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//0x119 bytes (sizeof)
struct _WHEA_ERROR_PACKET
{
    ULONG Signature;                                                        //0x0
    ULONG Flags;                                                            //0x4
    ULONGLONG Size;                                                         //0x8
    ULONGLONG RawDataLength;                                                //0x10
    ULONGLONG Context;                                                      //0x18
    enum _WHEA_ERROR_TYPE ErrorType;                                        //0x20
    enum _WHEA_ERROR_SEVERITY ErrorSeverity;                                //0x24
    ULONG ErrorSourceId;                                                    //0x28
    enum _WHEA_ERROR_SOURCE_TYPE ErrorSourceType;                           //0x2c
    ULONG Reserved1;                                                        //0x30
    ULONG Version;                                                          //0x34
    ULONGLONG Cpu;                                                          //0x38
    union
    {
        struct _WHEA_GENERIC_PROCESSOR_ERROR ProcessorError;                //0x40
        struct _WHEA_MEMORY_ERROR MemoryError;                              //0x40
        struct _WHEA_NMI_ERROR NmiError;                                    //0x40
        struct _WHEA_PCIEXPRESS_ERROR PciExpressError;                      //0x40
        struct _WHEA_PCIX_BUS_ERROR PciXBusError;                           //0x40
        struct _WHEA_PCIX_DEVICE_ERROR PciXDeviceError;                     //0x40
    } u;                                                                    //0x40
    enum _WHEA_ERROR_STATUS_FORMAT RawDataFormat;                           //0x110
    ULONG Reserved2;                                                        //0x114
    UCHAR RawData[1];                                                       //0x118
};