C SPECIFICATION

       void GLAPIENTRY gluNurbsCallbackData( GLUnurbs* nurb,
                                             GLvoid* userData )

PARAMETERS

       nurb      Specifies      the     NURBS     object     (created     with
                 gluNewNurbsRenderer).

       userData  Specifies a pointer to the user's data.

DESCRIPTION

       gluNurbsCallbackData is used to pass a  pointer  to  the  application's
       data to NURBS tessellator. A copy of this pointer will be passed by the
       tessellator in the NURBS callback functions (set by  gluNurbsCallback).

NOTES

       gluNurbsCallbackData  is  available  only  if the GLU version is 1.3 or
       greater.

SEE ALSO

       gluNewNurbsRenderer, gluNurbsCallback



                                                      GLUNURBSCALLBACKDATA(3G)