Here are the data structures with brief descriptions:

Calarm_s	Data structure for alarm
Ccounter_s	Data structure for counter
CerrorInfo_s	Structure used for saving error information
CinternalResource_s	Data structure for internal resource
Cresource_s	Data structure for OS resource
CscheduleTable_s	Structure for schedule table
CscheduleTableExpiryActionEvent_s	Structure for event activation action
CscheduleTableExpiryActionTask_s	Structure for task activation action
CscheduleTableExpiryPoint_s	Structure for expiry point
Ctask_s	Data structure for task