PK_render_bcurve_t    


typedef int PK_render_bcurve_t;


This field can take any one of the following values.
    PK_render_bcurve_polyline_c : output bcurves as polylines (default)
    PK_render_bcurve_bezier_c   : output bcurves in Bezier form
    PK_render_bcurve_nurbs_c    : output bcurves in NURBS form