66 GLUnurbsObj *theNurb;  variable
175    theNurb = gluNewNurbsRenderer();  in init()
176    gluNurbsProperty(theNurb, GLU_NURBS_MODE,   in init()
178    gluNurbsProperty(theNurb, GLU_SAMPLING_TOLERANCE, 25.0);  in init()
179    gluNurbsProperty(theNurb, GLU_DISPLAY_MODE, GLU_FILL);  in init()
180    gluNurbsCallback(theNurb, GLU_ERROR, nurbsError);  in init()
181    gluNurbsCallback(theNurb, GLU_NURBS_BEGIN, beginCallback);  in init()
182    gluNurbsCallback(theNurb, GLU_NURBS_VERTEX, vertexCallback);  in init()
183    gluNurbsCallback(theNurb, GLU_NURBS_NORMAL, normalCallback);  in init()
184    gluNurbsCallback(theNurb, GLU_NURBS_END, endCallback);  in init()
199    gluBeginSurface(theNurb);  in display()
200    gluNurbsSurface(theNurb,   in display()
204    gluEndSurface(theNurb);  in display()