gluNurbsCallbackDataEXT - set a user data pointer



C SPECIFICATION

       void gluNurbsCallbackDataEXT( GLUnurbs* nurb,
                                     GLvoid* userData )



PARAMETERS

       nurb      Specifies   the   NURBS   object  (created  with
                 gluNewNurbsRenderer).

       userData  Specifies a pointer to the user's data.


DESCRIPTION

       gluNurbsCallbackDataEXT 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).


SEE ALSO

       gluNurbsCallback



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