#ifndef _NTRTL_H
#if defined(__cplusplus)

template <typename T>
FORCEINLINE
T*
RTL_PTR_SUBTRACT(T* Pointer, ULONG_PTR Value) noexcept {
    return reinterpret_cast<T*>(reinterpret_cast<PBYTE>(Pointer) - Value);
}

#endif
#endif
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#ifndef _NTRTL_H
#if defined(__cplusplus)
// ...
#else
#ifndef RTL_PTR_SUBTRACT

#define RTL_PTR_SUBTRACT(Pointer, Value) ((PVOID)(((PUCHAR)(Pointer)) - ((ULONG_PTR)(Value))))

#endif
#endif
#endif
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