libXbgi functions and macros
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void arc (int x, int y, int stangle, int endangle, int radius);

void bar3d (int left, int top, int right, int bottom, int depth, int topflag);

void bar (int left, int top, int right, int bottom);

int BLUE_VALUE(int color) (macro)

void circle (int x, int y, int radius);

void cleardevice (void);

void clearviewport (void);

void closegraph (void);

int COLOR(int r, int g, int b);

unsigned long converttorgb (int color);

void delay (int millisec);

void detectgraph (int *graphdriver, int *graphmode);

void drawpoly (int numpoints, int *polypoints);

void ellipse (int x, int y, int stangle, int endangle, int xradius, int yradius);

void fillellipse (int x, int y, int xradius, int yradius);

void fillpoly (int numpoints, int *polypoints);

void floodfill (int x, int y, int border);

void getarccoords (struct arccoordstype *arccoords);

void getaspectratio (int *xasp, int *yasp);

int getbkcolor (void);

int getch (void);

int getcolor (void);

struct palettetype* getdefaultpalette (void);

char* getdrivername (void);

int getevent (void);

void getfillpattern (char *pattern); 

void getfillsettings (struct fillsettingstype *fillinfo);

int getgraphmode (void);

void getimage (int left, int top, int right, int bottom, void *bitmap);

void getlinesettings (struct linesettingstype *lineinfo);

int getmaxcolor (void);

int getmaxheight (void);

int getmaxmode (void); 

int getmaxwidth (void);

int getmaxx (void);

int getmaxy (void);

char* getmodename (int mode_number);

void getmoderange (int graphdriver, int *lomode, int *himode);

void getmouseclick (int kind, int *x, int *y);

int getpalettesize (void); 

void getpalette (struct palettetype *palette);

int getpixel (int x, int y);

void gettextsettings (struct textsettingstype *texttypeinfo);

void getviewsettings (struct viewporttype *viewport);

int getx (void);

int gety (void);

void graphdefaults (void);

char* grapherrormsg (int errorcode);

int graphresult(void);

int GREEN_VALUE(int color) (macro)

unsigned imagesize (int left, int top, int right, int bottom);

void initgraph (int *graphdriver, int *graphmode, char *pathtodriver);

int initwindow (int width, int height);

int installuserdriver (char *name, int huge (*detect)(void)); 

int installuserfont (char *name); 

int IS_BGI_COLOR(int color);

int ismouseclick (int kind);

int IS_RGB_COLOR(int color);

int kbhit (void);

void line (int x1, int y1, int x2, int y2);

void linerel (int dx, int dy);

void lineto (int x, int y);

int mouseclick(void);

int mousex (void);

int mousey (void);

void moverel (int dx, int dy);

void moveto (int x, int y);

void outtext (char *textstring);

void outtextxy (int x, int y, char *textstring);

void pieslice (int x, int y, int stangle, int endangle, int radius);

void putimage (int left, int top, void *bitmap, int op);

void _putpixel (int x, int y);

void putpixel (int x, int y, int color); 

int random (int range) (macro)

void rectangle (int left, int top, int right, int bottom);

int RED_VALUE(int color) (macro)

int registerbgidriver (void (*driver)(void)); 

int registerbgifont (void (*font)(void)); 

void restorecrtmode (void); 

void sector (int x, int y, int stangle, int endangle, int xradius, int yradius);

void setactivepage (int page);

void setallpalette (struct palettetype *palette); 

void setaspectratio (int xasp, int yasp);

void setbkcolor (int color);

void setbkrgbcolor (int color);

void setcolor (int color);

void setfillpattern (char *upattern, int color); 

void setfillstyle (int pattern, int color); 

unsigned setgraphbufsize (unsigned bufsize); 

void setgraphmode (int mode); 

void setlinestyle (int linestyle, unsigned upattern, int thickness);

void setpalette (int colornum, int color); 

void setrgbcolor (int color); 

void setrgbpalette (int colornum, int red, int green, int blue); 

void settextjustify (int horiz, int vert);

void settextstyle (int font, int direction, int charsize);

void setusercharsize (int multx, int divx, int multy, int divy);

void setviewport (int left, int top, int right, int bottom, int clip);

void setvisualpage (int page);

void setwritemode (int mode);

int textheight (char *textstring);

int textwidth (char *textstring);

int xkbhit (void);