451    void (*move)(struct arc_cb *cb, VGfloat x, VGfloat y);
452    void (*point)(struct arc_cb *cb, VGfloat x, VGfloat y);
453    void (*bezier)(struct arc_cb *cb, struct bezier *bezier);
458 static void cb_null_move(struct arc_cb *cb, VGfloat x, VGfloat y)  in cb_null_move()  argument
462 static void polygon_point(struct arc_cb *cb, VGfloat x, VGfloat y)  in polygon_point()  argument
464    struct polygon *poly = (struct polygon*)cb->user_data;  in polygon_point()
468 static void polygon_bezier(struct arc_cb *cb, struct bezier *bezier)  in polygon_bezier()  argument
470    struct polygon *poly = (struct polygon*)cb->user_data;  in polygon_bezier()
474 static void stroke_point(struct arc_cb *cb, VGfloat x, VGfloat y)  in stroke_point()  argument
476    struct stroker *stroker = (struct stroker*)cb->user_data;  in stroke_point()
480 static void stroke_curve(struct arc_cb *cb, struct bezier *bezier)  in stroke_curve()  argument
482    struct stroker *stroker = (struct stroker*)cb->user_data;  in stroke_curve()
489 static void stroke_emit_point(struct arc_cb *cb, VGfloat x, VGfloat y)  in stroke_emit_point()  argument
491    struct stroker *stroker = (struct stroker*)cb->user_data;  in stroke_emit_point()
495 static void stroke_emit_curve(struct arc_cb *cb, struct bezier *bezier)  in stroke_emit_curve()  argument
497    struct stroker *stroker = (struct stroker*)cb->user_data;  in stroke_emit_curve()
504 static void arc_path_move(struct arc_cb *cb, VGfloat x, VGfloat y)  in arc_path_move()  argument
506    struct path *path = (struct path*)cb->user_data;  in arc_path_move()
510 static void arc_path_point(struct arc_cb *cb, VGfloat x, VGfloat y)  in arc_path_point()  argument
512    struct path *path = (struct path*)cb->user_data;  in arc_path_point()
516 static void arc_path_bezier(struct arc_cb *cb, struct bezier *bezier)  in arc_path_bezier()  argument
518    struct path *path = (struct path*)cb->user_data;  in arc_path_bezier()
554                            struct arc_cb cb,  in arc_to_beziers()  argument
568       cb.move(&cb, x, y);  in arc_to_beziers()
575       cb.point(&cb, x, y);  in arc_to_beziers()
603       cb.point(&cb, x, y);  in arc_to_beziers()
648       cb.bezier(&cb, &bezier);  in arc_to_beziers()
659    struct arc_cb cb;  in arc_add_to_polygon()  local
661    cb.move = cb_null_move;  in arc_add_to_polygon()
662    cb.point = polygon_point;  in arc_add_to_polygon()
663    cb.bezier = polygon_bezier;  in arc_add_to_polygon()
664    cb.user_data = poly;  in arc_add_to_polygon()
666    arc_to_beziers(arc, cb, matrix);  in arc_add_to_polygon()
673    struct arc_cb cb;  in arc_stroke_cb()  local
675    cb.move = cb_null_move;  in arc_stroke_cb()
676    cb.point = stroke_point;  in arc_stroke_cb()
677    cb.bezier = stroke_curve;  in arc_stroke_cb()
678    cb.user_data = stroke;  in arc_stroke_cb()
680    arc_to_beziers(arc, cb, matrix);  in arc_stroke_cb()
687    struct arc_cb cb;  in arc_stroker_emit()  local
689    cb.move = cb_null_move;  in arc_stroker_emit()
690    cb.point = stroke_emit_point;  in arc_stroker_emit()
691    cb.bezier = stroke_emit_curve;  in arc_stroker_emit()
692    cb.user_data = stroker;  in arc_stroker_emit()
694    arc_to_beziers(arc, cb, matrix);  in arc_stroker_emit()
701    struct arc_cb cb;  in arc_to_path()  local
703    cb.move = arc_path_move;  in arc_to_path()
704    cb.point = arc_path_point;  in arc_to_path()
705    cb.bezier = arc_path_bezier;  in arc_to_path()
706    cb.user_data = path;  in arc_to_path()
708    arc_to_beziers(arc, cb, matrix);  in arc_to_path()