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

CAnimation	Creates a Animation object to handle the animations
CAudio	Creates a Audio object to handle the SDL_Mixer. Done using help from http://www.lazyfoo.net/tutorials/SDL/21_sound_effects_and_music/index.php
CBackground	Creates a Background object that inherits Entity. Creates a Background object with a velocity, and position check. It also has a Texture (including variables for the source and destination dimensions), position and velocity in entity
CBlock	Creates a Block object that inherits MapObject
CCollision	Creates an Collision object. The Collision object is for use with detecting Collision. Used help from http://higherorderfun.com/blog/2012/05/20/the-guide-to-implementing-2d-platformers/ in the type 2 section
CCreature	Creates a Creature object that inherits Entity
CCreditsState	Creates a CreditsState object. Creates a CreditsState object that inherits State
CEnemy	Creates an Enemy object that inherits MapObject which in turn inherits Creature
CEntity	Creates an Entity object Creates an Entity object with a Texture (including variables for the source and destination dimensions) and position
CGameState	Creates a GameState object. Creates a GameState object that inherits State
CGem	Creates a Gem object that inherits MapObject
CHelpState	Creates a HelpState object. Creates a HelpState object that inherits State
CMapLoader	Class to load in a map text file
CMapObject	Creates a MapObject object that inherits Entity
CMenuState	Creates a MenuState object. Creates a MenuState object that inherits State
CPlayer	Creates a Player object that inherits Creature which in turn inherits Entity
CState	Creates a State object. Creates a State object to be inherited. Made using information from http://blog.nuclex-games.com/tutorials/cxx/game-state-management/ and Peter Allen
CStateManager	Creates a State manager object. Creates a State manager object to be inherited. Made using information from http://blog.nuclex-games.com/tutorials/cxx/game-state-management/ and Peter Allen
CTexture	Creates a Texture for use with a renderer Creates a Texture from an image file, this can then be used with a renderer
CWinLoseState	Creates a WinLoseState object. Creates a WinLoseState object that inherits State