typedef struct _ARBITER_ALTERNATIVE
{
    unsigned __int64 Minimum;
    unsigned __int64 Maximum;
    unsigned __int64 Length;
    unsigned __int64 Alignment;
    long Priority;
    unsigned long Flags;
    IO_RESOURCE_DESCRIPTOR *Descriptor;
    unsigned long Reserved[3];
} ARBITER_ALTERNATIVE, *PARBITER_ALTERNATIVE;