NtQueryWnfStateData - NtDoc

#ifndef _NTEXAPI_H
#if (PHNT_MODE != PHNT_MODE_KERNEL)
#if (PHNT_VERSION >= PHNT_WIN8)

NTSYSCALLAPI
NTSTATUS
NTAPI
NtQueryWnfStateData(
    _In_ PCWNF_STATE_NAME StateName,
    _In_opt_ PCWNF_TYPE_ID TypeId,
    _In_opt_ const VOID* ExplicitScope,
    _Out_ PWNF_CHANGE_STAMP ChangeStamp,
    _Out_writes_bytes_opt_(*BufferSize) PVOID Buffer,
    _Inout_ PULONG BufferSize
    );

#endif
#endif
#endif
View code on GitHub

#ifndef _NTZWAPI_H

NTSYSCALLAPI
NTSTATUS
NTAPI
ZwQueryWnfStateData(
    _In_ PCWNF_STATE_NAME StateName,
    _In_opt_ PCWNF_TYPE_ID TypeId,
    _In_opt_ const VOID* ExplicitScope,
    _Out_ PWNF_CHANGE_STAMP ChangeStamp,
    _Out_writes_bytes_opt_(*BufferSize) PVOID Buffer,
    _Inout_ PULONG BufferSize
    );

#endif
View code on GitHub