#ifndef _NTRTL_H
NTSYSAPI
ULONG
NTAPI
RtlNumberOfSetBitsUlongPtr(
_In_ ULONG_PTR Target
);
View code on GitHub// wdm.h
NTSYSAPI ULONG RtlNumberOfSetBitsUlongPtr(
[in] ULONG_PTR Target
);
View the official Windows Driver Kit DDI referenceThis function is documented in Windows Driver Kit.
The RtlNumberOfSetBitsUlongPtr routine returns the number of bits in the specified ULONG_PTR integer value that are set to one.
Target [in]A ULONG_PTR integer value.
RtlNumberOfSetBitsUlongPtr returns a count of the bits in the Target parameter that are set to one.