RtlLargeIntegerArithmeticShift

LARGE_INTEGER
RtlLargeIntegerArithmeticShift(
IN LARGE_INTEGER LargeInteger,
IN CCHAR ShiftCount
);

RtlLargeIntegerArithmeticShift is exported to support existing driver binaries and is obsolete. For better performance, use the compiler support for 64-bit integer operations.