ntdll!_KDPC
   +0x000 Type             : UChar
   +0x001 Importance       : UChar
   +0x002 Number           : Uint2B
   +0x004 DpcListEntry     : _LIST_ENTRY
   +0x00c DeferredRoutine  : Ptr32     void
   +0x010 DeferredContext  : Ptr32 Void
   +0x014 SystemArgument1  : Ptr32 Void
   +0x018 SystemArgument2  : Ptr32 Void
   +0x01c DpcData          : Ptr32 Void


typedef struct _KDPC
{
     UCHAR Type;
     UCHAR Importance;
     WORD Number;
     LIST_ENTRY DpcListEntry;
     PVOID DeferredRoutine;
     PVOID DeferredContext;
     PVOID SystemArgument1;
     PVOID SystemArgument2;
     PVOID DpcData;
} KDPC, *PKDPC;
