RtlEnlargedUnsignedDivide

ULONG
RtlEnlargedUnsignedDivide(

IN ULARGE_INTEGER Dividend,
IN ULONG Divisor,
IN OUT PULONG Remainder
);

RtlEnlargedUnsignedDivide is exported to support existing driver binaries and is obsolete.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