status.i4.v = save_set_compare_devices_c(set_name.i1a.r,

	This routine compares current device values to those from a save set.

	set_name	set name
			(up to SAVE_SET_NAME_LEN characters)
	num_devices	number of device value entries
	devices		device value entries
			(array of ARRAY_DEVICE_DATA_EXT structures)
	compare_status	returned compare status values
			(OK -> successful compare,
			 CLIB_NO_SUCH -> device is not in save set,
			 CLIB_MISMATCH -> compare failed,
			 otherwise -> error reading data)
	differences	returned compare differences

	This function returns ACNET status values as follows:

	OK			devices successfully compared
	CLIB_NO_SUCH		save set does not exist
	DPM_xxx			error reading current device values
	SQL_xxx			error reading saved device values
	otherwise		number of compare failures

	This function requires the following include files:

	cnsparam_h, cbslib_h, acnet_errors_h

	Related functions:

	save_set_compare_all_devices, save_set_save_devices_c,
	save_set_restore_devices_c, save_set_restore_all_devices_c,
	save_set_name_exists, save_set_get_device_spec_list,
	save_set_contains_device_specs_c, save_set_get_device_values_c,
	save_set_get_all_device_values, save_set_get_compare_info_c,
	save_set_delete, save_set_get_set_info

	C/C++ usage:

	static const char	set_name[SAVE_SET_NAME_LEN+1] = "MySaveSet";
	short	compare_status[NUM_DEVICES];
	int	status;
	int	num_devices = NUM_DEVICES;
	double	differences[NUM_DEVICES];

	status = save_set_compare_devices_c(set_name,num_devices,devices,