dio_delete_all_emc_info

	status.i4.v = dio_delete_all_emc_info(device_index.i4.r)

	This routine removes all data from the program cache of database
	EMC to device index information.

	device_index	device index to delete cached EMC information for
			(If a value of NULL or a device index of 0 is passed,
			 cached information for all devices will be deleted.
			 If a device index greater than 0 is passed and the
			 corresponding device index is not found in the EMC
			 cache, all cached error entries will be deleted.)

	This function returns status values as follows:

	number of entries deleted

	This function requires the following include files:

	diolib_h

	Related functions:

	dio_emc_to_device_index, dio_delete_cache

	C/C++ usage:

	int	status;
	int	device_index = 0;

	status = dio_delete_all_emc_info(&device_index);