https://issues.dlang.org/show_bug.cgi?id=23784

          Issue ID: 23784
           Summary: ImportC: __ptr32, __ptr64
           Product: D
           Version: D2
          Hardware: All
                OS: Windows
            Status: NEW
          Keywords: ImportC
          Severity: normal
          Priority: P1
         Component: dmd
          Assignee: nobody@puremagic.com
          Reporter: maxsamukha@gmail.com

MS-specific: https://learn.microsoft.com/en-us/cpp/cpp/ptr32-ptr64

Breaks the likes of `typedef void* __ptr64 HANDLE64;`

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