1GLUNURBSCALLBACKDATA(3G)                              GLUNURBSCALLBACKDATA(3G)
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NAME

6       gluNurbsCallbackData - set a user data pointer
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C SPECIFICATION

10       void gluNurbsCallbackData( GLUnurbs* nurb,
11                                  GLvoid* userData )
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PARAMETERS

15       nurb      Specifies      the     NURBS     object     (created     with
16                 gluNewNurbsRenderer).
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18       userData  Specifies a pointer to the user's data.
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DESCRIPTION

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

26       gluNurbsCallbackData is available only if the GLU  version  is  1.3  or
27       greater.
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SEE ALSO

30       gluNewNurbsRenderer(3G), gluNurbsCallback(3G)
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34                                                      GLUNURBSCALLBACKDATA(3G)