ULONG_PTR - NtDoc

#ifndef _NTINTSAFE_H_INCLUDED_
#if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP | WINAPI_PARTITION_SYSTEM | WINAPI_PARTITION_GAMES)
#if (__midl > 501)

typedef [public] unsigned __int3264 ULONG_PTR;

#endif
#endif
#endif
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#ifndef _NTINTSAFE_H_INCLUDED_
#if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP | WINAPI_PARTITION_SYSTEM | WINAPI_PARTITION_GAMES)
#if (__midl > 501)
// ...
#else
#ifdef _WIN64

typedef unsigned __int64    ULONG_PTR;

#endif
#endif
#endif
#endif
View code on GitHub

#ifndef _NTINTSAFE_H_INCLUDED_
#if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP | WINAPI_PARTITION_SYSTEM | WINAPI_PARTITION_GAMES)
#if (__midl > 501)
// ...
#else
#ifdef _WIN64
// ...
#else

typedef _W64 unsigned long  ULONG_PTR;

#endif
#endif
#endif
#endif
View code on GitHub