Here are the data structures with brief descriptions:

NPrivate
CMakeVoid
CIsMapContainerImpl
CIsMapContainerImpl< T, void_t< typename T::key_type, typename T::mapped_type, decltype(std::declval< T & >()[std::declval< const typename T::key_type & >()])> >
NUtils
CVersion
C_BuddyAddress
C_BuddyInfo
C_BuddyLookupFuncs
C_BuddyLookupRequest
C_LinphoneCoreVTable	This structure holds all callbacks that the application should implement
C_LinphoneRtpTransportFactories
C_LinphoneSipTransports	Linphone core SIP transport ports
C_SipSetup
C_SipSetupContext
C_zrtpCacheAccess
CEnumMask
CFlexiAPIClient
CResponse
CJsonParams
CCallbacks
CIsMapContainer
CLinphoneVideoSizeDef
CMyAppData