prev_name_length.i4.v = dio_set_terse_name_length_c(name_length.i4.v)

	This routine sets the length of a terse device name.

	name_length	desired terse name length
			(If a value of CLIB_DEFAULT_ARG is passed, the
			 terse name length will not be changed.)

	This function returns status values as follows:

	DIO_BADARG		invalid terse name length passed
	otherwise		previous terse name length

	This function requires the following include files:

	diolib_h, acnet_errors_h

	Related functions:

	dio_get_terse_name_length, dio_dev_name(_c), dio_device_index(_c)

	C/C++ usage:

	int	name_length = DEVICE_NAME_LEN;
	int	prev_name_length;

	prev_name_length = dio_set_terse_name_length_c(name_length);