1 #include "hp2xx.h" 2 #include "bresnham.h" 3 4 void plot_PicBuf(PicBuf *pb, DevPt *pt, PEN_C color_index); 5 void polygon_PicBuf(DevPt, DevPt, DevPt, DevPt, PEN_C, PicBuf *); 6 7