typedef struct _KERNEL_STACK_CONTROL                  // 7 elements, 0x1C bytes (sizeof)
          {
              union                                             // 2 elements, 0x4 bytes (sizeof)
              {
/*0x000*/         struct _KTRAP_FRAME* PreviousTrapFrame;
/*0x000*/         VOID*        PreviousExceptionList;
              };
              union                                             // 2 elements, 0x4 bytes (sizeof)
              {
/*0x004*/         ULONG32      StackControlFlags;
                  struct                                        // 3 elements, 0x4 bytes (sizeof)
                  {
/*0x004*/             ULONG32      PreviousLargeStack : 1;      // 0 BitPosition
/*0x004*/             ULONG32      PreviousSegmentsPresent : 1; // 1 BitPosition
/*0x004*/             ULONG32      ExpandCalloutStack : 1;      // 2 BitPosition
                  };
              };
/*0x008*/     struct _KERNEL_STACK_SEGMENT Previous;            // 5 elements, 0x14 bytes (sizeof)
          }KERNEL_STACK_CONTROL, *PKERNEL_STACK_CONTROL;
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