Here are the data structures with brief descriptions:

CANativeActivity
CANativeWindow_Buffer
CASTNode	AST Node structure
CCodeGenerator	CodeGenerator structure
CCompilerOptions
CConditionalState	Conditional state tracking
Cimplementation
CIncludeFile	Include file tracking
CLexer	Lexer structure
CMacro	Macro definition
CMacroParam	Macro parameter
CMultiArchCodegen
CObjCMethodParam	Objective-C method parameter
CParser	Parser structure
CPreprocessor
CPSX_CPU_Specs
CPSX_GTE_Specs
CPSX_MDEC_Specs
CPSX_Memory_Map
CRegisterInfo
CSymbol
CSymbolTable
CTargetConfig
CToken	Token structure