Here are the data structures with brief descriptions:

CMapping_uint32
CMapping_uint64
Cvc_ctx_caps	Capabilities of process-contexts
Cvc_ctx_dlimit
Cvc_ctx_flags	Flags of process-contexts
Cvc_ctx_stat	Statistics about a context
Cvc_err_listparser	Information about parsing errors
Cvc_ip_mask_pair
Cvc_net_addr
Cvc_net_caps
Cvc_net_flags
Cvc_nx_info
Cvc_rlimit	The limits of a resources
Cvc_rlimit_mask	Masks describing the supported limits
Cvc_rlimit_stat	Statistics for a resource limit
Cvc_sched_info
Cvc_set_sched
Cvc_umask	Namespaces allowed to unshare
Cvc_virt_stat	Contains further statistics about a context
Cvc_vx_info