dio_longest_default_data_event

	status.i4.v = dio_longest_default_data_event(length.i4.r)

	This routine returns the length of the longest device
	default data event.

	length		length of longest default data event

	This function returns ACNET status values as follows:

	OK			success
	SQL_xxx			error retrieving longest data event length

	This function requires the following include files:

	diolib_h, acnet_errors_h

	Related functions:

	dio_default_data_event_c

	C/C++ usage:

	int	status;
	int	length;

	status = dio_longest_default_data_event(&length);