struct DBGKD_GET_INTERNAL_BREAKPOINT32

typedef struct _DBGKD_GET_INTERNAL_BREAKPOINT32
{
     ULONG BreakpointAddress;
     ULONG Flags;
     ULONG Calls;
     ULONG MaxCallsPerPeriod;
     ULONG MinInstructions;
     ULONG MaxInstructions;
     ULONG TotalInstructions;
} DBGKD_GET_INTERNAL_BREAKPOINT32, *PDBGKD_GET_INTERNAL_BREAKPOINT32;

Windows Vista Kernel Structures