struct _IO_RESOURCE_DESCRIPTOR// Size=0x20
{
    unsigned char Option;// Offset=0x0 Size=0x1
    unsigned char Type;// Offset=0x1 Size=0x1
    unsigned char ShareDisposition;// Offset=0x2 Size=0x1
    unsigned char Spare1;// Offset=0x3 Size=0x1
    unsigned short Flags;// Offset=0x4 Size=0x2
    unsigned short Spare2;// Offset=0x6 Size=0x2
    union _unnamed_1342 u;// Offset=0x8 Size=0x18
};