{"GRAPH-INIT" ,S,xinitgraph}, {"GRAPH-MOVETO" ,S,xmoveto}, {"GRAPH-LINETO" ,S,xlineto}, {"GRAPH-CIRCLE" ,S,xcircle}, {"GRAPH-CLOSE" ,S,xclosegraph}, {"GRAPH-CLEAR" ,S,xcleardevice}, {"GRAPH-GETPIXEL" ,S,xgetpixel}, {"GRAPH-PUTPIXEL" ,S,xputpixel},
extern LVAL xinitgraph(); extern LVAL xmoveto(),xlineto(),xcircle(); extern LVAL xclosegraph(); extern LVAL xcleardevice(); extern LVAL xgetpixel(), xputpixel(); extern LVAL xsystem(),xgetkey();