#ifndef _NTLPCAPI_H

NTSYSCALLAPI
NTSTATUS
NTAPI
NtReadRequestData(
    _In_ HANDLE PortHandle,
    _In_ PPORT_MESSAGE Message,
    _In_ ULONG DataEntryIndex,
    _Out_writes_bytes_to_(BufferSize, *NumberOfBytesRead) PVOID Buffer,
    _In_ SIZE_T BufferSize,
    _Out_opt_ PSIZE_T NumberOfBytesRead
    );

#endif
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#ifndef _NTZWAPI_H

NTSYSCALLAPI
NTSTATUS
NTAPI
ZwReadRequestData(
    _In_ HANDLE PortHandle,
    _In_ PPORT_MESSAGE Message,
    _In_ ULONG DataEntryIndex,
    _Out_writes_bytes_to_(BufferSize, *NumberOfBytesRead) PVOID Buffer,
    _In_ SIZE_T BufferSize,
    _Out_opt_ PSIZE_T NumberOfBytesRead
    );

#endif
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