#ifndef xpcDrawing_h #define xpcDrawing_h #include typedef struct { double lattitude; double longitude; double altitude; } Waypoint; void XPCClearMessage(); void XPCSetMessage(int x, int y, char* msg); void XPCClearWaypoints(); void XPCAddWaypoints(Waypoint points[], size_t numPoints); void XPCRemoveWaypoints(Waypoint points[], size_t numPoints); #endif