#ifndef _NTREGAPI_H
NTSYSCALLAPI
NTSTATUS
NTAPI
NtFlushKey(
_In_ HANDLE KeyHandle
);
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#ifndef _NTZWAPI_H
NTSYSCALLAPI
NTSTATUS
NTAPI
ZwFlushKey(
_In_ HANDLE KeyHandle
);
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This function is documented in Windows Driver Kit.
See ZwFlushKey
in NT DDK or 2000 DDK for detailed description.