- u -

• u : SPApar_pos
• u_deriv : plane
• u_param_scale : cone
• unpage_bytes : page_statistics
• unpage_count : page_statistics
• user_data : HISTORY_STREAM , DELTA_STATE
• userdata : curve_surf_int , curve_curve_int
• uv : curve_curve_int
• uv_oridir : sphere , torus
• uv_set : curve_curve_int