NtQueryLicenseValue - NtDoc

#ifndef _NTEXAPI_H
#if (PHNT_MODE != PHNT_MODE_KERNEL)

// Licensing

NTSYSCALLAPI
NTSTATUS
NTAPI
NtQueryLicenseValue(
    _In_ PUNICODE_STRING ValueName,
    _Out_opt_ PULONG Type,
    _Out_writes_bytes_to_opt_(DataSize, *ResultDataSize) PVOID Data,
    _In_ ULONG DataSize,
    _Out_ PULONG ResultDataSize
    );

#endif
#endif
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#ifndef _NTZWAPI_H

NTSYSCALLAPI
NTSTATUS
NTAPI
ZwQueryLicenseValue(
    _In_ PUNICODE_STRING ValueName,
    _Out_opt_ PULONG Type,
    _Out_writes_bytes_to_opt_(DataSize, *ResultDataSize) PVOID Data,
    _In_ ULONG DataSize,
    _Out_ PULONG ResultDataSize
    );

#endif
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