouseStatus P((int *, int *, int *));


/* From xcharts0.c */

extern int DrawPrint P((char *, int, int));
extern void DrawInfo P((void));
extern void DrawWheel
  P((real *, real *, int, int, real, real, real, real,real,real,real,real));
extern void DrawSymbolRing
  P((real *, real *, real *, int, int, real, real, real,real,real,real));
extern bool FReadWorldData P((char FPTR **, char FPTR **, char FPTR **));
extern bool FGlobeCalc P((real, real, int *, int *, int, int, int, int, int));
extern void DrawLeyLine P((real, real, real, real));
extern void DrawLeyLines P((int));
extern void DrawMap P((bool, bool, int));
extern void DrawChartX P((void));


/* From xcharts1.c */

extern void XChartWheel P((void));
extern void XChartAstroGraph P((void));
extern void XChartGrid P((void));
extern void XChartHorizon P((void));
extern void XChartHorizonSky P((void));
extern void XChartOrbit P((void));
extern void XChartSector P((void));
extern void DrawArrow P((int, int, int, int));
extern void XChartDispositor P((void));
extern void XChartCalendar P((void));


/* From xcharts2.c */

extern bool FProper P((int));
extern void FillSymbolRing P((real *, real));
extern void FillSymbolLine P((real *));
extern real HousePlaceInX P((real));
extern void XChartWheelRelation P((void));
extern void XChartWheelThreeFour P((void));
extern void XChartGridRelation P((void));
extern void XChartEphemeris P((void));
extern void XChartBiorhythm P((void));


/* From xscreen.c */

extern void InitColorsX P((void));
#ifdef ISG
extern void BeginX P((void));
extern void AddTime P((int, int));
extern void Animate P((int, int));
extern void CommandLineX P((void));
extern void SquareX P((int *, int *, int));
extern void InteractX P((void));
extern void EndX P((void));
#endif
extern int NProcessSwitchesX P((int, char **, int, bool, bool, bool));
extern int NProcessSwitchesRareX P((int, char **, int));
extern bool FActionX P((void));
#endif /* GRAPH */


#ifdef WIN
/* From wdriver.c & wdialog.c */

extern WI NPTR wi;
extern OPENFILENAME ofn;
extern PRINTDLG prd;
extern char szFileName[cchSzMaxFile], szFileTitle[cchSzMaxFile], *szFileTemp;

#define TextClearScreen() PatBlt(wi.hdc, 0, 0, wi.xClient, wi.yClient, \
  us.fAnsiColor || !gs.fInverse ? BLACKNESS : WHITENESS);
#define CheckMenu(cmd, f) \
  CheckMenuItem(wi.hmenu, (_int)cmd, f ? MF_CHECKED : MF_UNCHECKED);
#define WiCheckMenu(cmd, f) CheckMenu(cmd, f); wi.fMenu = fTrue
#define WiDoDialog(pfn, dlg) \
  dlgproc = (DLGPROC)MakeProcInstance(pfn, wi.hinst); \
  DialogBox(wi.hinst, MAKEINTRESOURCE(dlg), wi.hwnd, dlgproc); \
  FreeProcInstance((FARPROC)dlgproc)

#define SetCheck(id, f) CheckDlgButton(hdlg, id, f)
#define SetRadio(id, idLo, idHi) CheckRadioButton(hdlg, idLo, idHi, id)
#define SetEdit(id, sz) SetDlgItemText(hdlg, id, (LPCSTR)sz)
#define SetEditN(id, n) SetDlgItemInt(hdlg, id, n, fTrue)
#define SetCombo(id, sz) \
  SendDlgItemMessage(hdlg, id, CB_ADDSTRING, 0, (LPARAM)(LPCSTR)sz)
#define ClearCombo(id) SendDlgItemMessage(hdlg, id, CB_RESETCONTENT, 0, 0);
#define GetCheck(id) IsDlgButtonChecked(hdlg, id)
#define GetEdit(id, sz) GetDlgItemText(hdlg, id, sz, cchSzDef)
#define GetEditN(id) GetDlgItemInt(hdlg, id, NULL, fTrue)
#define EnsureN(n, f, sz) if (!(f)) { ErrorEnsure(n, sz); return fTrue; }
#define EnsureR(r, f, sz) EnsureN((int)r, f, sz)

extern LONG API WndProc P((HWND, WORD, WORD, LONG));
extern int NProcessSwitchesW P((int, char **, int, bool, bool, bool));
extern void ResizeWindowToChart P((void));
extern WORD WCmdFromRc P((int));
extern void SetRel P((int));
extern void ProcessState P((void));
extern int NWmCommand P((WORD));
extern void API RedoMenu P((void));
extern bool API FRedraw P((void));

extern void SetEditSz(HWND, int, char *);
extern void SetEditR(HWND, int, real, int);
extern void SetEditMDYT(HWND, int, int, int, int, int, int, int, real);
extern void SetEditSZOA(HWND, int, int, int, int, real, real, real, real);
extern void SetEditColor(HWND, int, KI);
extern real GetEditR(HWND, int);
extern void ErrorEnsure(int, char *);
extern bool FOutputSettings P((void));
extern bool API DlgOpenChart P((void));
extern bool API DlgSaveChart P((void));
extern bool API DlgPrint P((void));
extern bool API DlgAbortProc P((HDC, int));
extern bool API DlgAbort P((HWND, _int, WORD, LONG));
extern bool API DlgCommand P((HWND, _int, WORD, LONG));
extern bool API DlgColor P((HWND, _int, WORD, LONG));
extern bool API DlgInfo P((HWND, _int, WORD, LONG));
extern bool API DlgDefault P((HWND, _int, WORD, LONG));
extern bool API DlgInfoAll P((HWND, _int, WORD, LONG));
extern bool API DlgAspect P((HWND, _int, WORD, LONG));
extern bool API DlgObject P((HWND, _int, WORD, LONG));
extern bool API DlgObject2 P((HWND, _int, WORD, LONG));
extern bool API DlgRestrict P((HWND, _int, WORD, LONG));
extern bool API DlgStar P((HWND, _int, WORD, LONG));
extern bool API DlgSetting P((HWND, _int, WORD, LONG));
extern bool API DlgObscure P((HWND, _int, WORD, LONG));
extern bool API DlgTransit P((HWND, _int, WORD, LONG));
extern bool API DlgProgress P((HWND, _int, WORD, LONG));
extern bool API DlgChart P((HWND, _int, WORD, LONG));
extern bool API DlgGraphics P((HWND, _int, WORD, LONG));
extern bool API DlgAbout P((HWND, _int, WORD, LONG));
#endif /* WIN */

/* extern.h */