#ifndef _VM_HEADERBLOCK #define _VM_HEADERBLOCK #ifndef I_AM_VM_INTERFACE class poolarea; class poolvpage; class poolvnode; class pageManager; class swapFileManager; class cacheManager; class vnodeManager; #endif struct vmHeaderBlock { poolarea *areaPool; poolvpage *vpagePool; poolvnode *vnodePool; pageManager *pageMan; swapFileManager *swapMan; cacheManager *cacheMan; vnodeManager *vnodeMan; }; #endif