ROUTINE
-------

void ug_case_name (char Case_Name[])

DESCRIPTION
-----------

Set or get case name. On the first call to ug_case_name the value of case name
is an input argument. On all subsequent calls to ug_case_name the case name is
an output argument set to the value saved from the first call.

INPUT ARGUMENTS
---------------

Case_Name                : Case name to set. Case_Name is an input argument
                           only on the first call. If Case_Name is equal to NULL
			   or set to a blank string the the case name that is
			   saved is set to "DEBUG".

OUTPUT ARGUMENTS
---------------

Case_Name                : Case name from previously set value. Case_Name is
                           an output argument on all calls past the first one.
