public static extern void gluTessCallback_14( IntPtr tess, TessellationCallbackType which, GLU.TessellationCombineDataDelegate callback);
public static extern void gluTessCallback_13( IntPtr tess, TessellationCallbackType which, GLU.TessellationEdgeFlagDataDelegate callback);
public static extern void gluTessCallback_9( IntPtr tess, TessellationCallbackType which, GLU.TessellationVertex3dvDataDelegate callback);
public static extern void gluTessCallback_8( IntPtr tess, TessellationCallbackType which, GLU.TessellationBeginDataDelegate callback);
public static extern void gluTessCallback_5( IntPtr tess, TessellationCallbackType which, GLU.TessellationErrorDelegate callback);
public static extern void gluTessCallback( IntPtr tess, TessellationCallbackType which, IntPtr fn);