Function PoFxPowerControl 

pub unsafe extern "C" fn PoFxPowerControl(
    Handle: POHANDLE,
    PowerControlCode: LPCGUID,
    InBuffer: PVOID,
    InBufferSize: SIZE_T,
    OutBuffer: PVOID,
    OutBufferSize: SIZE_T,
    BytesReturned: PSIZE_T,
) -> NTSTATUS