_TP_CALLBACK_ENVIRON

//0x40 bytes (sizeof) struct _TP_CALLBACK_ENVIRON { ULONG Version; //0x0 struct _TP_POOL* Pool; //0x8 struct _TP_CLEANUP_GROUP* CleanupGroup; //0x10 VOID (*CleanupGroupCancelCallback)(VOID* arg1, VOID* arg2); //0x18 VOID* RaceDll; //0x20 struct _ACTIVATION_CONTEXT* ActivationContext; //0x28 VOID (*FinalizationCallback)(struct _TP_CALLBACK_INSTANCE* arg1, VOID* arg2); //0x30 union { ULONG Flags; //0x38 struct { ULONG LongFunction:1; //0x38 ULONG Private:31; //0x38 } s; //0x38 } u; //0x38 };