typedef struct _CONFIGURATION_COMPONENT_DATA
{
     PCONFIGURATION_COMPONENT_DATA Parent;
     PCONFIGURATION_COMPONENT_DATA Child;
     PCONFIGURATION_COMPONENT_DATA Sibling;
     CONFIGURATION_COMPONENT ComponentEntry;
     PVOID ConfigurationData;
} CONFIGURATION_COMPONENT_DATA, *PCONFIGURATION_COMPONENT_DATA;

Windows Vista Kernel Structures