typedef struct {
Xgl_usgn32order;/∗ Order of curve ∗/
Xgl_usgn32num_knots;/∗ Number of knots ∗/
float∗knot_vector;/∗ Knot vector ∗/
Xgl_pt_listctrl_pts;/∗ List of control points ∗/
} Xgl_nurbs_curve;

SunOS