dio_oldest_setting_log_entry_date_c

	status.i4.v = dio_oldest_setting_log_entry_c(oldest_date.u4.r
						     [,device_index.i4.v]
						     [,latest_date.u4.r])

	This routine returns the date of the oldest device setting log
	entry date which is available.

	oldest_date	returned oldest setting log entry date in clinks
	[device_index]	device index of interest
			(default is 0 which results in returning the
			 oldest date in setting log for any device)
	[latest_date]	returned latest setting log entry date in clinks
			(default is NULL)

	This function returns ACNET status values as follows:

	OK			success
	DIO_NO_SUCH		no matching setting record found
	SQL_xxx			error retrieving oldest setting record date

	This function requires the following include files:

	diolib_h, acnet_errors_h

	Related functions:

	none

	C/C++ usage:

	int	status;
	int	device_index = 0;
	unsigned int	oldest_date;
	unsigned int	latest_date;

	status = dio_oldest_setting_log_entry_date_c(&oldest_date,device_index,
						     &latest_date);