DevHlp_SetIRQ                   DevHlp32_SetIRQ                 KernSetIRQ
DevHlp_UnSetIRQ                 DevHlp32_UnSetIRQ               KernUnSetIRQ
DevHlp_EOI                      DevHlp32_EOI                    KernEOI **

DevHlp_SetTimer                 -                               -
DevHlp_TickCount                -                               -

DevHlp_ProcBlock                DevHlp32_ProcBlock              KernBlock
DevHlp_ProcRun                  DevHlp32_ProcRun                KernWakeup

DevHlp_AllocateCtxHook          -                               KernAllocateContextHook
DevHlp_ArmCtxHook               -                               KernArmHook
DevHlp_FreeCtxHook              -                               -

DevHlp_OpenEventSem             DevHlp32_OpenEventSem           KernOpenEventSem
DevHlp_CloseEventSem            DevHlp32_CloseEventSem          KernCloseEventSem
DevHlp_PostEventSem             DevHlp32_PostEventSem           KernPostEventSem

DevHlp_QueueInit                -                               -
DevHlp_QueueWrite               -                               -
DevHlp_QueueRead                -                               -
DevHlp_QueueFlush               -                               -

DevHlp_AllocGDTSelector         DevHlp32_AllocGDTSelector       -
DevHlp_FreeGDTSelector          DevHlp32_FreeGDTSelector        -
DevHlp_AllocPhys                -                               -
DevHlp_FreePhys                 -                               -
DevHlp_PhysToGDTSel             -                               -
DevHlp_VirtToPhys               -                               -
DevHlp_PhysToVirt               -                               -
-                               -                               KernSelToFlat
DevHlp_LinToGDTSelector         -                               -
DevHlp_LinToPageList            DevHlp32_LinToPageList          KernLinToPageList
DevHlp_PageListToLin            DevHlp32_PageListToLin          -
DevHlp_PhysToUsableVirt         -                               -
DevHlp_VirtToLin                DevHlp32_VirtToLin              -
DevHlp_VerifyAccess             DevHlp32_VerifyAccess           -
DevHlp_Lock                     -                               -
DevHlp_Unlock                   -                               -

DevHlp_VMAlloc                  DevHlp32_VMAlloc                KernVMAlloc
DevHlp_VMFree                   DevHlp32_VMFree                 KernVMFree
DevHlp_VMSetMem                 -                               KernVMSetMem
DevHlp_VMLock                   DevHlp32_VMLock                 KernVMLock
DevHlp_VMUnlock                 DevHlp32_VMUnlock               KernVMUnlock
DevHlp_VMProcessToGlobal        -                               KernVMProcessToGlobal
DevHlp_VMGlobalToProcess        -                               KernVMGlobalToProcess
-                               -                               KernCopyIn
-                               -                               KernCopyOut
-                               -                               KernCopyInVirt **
-                               -                               KernAllocHeap **
-                               -                               KernFreeHeap **

DevHlp_AttachDD                 DevHlp32_AttachDD               KernAttachDD **
-                               -                               KernThunkStackTo16
-                               -                               KernThunkStackTo32
-                               -                               KernSerialize16BitDD
-                               -                               KernUnserialize16BitDD

DevHlp_Yield                    DevHlp32_Yield                  KernYield
-                               -                               KernAllocSpinLock
-                               -                               KernFreeSpinLock
-                               -                               KernAcquireSpinLock
-                               -                               KernReleaseSpinLock
-                               -                               KernAllocMutexLock
-                               -                               KernFreeMutexLock
-                               -                               KernRequestSharedMutex
-                               -                               KernReleaseSharedMutex
-                               -                               KernTryRequestSharedMutex
-                               -                               KernRequestExclusiveMutex
-                               -                               KernReleaseExclusiveMutex
-                               -                               KernTryRequestExclusiveMutex

DevHlp_Security                 -                               -
DevHlp_GetDosVar                DevHlp32_GetDosVar /            -
                                DevHlp32_GetInfoSegs

DevHelp_SysTrace /
DevHelp_PerfSysTrace            -                               -
DevHlp_InternalError            DevHlp32_InternalError          -
-                               -                               KernPrintf /
                                                                KernPrintfScr **

DevHlp_RegisterStackUsage       -                               -
DevHlp_SaveMessage              DevHlp32_SaveMessage            -
DevHlp_OpenFile                 -                               KernOpen
DevHlp_CloseFile                -                               KernClose
DevHlp_ReadFile                 -                               KernRead
DevHlp_ReadFileAt               -                               -
DevHlp_QSysState                -                               -
-                               -                               KernCreateUconvObject
-                               -                               KernStrFromUcs
-                               -                               KernStrToUcs


** -   OS/4