Here are the data structures with brief descriptions:

C_gmImageDepthEntry
C_gmMouse	Structure representing the current state of the mouse
C_memory_spot
Cgm3BakedMeshHeader	Header for the baked mesh binary format
Cgm3Camera	Represents a camera in a 3D scene, used for projection
Cgm3Image	Structure representing the 2D projected output of a 3D scene
Cgm3Light	Represents a single light source in a 3D scene
Cgm3Material	Represents a single 3D material with various rendering properties
Cgm3Mesh	Represents a 3D mesh composed of vertices, faces, normals, and texture coordinates
Cgm3MeshFace	Represents a single face (triangle) in a 3D mesh
Cgm3MtlLib	Represents a material library, typically loaded from an .mtl file
Cgm3ObjLine
Cgm3Pos	Represents a 3D position or vector
Cgm3Scene	Represents a complete 3D scene, including its camera, lights, and viewport
Cgm3Tex	Represents a 2D texture coordinate
Cgm3Texture	Represents a 3D texture, including its raw image data and file path
Cgm3Transform	Represents a 3D transformation, including position, rotation, and scale
Cgm_collision	Structure to store detailed information about a collision between two bodies
Cgm_system	Structure representing a physics system containing bodies and collision information
CgmBody	Structure representing a physics body with properties for collision and movement
CgmImage	A handle to a GPU-managed image or texture
CgmImageData	A container for raw, CPU-side image pixel data
CgmPos	Represents a 2D position or vector
CgmSprite	Structure representing a sprite with animation capabilities
CgmSpriteAnim	Structure representing a sprite animation sequence
CgmStr	Represents a dynamic, heap-allocated string
CgmwButtonTheme	Structure defining the visual theme for a button widget
CgmwFrameTheme	Structure defining the visual theme for a frame widget
CgmwJoystickTheme	Structure defining the visual theme for a joystick widget
CgmwScaleTheme	Structure defining the visual theme for a scale (slider) widget
CgmwSwitchTheme	Structure defining the visual theme for a switch widget
CgmwThemeCache	Structure containing all widget themes for caching purposes
Cspecial