#ifndef EXTERNS_H
#define EXTERNS_H

#if 0
/* #ifndef DEBUG */
#define DEBUG 1
#endif


/* keep var names in column 30 for sorting via sort /+30 <in >out */
extern int                   active_system;
extern int                   adapter;
extern ALTERNATE far         alternatemath[];
extern int                   Ambient;
extern int                   andcolor;
extern struct MP             Ans;
extern int                   Ap1deg;
extern int                   AplusOne;
extern int                   askvideo;
extern float                 aspectdrift;
extern int                   attractors;
extern int                   attrperiod[];
extern _CMPLX                attr[];
extern int                   autobrowse;
extern char                  autoname[];
extern char                  autoshowdot;
extern int                   AutoStereo_depth;
extern double                AutoStereo_width;
extern BYTE                  back_color[];
extern int                   badconfig;
extern int                   bad_code_count;
extern int                   bad_outside;
extern int                   bad_value;
extern long                  bailout;
extern enum bailouts         bailoutest;
extern int                   basehertz;
extern int                   basin;
extern int                   bf_save_len;
extern int                   bfdigits;
extern int                   biomorph;
extern unsigned int          bits;
extern int                   bitshift;
extern int                   bitshiftless1;
extern BYTE                  block[];
extern int                   blue_bright;
extern int                   blue_crop_left;
extern int                   blue_crop_right;
extern int                   boxcolor;
extern int                   boxcount;
extern int                   boxvalues[];
extern int                   boxx[];
extern int                   boxy[];
extern int                   BRIEF;
extern char                  browsemask[MAX_NAME];
extern char                  browsename[];
extern int                   browsing;
extern char                  brwscheckparms;
extern char                  brwschecktype;
extern char                  busy;
extern long                  calctime;
extern int (*                calctype)(void);
extern int                   calc_status;
extern char                  calibrate;
extern int                   checkcurdir;
extern int                   chkd_vvs;
extern long                  cimag;
extern double                closenuff;
extern double                closeprox;
extern _CMPLX                coefficient;
extern int                   col;
extern int                   color;
extern char                  colorfile[];
extern long                  coloriter;
extern int                   colorpreloaded;
extern int                   ColorPS;
extern int                   colors;
extern int                   colorstate;
extern int                   color_bright;
extern int                   color_dark;
extern int                   color_medium;
extern char                  CommandComment[4][MAXCMT];
extern char                  CommandFile[FILE_MAX_PATH];
extern char                  CommandName[ITEMNAMELEN + 1];
extern int                   comparegif;
extern long                  con;
#ifndef XFRACT
extern double                cosx;
#else
extern LDBL                  cosx;
#endif
extern int                   cpu;
extern long                  creal;
extern int                   curcol;
extern int                   curpass;
extern int                   currow;
extern int                   cyclelimit;
extern int                   c_exp;
extern double                d1overd;
extern BYTE                  dacbox[256][3];
extern int                   daccount;
extern int                   daclearn;
extern double                ddelmin;
extern int                   debugflag;
extern int                   decimals;
extern BYTE                  decoderline[];
extern int                   decomp[];
extern int                   degree;
extern long                  delmin;
extern long                  delx2;
extern long                  delx;
extern LDBL                  delxx2;
extern LDBL                  delxx;
extern long                  dely2;
extern long                  dely;
extern LDBL                  delyy2;
extern LDBL                  delyy;
extern float                 depthfp;
extern unsigned long         dif_counter;
extern unsigned long         dif_limit;
extern int                   disk16bit;
extern int                   diskflag;
extern int                   diskisactive;
extern int                   disktarga;
extern int                   diskvideo;
extern int                   display3d;
extern long                  distest;
extern int                   distestwidth;
extern float                 distfp;
extern int                   Distribution;
extern int                   dither_flag;
extern char                  dontreadcolor;
extern int                   dotmode;
extern int                   doublecaution;
extern double                dpx;
extern double                dpy;
extern char                  drawmode;
extern BYTE                  dstack[];
extern U16                   dv_handle;
extern double far *          dx0;
extern double far *          dx1;
extern double (_fastcall *   dxpixel)(void); /* set in FRACTALS.C */
extern double                dxsize;
extern double far *          dy0;
extern double far *          dy1;
extern double (_fastcall *   dypixel)(void); /* set in FRACTALS.C */
extern double                dysize;
extern int                   EPSFileType;
extern int                   escape_exit;
extern BYTE                  exitmode;
extern SEGTYPE               extraseg;
extern int                   evolving;
extern U16                   evolve_handle;
extern int                   eyeseparation;
extern float                 eyesfp;
extern int                   fastrestore;
extern long                  FgHalf;
extern double                fgLimit;
extern long                  FgOne;
extern long                  FgTwo;
extern int                   gridsz;
extern double                fiddlefactor;
extern double                fiddle_reduction;
extern float                 fileaspectratio;
extern int                   filecolors;
extern int                   filetype;
extern int                   filexdots;
extern int                   fileydots;
extern char                  file_name_stack[16][MAX_NAME];
extern int                   fillcolor;
extern float                 finalaspectratio;
extern int                   finattract;
extern int                   finishrow;
extern int                   first_init;
extern char                  floatflag;
extern double                floatmax;
extern double                floatmin;
extern _CMPLX *              floatparm;
extern int                   fm_attack;
extern int                   fm_decay;
extern int                   fm_release;
extern int                   fm_sustain;
extern int                   fm_wavetype;
extern int                   fm_vol; /*volume of OPL-3 soundcard output*/
extern int                   forcesymmetry;
extern char                  FormFileName[];
extern char                  FormName[];
extern int                   fpu;
extern int                   fractype;
extern char *                fract_dir1;
extern char *                fract_dir2;
extern char                  fromtext_flag;
extern long                  fudge;
extern int                   functionpreloaded;
extern double                f_at_rad;
extern double                f_radius;
extern double                f_xcenter;
extern double                f_ycenter;
extern U16                   gene_handle;
extern int                   get_corners(void);
extern int                   gif87a_flag;
extern char                  gifmask[];
extern char                  Glasses1Map[];
extern int                   glassestype;
extern int                   goodmode;
extern int                   gotrealdac;
extern int                   got_status;
extern char                  grayflag;
extern char                  GreyFile[];
extern int                   hasinverse;
extern int                   haze;
extern unsigned int          height;
extern float                 heightfp;
extern int                   helpmode;
extern int                   hi_atten;
extern U16                   history;
extern int                   historyflag;
extern int                   historyptr;
extern char                  IFSFileName[];
extern char                  IFSName[];
extern float far *           ifs_defn;
extern int                   ifs_type;
extern int                   imgboxcount;
extern U16                   imgboxhandle;
extern char                  image_map;
extern int                   init3d[20];
extern _CMPLX                init;
extern int                   initbatch;
extern int                   initcyclelimit;
extern int                   initmode;
extern _CMPLX                initorbit;
extern int                   initsavetime;
extern int                   inside;
extern FCODE                 insufficient_ifs_mem[];
extern int                   integerfractal;
extern double                inversion[];
extern int                   invert;
extern int                   istruecolor;
extern short                 ismand;
extern int                   ixstart;
extern int                   ixstop;
extern int                   iystart;
extern int                   iystop;
extern char *                JIIMleftright[];
extern char *                JIIMmethod[];
extern int                   juli3Dmode;
extern char *                juli3Doptions[];
extern int                   julibrot;
extern int                   kbdcount;
extern int                   keep_scrn_coords;
extern int                   keybuffer;
extern long                  l16triglim;
extern int                   LastInitOp;
extern unsigned              LastOp;
extern int                   lastorbittype;
extern _LCMPLX               lattr[];
extern long                  lclosenuff;
extern _LCMPLX               lcoefficient;
extern int                   ldcheck;
extern char                  LFileName[];
extern char                  light_name[];
extern BYTE *                line_buff;
extern _LCMPLX               linit;
extern _LCMPLX               linitorbit;
extern long                  linitx;
extern long                  linity;
extern long                  llimit2;
extern long                  llimit;
extern long                  lmagnitud;
extern char                  LName[];
extern _LCMPLX               lnew;
extern int                   loaded3d;
extern int                   LodPtr;
extern int                   Log_Auto_Calc;
extern int                   Log_Calc;
extern int                   Log_Fly_Calc;
extern long                  LogFlag;
extern BYTE far *            LogTable;
extern _LCMPLX               lold;
extern _LCMPLX *             longparm;
extern int                   lookatmouse;
extern _LCMPLX               lparm2;
extern _LCMPLX               lparm;
extern int                   LPTNumber;
extern long                  ltempsqrx;
extern long                  ltempsqry;
extern _LCMPLX               ltmp;
extern long far *            lx0;
extern long far *            lx1;
extern long (_fastcall *     lxpixel)(void); /* set in FRACTALS.C */
extern long far *            ly0;
extern long far *            ly1;
extern long (_fastcall *     lypixel)(void); /* set in FRACTALS.C */
extern int                   lzw[2];
extern long                  l_at_rad;
extern MATRIX                m;
extern double                magnitude;
extern enum Major            major_method;
extern BYTE far *            mapdacbox;
extern int                   mapset;
extern char                  MAP_name[];
extern int                   matherr_ct;
extern double                math_tol[2];
extern int                   maxcolor;
extern long                  maxct;
extern char                  maxfn;
extern long                  maxit;
extern int                   maxlinelength;
extern long                  MaxLTSize;
extern unsigned              Max_Args;
extern unsigned              Max_Ops;
extern long                  maxptr;
extern int                   max_colors;
extern int                   max_kbdcount;
extern int                   maxhistory;
extern int                   max_rhombus_depth;
extern int                   minbox;
extern enum Minor            minor_method;
extern int                   minstack;
extern int                   minstackavail;
extern int                   mode7text;
extern MOREPARAMS            moreparams[];
extern struct MP             mpAp1deg;
extern struct MP             mpAplusOne;
extern struct MPC            MPCone;
extern struct MPC *          MPCroots;
extern struct MPC            mpctmpparm;
extern struct MP             mpd1overd;
extern struct MP             mpone;
extern int                   MPOverflow;
extern struct MP             mproverd;
extern struct MP             mpt2;
extern struct MP             mpthreshold;
extern struct MP             mptmpparm2x;
extern double                mxmaxfp;
extern double                mxminfp;
extern double                mymaxfp;
extern double                myminfp;
extern int                   name_stack_ptr;
extern _CMPLX                new;
extern char                  newodpx;
extern char                  newodpy;
extern double                newopx;
extern double                newopy;
extern int                   neworbittype;
extern int                   nextsavedincr;
extern int                   no_sub_images;
extern int                   no_mag_calc;
extern int                   nobof;
extern int                   numaffine;
extern unsigned              numcolors;
extern const int             numtrigfn;
extern int                   num_fractal_types;
extern int                   num_worklist;
extern int                   nxtscreenflag;
extern int                   Offset;
extern int                   oktoprint;
extern _CMPLX                old;
extern long                  oldcoloriter;
extern BYTE                  olddacbox[256][3];
extern U16                   oldhistory_handle;
extern int                   old_demm_colors;
extern char                  old_stdcalcmode;
extern char                  odpx;
extern char                  odpy;
extern double                opx;
extern double                opy;
extern int                   orbitsave;
extern int                   orbit_color;
extern int                   orbit_delay;
extern long                  orbit_interval;
extern int                   orbit_ptr;
extern char                  orgfrmdir[];
extern int                   orgfrmsearch;
extern float                 originfp;
extern int (*                outln) (BYTE *, int);
extern void (*               outln_cleanup) (void);
extern int                   outside;
extern int                   overflow;
extern int                   overlay3d;
extern char                  overwrite;
extern double                ox3rd;
extern double                oxmax;
extern double                oxmin;
extern double                oy3rd;
extern double                oymax;
extern double                oymin;
extern double                param[];
extern double                paramrangex;
extern double                paramrangey;
extern double                parmzoom;
extern _CMPLX                parm2;
extern _CMPLX                parm;
extern int                   passes;
extern int                   patchlevel;
extern int                   periodicitycheck;
extern struct fls far *      pfls;
extern int                   pixelpi;
extern void (_fastcall *     plot)(int,int,int);
extern double                plotmx1;
extern double                plotmx2;
extern double                plotmy1;
extern double                plotmy2;
extern int                   polyphony;
extern unsigned              posp;
extern int                   pot16bit;
extern int                   potflag;
extern double                potparam[];
#ifndef XFRACT
extern U16                   prefix[];
#endif
extern char                  preview;
extern int                   previewfactor;
extern int                   px;
extern int                   py;
extern int                   Printer_BAngle;
extern int                   Printer_BFrequency;
extern int                   Printer_BStyle;
extern int                   Printer_ColorXlat;
extern int                   Printer_Compress;
extern int                   Printer_CRLF;
extern int                   Printer_GAngle;
extern int                   Printer_GFrequency;
extern int                   Printer_GStyle;
extern int                   Printer_RAngle;
extern int                   Printer_Resolution;
extern int                   Printer_RFrequency;
extern int                   Printer_RStyle;
extern int                   Printer_SAngle;
extern int                   Printer_SetScreen;
extern int                   Printer_SFrequency;
extern int                   Printer_SStyle;
extern int                   Printer_Titleblock;
extern int                   Printer_Type;
extern char                  PrintName[];
extern int                   Print_To_File;
extern U16                   prmboxhandle;
extern int                   prmboxcount;
extern int                   pseudox;
extern int                   pseudoy;
extern void (_fastcall *     putcolor)(int,int,int);
extern _CMPLX                pwr;
extern double                qc;
extern double                qci;
extern double                qcj;
extern double                qck;
extern int                   quick_calc;
extern int                   RANDOMIZE;
extern int far *             ranges;
extern int                   rangeslen;
extern int                   RAY;
extern char                  ray_name[];
extern char                  readname[];
extern long                  realcoloriter;
extern int                   reallyega;
extern char                  recordcolors;
extern int                   red_bright;
extern int                   red_crop_left;
extern int                   red_crop_right;
extern int                   release;
extern int                   resave_flag;
extern int                   reset_periodicity;
extern U16                   resume_info;
extern int                   resume_len;
extern int                   resuming;
extern int                   rflag;
extern char                  rlebuf[];
extern int                   rhombus_stack[];
extern int                   root;
extern _CMPLX *              roots;
extern int                   rotate_hi;
extern int                   rotate_lo;
extern double                roverd;
extern int                   row;
extern int                   rowcount;
extern double                rqlim2;
extern double                rqlim;
extern int                   rseed;
extern long                  savebase;
extern _CMPLX                SaveC;
extern int                   savedac;
extern char                  savename[];
extern long                  saveticks;
extern int far *             save_orbit;
extern int                   save_release;
extern int                   save_system;
extern int                   scale_map[];
extern float                 screenaspect;
extern char                  scrnfile[];
extern struct SearchPath     searchfor;
extern int                   set_orbit_corners;
extern char                  showbox;
extern int                   showdot;
extern int                   showfile;
extern int                   show_orbit;
#ifndef XFRACT
extern double                sinx;
#else
extern LDBL                  sinx;
#endif
extern int                   sizedot;
extern short far             sizeofstring[];
extern short                 skipxdots;
extern short                 skipydots;
extern int                   slides;
extern int                   Slope;
extern int                   soundflag;
extern int                   sound_rollover;
extern char                  speed_prompt[];
extern void (_fastcall*      standardplot)(int,int,int);
extern char                  start_showorbit;
extern int                   started_resaves;
extern _CMPLX                staticroots[];
extern char                  stdcalcmode;
extern char                  stereomapname[];
extern int                   StoPtr;
extern int                   stoppass;
extern unsigned int          strlocn[];
extern BYTE                  suffix[];
extern char                  supervga_list;
extern int                   svga_type;
extern double                sx3rd;
extern int                   sxdots;
extern double                sxmax;
extern double                sxmin;
extern int                   sxoffs;
extern double                sy3rd;
extern int                   sydots;
extern double                symax;
extern double                symin;
extern int                   symmetry;
extern int                   syoffs;
extern char                  s_16bit[];
extern char                  s_387[];
extern char                  s_3dmode[];
extern char                  s_3d[];
extern char                  s_abs[];
extern char                  s_adapter[];
extern char                  s_afi[];
extern char                  s_ambient[];
extern char                  s_and[];
extern char                  s_askvideo[];
extern char                  s_acos[];
extern char                  s_acosh[];
extern char                  s_asin[];
extern char                  s_asinh[];
extern char                  s_atan[];
extern char                  s_atanh[];
extern char                  s_attack[];
extern char                  s_atten[];
extern char                  s_autokeyname[];
extern char                  s_autokey[];
extern char                  s_background[];
extern char                  s_bailoutest[];
extern char                  s_bailout[];
extern char                  s_batch[];
extern char                  s_beep[];
extern char                  s_biomorph[];
extern char                  s_biospalette[];
extern char                  s_bof60[];
extern char                  s_bof61[];
extern char                  s_brief[];
extern char                  s_bright[];
extern char                  s_cabs[];
extern char                  s_cantcreate[];
extern char                  s_cantfind[];
extern char                  s_cantunderstand[];
extern char                  s_cantwrite[];
extern char                  s_ceil[];
extern char                  s_centermag[];
extern char                  s_cga[];
extern char                  s_coarse[];
extern char                  s_colorps[];
extern char                  s_colors[];
extern char                  s_comport[];
extern char                  s_conj[];
extern char                  s_converge[];
extern char                  s_corners[];
extern char                  s_cosh[];
extern char                  s_cosxx[];
extern char                  s_cos[];
extern char                  s_cotanh[];
extern char                  s_cotan[];
extern char                  s_crlf[];
extern char                  s_crop[];
extern char                  s_cr[];
extern char                  s_cyclelimit[];
extern char                  s_cyclerange[];
extern char                  s_debugflag[];
extern char                  s_debug[];
extern char                  s_decay[];
extern char                  s_decomp[];
extern char                  s_distest[];
extern char                  s_dither[];
extern char                  s_egamono[];
extern char                  s_ega[];
extern char                  s_epscross[];
extern char                  s_epsf[];
extern char                  s_exitmode[];
extern char                  s_exitnoask[];
extern char                  s_exp[];
extern char                  s_filename[];
extern char                  s_fillcolor[];
extern char                  s_filltype[];
extern char                  s_finattract[];
extern char                  s_flip[];
extern char                  s_float[];
extern char                  s_floor[];
extern char                  s_fmod[];
extern char                  s_fn1[];
extern char                  s_fn2[];
extern char                  s_fn3[];
extern char                  s_fn4[];
extern char                  s_formulafile[];
extern char                  s_formulaname[];
extern char                  s_fpu[];
extern char                  s_fract001prn[];
extern char                  s_fullcolor[];
extern char                  s_function[];
extern char                  s_gif87a[];
extern char                  s_halftone[];
extern char                  s_haze[];
extern char                  s_hertz[];
extern char                  s_hgc[];
extern char                  s_high[];
extern char                  s_ident[];
extern char                  s_ifs3d[];
extern char                  s_ifsfile[];
extern char                  s_ifs[];
extern char                  s_imag[];
extern char                  s_initorbit[];
extern char                  s_inside[];
extern char                  s_interocular[];
extern char                  s_invert[];
extern char                  s_ismand[];
extern char                  s_iterincr[];
extern char                  s_iter[];
extern char                  s_julibrot3d[];
extern char                  s_julibroteyes[];
extern char                  s_julibrotfromto[];
extern char                  s_latitude[];
extern char                  s_lfile[];
extern char                  s_lf[];
extern char                  s_lightname[];
extern char                  s_lightsource[];
extern char                  s_linefeed[];
extern char                  s_lname[];
extern char                  s_logmap[];
extern char                  s_logmode[];
extern char                  s_log[];
extern char                  s_longitude[];
extern char                  s_low[];
extern char                  s_makedoc[];
extern char                  s_makemig[];
extern char                  s_makepar[];
extern char                  s_manh[];
extern char                  s_manr[];
extern char                  s_map[];
extern char                  s_mathtolerance[];
extern char                  s_maxcolorres[];
extern char                  s_maxiter[];
extern char                  s_mcga[];
extern char                  s_mid[];
extern char                  s_miim[];
extern char                  s_mod[];
extern char                  s_mono[];
extern char                  s_mult[];
extern char                  s_nobof[];
extern char                  s_none[];
extern char                  s_noninterlaced[];
extern char                  s_normal[];
extern char                  s_no[];
extern char                  s_numframes[];
extern char                  s_off[];
extern char                  s_olddemmcolors[];
extern char                  s_one[];
extern char                  s_orbitcorners[];
extern char                  s_orbitdelay[];
extern char                  s_orbitdrawmode[];
extern char                  s_orbitinterval[];
extern char                  s_orbitname[];
extern char                  s_orbitsave[];
extern char                  s_orgfrmdir[];
extern char                  s_origin[];
extern char                  s_or[];
extern char                  s_outside[];
extern char                  s_overlay[];
extern char                  s_overwrite[];
extern char                  s_params[];
extern char                  s_parmfile[];
extern char                  s_passes[];
extern char                  s_pause[];
extern char                  s_periodicity[];
extern char                  s_period[];
extern char                  s_perspective[];
extern char                  s_pixelzoom[];
extern char                  s_pixel[];
extern char                  s_pi[];
extern char                  s_play[];
extern char                  s_plotstyle[];
extern char                  s_polyphony[];
extern char                  s_potential[];
extern char far              s_pressanykeytocontinue[];
extern char                  s_preview[];
extern char                  s_printer[];
extern char                  s_printfile[];
extern char                  s_prox[];
extern char                  s_radius[];
extern char                  s_ramvideo[];
extern char                  s_randomize[];
extern char                  s_ranges[];
extern char                  s_ray[];
extern char                  s_real[];
extern char                  s_recip[];
extern char                  s_record[];
extern char                  s_release[];
extern char                  s_reset[];
extern char                  s_rleps[];
extern char                  s_rotation[];
extern char                  s_roughness[];
extern char                  s_round[];
extern char                  s_rseed[];
extern char                  s_savename[];
extern char                  s_savetime[];
extern char                  s_scalemap[];
extern char                  s_scalexyz[];
extern char                  s_screencoords[];
extern char                  s_showbox[];
extern char                  s_showdot[];
extern char                  s_showorbit[];
extern char                  s_sinh[];
extern char                  s_sin[];
extern char                  s_smoothing[];
extern char                  s_sound[];
extern char                  s_sphere[];
extern char                  s_sqr[];
extern char                  s_sqrt[];
extern char                  s_srand[];
extern char                  s_srelease[];
extern char                  s_startrail[];
extern char                  s_stereo[];
extern char                  s_sum[];
extern char                  s_sustain[];
extern char                  s_symmetry[];
extern char                  s_tanh[];
extern char                  s_tan[];
extern char                  s_targa_out[];
extern char                  s_targa_overlay[];
extern char                  s_tdis[];
extern char                  s_tempdir[];
extern char                  s_textcolors[];
extern char                  s_textsafe[];
extern char                  s_title[];
extern char                  s_tplus[];
extern char                  s_translate[];
extern char                  s_transparent[];
extern char                  s_trunc[];
extern char                  s_type[];
extern char                  s_usegrayscale[];
extern char                  s_vesadetect[];
extern char                  s_vga[];
extern char                  s_video[];
extern char                  s_viewwindows[];
extern char                  s_volume[];
extern char                  s_warn[];
extern char                  s_waterline[];
extern char                  s_wavetype[];
extern char                  s_workdir[];
extern char                  s_xaxis[];
extern char                  s_xyadjust[];
extern char                  s_xyaxis[];
extern char                  s_xyshift[];
extern char                  s_x[];
extern char                  s_yaxis[];
extern char                  s_yes[];
extern char                  s_y[];
extern char                  s_zero[];
extern char                  s_zmag[];
extern char                  s_z[];
extern int                   tabmode;
extern int                   taborhelp;
extern int                   Targa_Out;
extern int                   Targa_Overlay;
extern char                  temp1[];
#ifndef XFRACT
extern double                tempsqrx;
extern double                tempsqry;
#else
extern LDBL                  tempsqrx;
extern LDBL                  tempsqry;
#endif
extern BYTE                  teststring[];
extern int                   textaddr;
extern int                   textcbase;
extern int                   textcol;
extern int                   textrbase;
extern int                   textrow;
extern int                   textsafe2;
extern int                   textsafe;
extern int                   text_type;
extern unsigned int          this_gen_rseed;
extern unsigned far *        tga16;
extern long far *            tga32;
extern char                  three_pass;
extern double                threshold;
extern int                   timedsave;
extern int                   timerflag;
extern long                  timer_interval;
extern long                  timer_start;
extern _CMPLX                tmp;
extern char                  tempdir[];
extern double                toosmall;
extern int                   totpasses;
extern long                  total_formula_mem;
extern int                   TPlusErr;
extern int                   transparent[];
extern BYTE                  trigndx[];
extern int                   truecolor;
extern int                   truemode;
extern char                  tstack[];
extern double                twopi;
extern VOIDFARPTR            typespecific_workarea;
extern char                  useinitorbit;
extern BYTE                  used_extra;
extern int                   use_grid;
extern BYTE                  usemag;
extern short                 uses_ismand;
extern short                 uses_p1;
extern short                 uses_p2;
extern short                 uses_p3;
extern short                 uses_p4;
extern short                 uses_p5;
extern int                   use_old_distest;
extern int                   use_old_period;
extern int                   using_jiim;
extern int                   usr_biomorph;
extern long                  usr_distest;
extern char                  usr_floatflag;
extern int                   usr_periodicitycheck;
extern char                  usr_stdcalcmode;
extern int                   vesa_detect;
extern int                   vesa_xres;
extern int                   vesa_yres;
extern struct videoinfo      videoentry;
extern VIDEOINFO             videotable[];
extern int                   video_cutboth;
extern int                   video_scroll;
extern int                   video_startx;
extern int                   video_starty;
extern int                   video_type;
extern int                   video_vram;
extern VIDEOINFO *           vidtbl;
extern int                   vidtbllen;
extern VECTOR                view;
extern int                   viewcrop;
extern float                 viewreduction;
extern int                   viewwindow;
extern int                   viewxdots;
extern int                   viewydots;
extern int                   virtual;
extern unsigned              vsp;
extern int                   vxdots;
extern int                   whichimage;
extern float                 widthfp;
extern char                  workdir[];
extern WORKLIST              worklist[MAXCALCWORK];
extern int                   workpass;
extern int                   worksym;
extern long                  x3rd;
extern int                   xadjust;
extern double                xcjul;
extern int                   xdots;
extern long                  xmax;
extern long                  xmin;
extern int                   xorTARGA;
extern int                   xshift1;
extern int                   xshift;
extern int                   xtrans;
extern double                xx3rd;
extern int                   xxadjust1;
extern int                   xxadjust;
extern double                xxmax;
extern double                xxmin;
extern long                  XXOne;
extern int                   xxstart;
extern int                   xxstop;
extern long                  y3rd;
extern int                   yadjust;
extern double                ycjul;
extern int                   ydots;
extern long                  ymax;
extern long                  ymin;
extern int                   yshift1;
extern int                   yshift;
extern int                   ytrans;
extern double                yy3rd;
extern int                   yyadjust1;
extern int                   yyadjust;
extern int                   yyadjust;
extern double                yymax;
extern double                yymin;
extern int                   yystart;
extern int                   yystop;
extern double                zbx;
extern double                zby;
extern double                zdepth;
extern int                   zdots;
extern int                   zoomoff;
extern int                   zrotate;
extern int                   zscroll;
extern double                zskew;
extern double                zwidth;

#ifdef XFRACT
extern  int                  fake_lut;
#endif

#endif
