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Values for Windows NT NTOS function number

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Value Description

000h

AcceptConnectPort (24 bytes of parameters)

001h

AccessCheck (32 bytes of parameters)

002h

AccessCheckAndAuditAlarm (44 bytes of parameters)

003h

AddAtom (8 bytes of parameters)

004h

AdjustGroupsToken (24 bytes of parameters)

005h

AdjustPrivilegesToken (24 bytes of parameters)

006h

AlertResumeThread (8 bytes of parameters)

007h

AlertThread (4 bytes of parameters)

008h

AllocateLocallyUniqueId (4 bytes of parameters)

009h

AllocateUuids (12 bytes of parameters)

00Ah

AllocateVirtualMemory (24 bytes of parameters)

00Bh

CallbackReturn (12 bytes of parameters)

00Ch

CancelIoFile (8 bytes of parameters)

00Dh

CancelTimer (8 bytes of parameters)

00Eh

ClearEvent (4 bytes of parameters)

00Fh

Close (4 bytes of parameters)

010h

CloseObjectAuditAlarm (12 bytes of parameters)

011h

CompleteConnectPort (4 bytes of parameters)

012h

ConnectPort (32 bytes of parameters)

013h

Continue (8 bytes of parameters)

014h

CreateDirectoryObject (12 bytes of parameters)

015h

CreateEvent (20 bytes of parameters)

016h

CreateEventPair (12 bytes of parameters)

017h

CreateFile (44 bytes of parameters)

018h

CreateIoCompletion (16 bytes of parameters)

019h

CreateKey (28 bytes of parameters)

01Ah

CreateMailslotFile (32 bytes of parameters)

01Bh

CreateMutant (16 bytes of parameters)

01Ch

CreateNamedPipeFile (56 bytes of parameters)

01Dh

CreatePagingFile (16 bytes of parameters)

01Eh

CreatePort (20 bytes of parameters)

01Fh

CreateProcess (32 bytes of parameters)

020h

CreateProfile (36 bytes of parameters)

021h

CreateSection (28 bytes of parameters)

022h

CreateSemaphore (20 bytes of parameters)

023h

CreateSymbolicLinkObject (16 bytes of parameters)

024h

CreateThread (32 bytes of parameters)

025h

CreateTimer (16 bytes of parameters)

026h

CreateToken (52 bytes of parameters)

027h

DelayExecution (8 bytes of parameters)

028h

DeleteAtom (4 bytes of parameters)

029h

DeleteFile (4 bytes of parameters)

02Ah

DeleteKey (4 bytes of parameters)

02Bh

DeleteObjectAuditAlarm (12 bytes of parameters)

02Ch

DeleteValueKey (8 bytes of parameters)

02Dh

DeviceIoControlFile (40 bytes of parameters)

02Eh

DisplayString (4 bytes of parameters)

02Fh

DuplicateObject (28 bytes of parameters)

030h

DuplicateToken (24 bytes of parameters)

031h

EnumerateKey (24 bytes of parameters)

032h

EnumerateValueKey (24 bytes of parameters)

033h

ExtendSection (8 bytes of parameters)

034h

FindAtom (8 bytes of parameters)

035h

FlushBuffersFile (8 bytes of parameters)

036h

FlushInstructionCache (12 bytes of parameters)

037h

FlushKey (4 bytes of parameters)

038h

FlushVirtualMemory (16 bytes of parameters)

039h

FlushWriteBuffer (no parameters)

03Ah

FreeVirtualMemory (16 bytes of parameters)

03Bh

FsControlFile (40 bytes of parameters)

03Ch

GetContextThread (8 bytes of parameters)

03Dh

GetPlugPlayEvent (16 bytes of parameters)

03Eh

GetTickCount (no parameters)

03Fh

ImpersonateClientOfPort (8 bytes of parameters)

040h

ImpersonateThread (12 bytes of parameters)

041h

InitializeRegistry (4 bytes of parameters)

042h

ListenPort (8 bytes of parameters)

043h

LoadDriver (4 bytes of parameters)

044h

LoadKey (8 bytes of parameters)

045h

LoadKey2 (12 bytes of parameters)

046h

LockFile (40 bytes of parameters)

047h

LockVirtualMemory (16 bytes of parameters)

048h

MakeTemporaryObject (4 bytes of parameters)

049h

MapViewOfSection (40 bytes of parameters)

04Ah

NotifyChangeDirectoryFile (36 bytes of parameters)

04Bh

NotifyChangeKey (40 bytes of parameters)

04Ch

OpenDirectoryObject (12 bytes of parameters)

04Dh

OpenEvent (12 bytes of parameters)

04Eh

OpenEventPair (12 bytes of parameters)

04Fh

OpenFile (24 bytes of parameters)

050h

OpenIoCompletion (12 bytes of parameters)

051h

OpenKey (12 bytes of parameters)

052h

OpenMutant (12 bytes of parameters)

053h

OpenObjectAuditAlarm (48 bytes of parameters)

054h

OpenProcess (16 bytes of parameters)

055h

OpenProcessToken (12 bytes of parameters)

056h

OpenSection (12 bytes of parameters)

057h

OpenSemaphore (12 bytes of parameters)

058h

OpenSymbolicLinkObject (12 bytes of parameters)

059h

OpenThread (16 bytes of parameters)

05Ah

OpenThreadToken (16 bytes of parameters)

05Bh

OpenTimer (12 bytes of parameters)

05Ch

PlugPlayControl (16 bytes of parameters)

05Dh

PrivilegeCheck (12 bytes of parameters)

05Eh

PrivilegedServiceAuditAlarm (20 bytes of parameters)

05Fh

PrivilegeObjectAuditAlarm (24 bytes of parameters)

060h

ProtectVirtualMemory (20 bytes of parameters)

061h

PulseEvent (8 bytes of parameters)

062h

QueryInformationAtom (20 bytes of parameters)

063h

QueryAttributesFile (8 bytes of parameters)

064h

QueryDefaultLocale (8 bytes of parameters)

065h

QueryDirectoryFile (44 bytes of parameters)

066h

QueryDirectoryObject (28 bytes of parameters)

067h

QueryEaFile (36 bytes of parameters)

068h

QueryEvent (20 bytes of parameters)

069h

QueryFullAttributesFile (8 bytes of parameters)

06Ah

QueryInformationFile (20 bytes of parameters)

06Bh

QueryIoCompletion (20 bytes of parameters)

06Ch

QueryInformationPort (20 bytes of parameters)

06Dh

QueryInformationProcess (20 bytes of parameters)

06Eh

QueryInformationThread (20 bytes of parameters)

06Fh

QueryInformationToken (20 bytes of parameters)

070h

QueryIntervalProfile (8 bytes of parameters)

071h

QueryKey (20 bytes of parameters)

072h

QueryMultipleValueKey (24 bytes of parameters)

073h

QueryMutant (20 bytes of parameters)

074h

QueryObject (20 bytes of parameters)

075h

QueryOleDirectoryFile (44 bytes of parameters)

076h

QueryPerformanceCounter (8 bytes of parameters)

077h

QuerySection (20 bytes of parameters)

078h

QuerySecurityObject (20 bytes of parameters)

079h

QuerySemaphore (20 bytes of parameters)

07Ah

QuerySymbolicLinkObject (12 bytes of parameters)

07Bh

QuerySystemEnvironmentValue (12 bytes of parameters)

07Ch

QuerySystemInformation (12 bytes of parameters)

07Dh

QuerySystemTime (4 bytes of parameters)

07Eh

QueryTimer (20 bytes of parameters)

07Fh

QueryTimerResolution (12 bytes of parameters)

080h

QueryValueKey (24 bytes of parameters)

081h

QueryVirtualMemory (24 bytes of parameters)

082h

QueryVolumeInformationFile (20 bytes of parameters)

083h

QueueApcThread (20 bytes of parameters)

084h

RaiseException (12 bytes of parameters)

085h

RaiseHardError (24 bytes of parameters)

086h

ReadFile (36 bytes of parameters)

087h

ReadFileScatter (36 bytes of parameters)

088h

ReadRequestData (24 bytes of parameters)

089h

ReadVirtualMemory (20 bytes of parameters)

08Ah

RegisterThreadTerminatePort (4 bytes of parameters)

08Bh

ReleaseMutant (8 bytes of parameters)

08Ch

ReleaseSemaphore (12 bytes of parameters)

08Dh

RemoveIoCompletion (20 bytes of parameters)

08Eh

ReplaceKey (12 bytes of parameters)

08Fh

ReplyPort (8 bytes of parameters)

090h

ReplyWaitReceivePort (16 bytes of parameters)

091h

ReplyWaitReplyPort (8 bytes of parameters)

092h

RequestPort (8 bytes of parameters)

093h

RequestWaitReplyPort (12 bytes of parameters)

094h

ResetEvent (8 bytes of parameters)

095h

RestoreKey (12 bytes of parameters)

096h

ResumeThread (8 bytes of parameters)

097h

SaveKey (8 bytes of parameters)

098h

SetIoCompletion (20 bytes of parameters)

099h

SetContextThread (8 bytes of parameters)

09Ah

SetDefaultHardErrorPort (4 bytes of parameters)

09Bh

SetDefaultLocale (8 bytes of parameters)

09Ch

SetEaFile (16 bytes of parameters)

09Dh

SetEvent (8 bytes of parameters)

09Eh

SetHighEventPair (4 bytes of parameters)

09Fh

SetHighWaitLowEventPair (4 bytes of parameters)

0A0h

??? (??? bytes of parameters)

0A1h

SetInformationFile (20 bytes of parameters)

0A2h

SetInformationKey (16 bytes of parameters)

0A3h

SetInformationObject (16 bytes of parameters)

0A4h

SetInformationProcess (16 bytes of parameters)

0A5h

SetInformationThread (16 bytes of parameters)

0A6h

SetInformationToken (16 bytes of parameters)

0A7h

SetIntervalProfile (8 bytes of parameters)

0A8h

SetLdtEntries (24 bytes of parameters)

0A9h

SetLowEventPair (4 bytes of parameters)

0AAh

SetLowWaitHighEventPair (4 bytes of parameters)

0ABh

??? (??? bytes of parameters)

0ACh

SetSecurityObject (12 bytes of parameters)

0ADh

SetSystemEnvironmentValue (8 bytes of parameters)

0AEh

SetSystemInformation (12 bytes of parameters)

0AFh

SetSystemPowerState (12 bytes of parameters)

0B0h

SetSystemTime (8 bytes of parameters)

0B1h

SetTimer (28 bytes of parameters)

0B2h

SetTimerResolution (12 bytes of parameters)

0B3h

SetValueKey (24 bytes of parameters)

0B4h

SetVolumeInformationFile (20 bytes of parameters)

0B5h

ShutdownSystem (4 bytes of parameters)

0B6h

SignalAndWaitForSingleObject (16 bytes of parameters)

0B7h

StartProfile (4 bytes of parameters)

0B8h

StopProfile (4 bytes of parameters)

0B9h

SuspendThread (8 bytes of parameters)

0BAh

SystemDebugControl (24 bytes of parameters)

0BBh

TerminateProcess (8 bytes of parameters)

0BCh

TerminateThread (8 bytes of parameters)

0BDh

TestAlert (no parameters)

0BEh

UnloadDriver (4 bytes of parameters)

0BFh

UnloadKey (4 bytes of parameters)

0C0h

UnlockFile (20 bytes of parameters)

0C1h

UnlockVirtualMemory (16 bytes of parameters)

0C2h

UnmapViewOfSection (8 bytes of parameters)

0C3h

VdmControl (8 bytes of parameters)

0C4h

WaitForMultipleObjects (20 bytes of parameters)

0C5h

WaitForSingleObject (12 bytes of parameters)

0C6h

WaitHighEventPair (4 bytes of parameters)

0C7h

WaitLowEventPair (4 bytes of parameters)

0C8h

WriteFile (36 bytes of parameters)

0C9h

WriteFileGather (36 bytes of parameters)

0CAh

WriteRequestData (24 bytes of parameters)

0CBh

WriteVirtualMemory (20 bytes of parameters)

0CCh

W32Call (20 bytes of parameters)

0CDh

CreateChannel (8 bytes of parameters)

0CEh

ListenChannel (8 bytes of parameters)

0CFh

OpenChannel (8 bytes of parameters)

0D0h

ReplyWaitSendChannel (12 bytes of parameters)

0D1h

SendWaitReplyChannel (16 bytes of parameters)

0D2h

SetContextChannel (4 bytes of parameters)

0D3h

YieldExecution (no parameters)