gluNurbsCallbackDataEXT(3G)

NAME
     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