header for RtlGetVersion, RtlVerifyVersionInfo, and RtlGetNtVersionNumbers in user mode

rtlversion.h

// Compiles with -lntdll
#pragma once
#ifndef __RTL_VERSION_H__
#define __RTL_VERSION_H__

#define WIN32_LEAN_AND_MEAN             // Exclude rarely-used stuff from Windows headers
#include <windows.h>

#ifdef _MSC_VER
// not tested yet
#pragma comment(lib, "ntdll")
#endif // _MSC_VER

#ifdef  __cplusplus
extern "C" {
#endif // __cplusplus

typedef _Success_(return >= 0) LONG NTSTATUS;
typedef NTSTATUS *PNTSTATUS;

NTSYSAPI NTSTATUS NTAPI RtlGetVersion(
    _Out_ PRTL_OSVERSIONINFOEXW lpVersionInformation
);

NTSYSAPI NTSTATUS NTAPI RtlVerifyVersionInfo(
    _In_ PRTL_OSVERSIONINFOEXW VersionInfo,
    _In_ ULONG TypeMask,
    _In_ ULONGLONG ConditionMask
);

// rev
NTSYSAPI VOID NTAPI RtlGetNtVersionNumbers(
    _Out_opt_ PULONG NtMajorVersion,
    _Out_opt_ PULONG NtMinorVersion,
    _Out_opt_ PULONG NtBuildNumber
);

#ifdef  __cplusplus
}
#endif // __cplusplus

#endif // __RTL_VERSION_H__