BLDR/L/V PupControl PupControl1 ^ ^ AltoBootServ EtherBoot PupEftp ^ PupRoute PupDummyGate PupNameLookup ^ Pup1OpenClose Pup1B PupAl1A ^ PupAlEthB PupAlEthA ^ ^ Interrupt Context AltoQueue AltoTimer Template ^ ^ PupControlInit Pup1Init PupAlEthInit ContextInit InterruptInit