Global(void) PointOptProc(Int2 index);
Global(Boolean) PointOptProc_Status(Int2 index);

Global(void) ReadMarkers(Int2 num);
Global(void) FreeMarkers(void);

Global(void) ReadMarkerMap(void);

Global(Boolean) PtNearSpecial(PoinT pt, PoinT sppt);

Global(Boolean) IsMarker(Int2 pointtype);

Global(void) DrawSpecialPoint(Int2 x, Int2 y, Int2 pointtype, Color bg, Boolean labelyes);
Global(void) SpecialPointPrev(Int2 idX, Int2 idY,
			      FloatHi fdX, FloatHi fdY,
			      FloatHi deltaX, FloatHi deltaY);

Global(void) ExportMarkers(DataLibPtr dgm, FILE PNTR out);
Global(void) ImportMarkers(DataLibPtr dgm, FILE PNTR in);

Global(Boolean) GetSPAttr(Int2 type, CharPtr PNTR Label, ColorPtr Color);