wn_data_query

	status.i4.v = wn_data_query([num_points.i4.r] [,num_active.i4.r]
				    [,num_range.i4.r])

	This routine returns the number of points saved, active, and
	outside the active graphic window.

	[num_points]	number of points which have been saved
	[num_active]	number of points which are active
	[num_range]	number of points which are outside the window

	This function returns ACNET status values as follows:

	OK			success
	CBS_NOSETUP		an active window has not been established

	This function requires the following include files:

	cbslib_h, acnet_errors_h

	Related functions:

	wn_data_save(_c), wn_data_set_cut_c, wn_data_mean, wn_data_extrema,
	wn_data_recall, wn_data_polyfit_c, wn_data_fft_c, intro_graphics_windows

	C/C++ usage:

	int	status;
	int	num_points;
	int	num_active;
	int	num_range;

	status = wn_data_query(&num_points,&num_active,&num_range);