status.i4.v = param_page_subpage_menu_titles(page_name.i1a.r,

	This routine returns a list of parameter page subtitles.

	page_name	null terminated ASCII page name
			(format is pppp_11_2x_3333 where pppp is the index
			 page name (2-4 characters), 11 is the first level
			 sugpage name, 2x is the second level subpage name,
			 and 3333 is the third level subpage name)
			(Note: The first level name is ignored.)
	num_subpages	returned number of subpages
	title_length	returned subpage title length
	subpage_titles	returned null terminated subpage title text
			 ("title_length" + 1 characters per entry)
			 (memory for these strings is allocated by
			  this routine and should be freed by the caller)

	This function returns ACNET status values as follows:

	OK			success
	CLIB_INVARG		invalid page name or subpage string
	CLIB_INVTYP		not a parameter page file
	SQL_xxx			error reading database information

	This function requires the following include files:

	cbslib_h, acnet_errors_h

	Related functions:

	param_page_config_info, param_page_info, param_page_subpage_text,
	param_page_indices_to_text_c, param_page_build_text,

	C/C++ usage:

	static const char	page_name[] = "F73_A1_act_018_AEFV";
	char	*subpage_titles;
	int	status;
	int	num_subpages;
	int	title_length;

	status = param_page_subpage_menu_titles(page_name,&num_subpages,