Some values for tmp-return are:
 
    1 = not found. 
    2 = busy. 
    3 = invalid request. 
    6 = duplicate termid. 
    9 = tctid invalid. 
   10 = duplicate netname. 
   11 = netname invalid. 
   12 = duplicate plu alias. 
   13 = plu alias invalid. 
   20 = out of service. 
   21 = not acquired. 
   22 = invalid type.