Function IoCreateFile 

pub unsafe extern "C" fn IoCreateFile(
    FileHandle: PHANDLE,
    DesiredAccess: ACCESS_MASK,
    ObjectAttributes: POBJECT_ATTRIBUTES,
    IoStatusBlock: PIO_STATUS_BLOCK,
    AllocationSize: PLARGE_INTEGER,
    FileAttributes: ULONG,
    ShareAccess: ULONG,
    Disposition: ULONG,
    CreateOptions: ULONG,
    EaBuffer: PVOID,
    EaLength: ULONG,
    CreateFileType: CREATE_FILE_TYPE,
    InternalParameters: PVOID,
    Options: ULONG,
) -> NTSTATUS