num_help_regions.i4.v = window_has_help_c(window_id.i2.v)

	This routine will return the number of help regions presently defined
	for a given window.

	window_id	window ID (use WMNGR_BACKGROUND for background window)

	This function returns status values as follows:

	CBS_NO_SUCH		window is not registered with help manager
	otherwise		number of help regions defined for this window

	This function requires the following include files:

	cbslib_h, acnet_errors_h

	Related functions:

	help_callback_init_c, help_callback_term_c, help_window_delete_c,

	C/C++ usage:

	short	window_id = WMNGR_BACKGROUND;
	int	num_help_regions;

	num_help_regions = window_has_help_c(window_id);