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

Carrow_t	Defines an arrow address
Cdblist	Phantom documentation used to test the functioning of doxygen
Celem	Phantom documentation used to test the functioning of doxygen
Cfsm_struct_journal	Required to initialise a double-chained list
Cfsm_struct_journal_unit	Structure of a journal element
Cfsm_struct_list_data	Phantom documentation
Cfsm_struct_list_disp	Phantom documentation
Cfsm_struct_list_tool	Phantom documentation
Cgraphics_stack_t	Structure describing a gl_area and its parameters, used to create a table of Gem-graph client current gl_areas
Cpile	Phantom documentation used to test the functioning of doxygen
Cpreferences
Cslist	Phantom documentation used to test the functioning of doxygen
CStack	Phantom documentation used to test the functioning of doxygen
Cstack_index_t	Phantom documentation used to test the functioning of doxygen
CTreeNode_t	Phantom documentation used to test the functioning of doxygen