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The RtlNumberOfSetBitsUlongPtr routine returns the number of bits in the specified ULONG_PTR integer value that are set to one.
Syntax
NTSYSAPI ULONG RtlNumberOfSetBitsUlongPtr(
[in] ULONG_PTR Target
);
Parameters
[in] Target
A ULONG_PTR integer value.
Return value
RtlNumberOfSetBitsUlongPtr returns a count of the bits in the Target parameter that are set to one.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Available starting with Windows Vista. |
| Target Platform | Universal |
| Header | wdm.h (include Wdm.h, Ntddk.h, Ntifs.h) |
| Library | NtosKrnl.lib |
| DLL | NtosKrnl.exe |
| IRQL | Any IRQL |