Here are the classes, structs, unions and interfaces with brief descriptions:

NASI
CMemoryRegion	MemoryRegion is used for rewriting code in a given memory block
CPointer
CFakeStack
CAiFunctions	Group of functions related to AI manipulation
Castruct32
CAutoClass101
CAutoClass14
CAutoClass46
CAutoClass69
CAutoClass82
CBuilding
CBuildingAuxEntry
CBuildingAuxEntry_related
CBuildingFunctions
CBuildingResource
CCampaignJson	Parse result: the definition plus which keys were actually present
CCAppMain
CCAppMain_data
CCAppMenu
CCAppMenu_data
CCAppSession
CCAppSession_data
CCGdAIBattleData	The main structure for handling AI battle data
CCGdBuildingIterator
CCGdControllerClient
CCGdControllerClientData
CCGdFigureHateEntry
CCGdFigureIterator
CCGdMain_data
CCGdObjectIterator
CCGdResourceUnitStats
CCGdResourceWeaponData
CCGdTileIterator_data
CCMnuBase
CCMnuBase_data
CCMnuButton_data
CCMnuContainer
CCMnuLabel
CCMnuScreen
CCMnuSmpButton
CCollision
CCUiMain_data
CCUiMenuPreLoad
CCUiMenuPreLoad_data
CCUiOption
CCUiStartMenu
CCUtlCallback2
CCUtlConfigFile
CD_String
Cdata_CUiStartMenu
CEffectFunctions	Group of functions related to Effect manipulation
CEntityPriorityList	Holds a list of entities with associated data and an entity count
CEntityPriorityList_data	Stores data related to a specific entity in the AI system
CFigureFunctions	Group of functions to manipulate the behavior and statistics of the game figures (units)
CFigureJobData
CFigureStatistic
CFigureStatisticExt
CFileWrapper
CGdAvatar
CGdAvatarData
CGdAvatarInternal
CGdBuilding
CGdFigure
CGdFigureAbility
CGdObject
CGdPlayer
Chealing_entry
CIteratorFunctions	Group of functions related to Iteration, Often used for AOE or Chain Like Spells
Cjsmn_parser
Cjsmntok_t
CRegisteredMod	A mod as shown in the in-game mod list
CRegistrationFunctions	A structure dedicated to the registration of spells This structure holds functions that are used to create a representation of a spell within the framework. We then translate this representation into a viable Spellforce Spell
CResource
CScreenEntry	One "map name -> loading screen mesh" pair
CSF_CGdBattleDevelopment	High-level structure managing AI battle development
CSF_CGdBuilding
CSF_CGdBuildingToolbox
CSF_CGdEffect
CSF_CGdFigure	A structure for the global list of figures and related statistics for them
CSF_CGdFigureJobs
CSF_CGdFigureToolbox
CSF_CGdFigureWeaponStats
CSF_CGdMain
CSF_CGdObject
CSF_CGdPlayer
CSF_CGdResource
CSF_CGdResourceSpell
CSF_CGdResourceSpellLine
CSF_CGdSpell
CSF_CGdTargetData
CSF_CGdWorld
CSF_CGdWorldToolBox
CSF_Color
CSF_Coord
CSF_CUiMain
CSF_CUiVideo
CSF_CUiVideoSequence
CSF_CUiVideoSequence_data
CSF_Font
CSF_FontStruct
CSF_GameInfo
CSF_GdEffect
CSF_GdSpell
CSF_Rectangle
CSF_RGColor
CSF_SGtFigureAction
CSF_SpellEffectInfo
CSF_String
CSF_UIElement
CSF_world_unkn_1
CSF_world_unkn_2
CSF_world_unkn_3
CSF_world_unkn_4
CSFBuilding
CSFLog
CSFMod
CSFSF_CampaignDef
CSFSF_ModlistStruct
CSFSpell
CSpellforceSpellFramework	Represents the Spellforce Spell Framework API.This structure serves as the central interface for interacting with various subsystems of the Spellforce Spell Framework. Each member corresponds to a specific API or function group, providing access to the relevant functionality
CSpellFunctions	Represents a collection of function pointers for managing spell-related operations
CToolboxFunctions	Holds most of the Toolbox Functions relevent for custom spells. Includes functions for the manipulation of Figures
CUiFunctions	Group of functions related to UI manipulation
Cuint_list_node
Cushort_list_node	Represents a node in a list of unsigned short values
CWorldCoord