Here are the data structures with brief descriptions:

Cability_init_t	To get the ability table from the database, we need to define a struct This struct is for the initialization of the ability table The values of the struct corresponds to the init_ability() method in
Cability_t
Cability_table_t
Ccharacter_t
Cdamage_resistance_t
Cdb_connection_t	This struct is used for the database connection in SQLite
Cdefenses_t
Cgear_init_t	To get gear table from the database, we need to define a struct This struct is for the initialization of the gear table The value of the struct corresponds to the init_gear() method in
Cgear_t
Cgear_table_t
Cinput_event_t	Structure for advanced input events with context data
Cinput_timing_t
Cloaded_visual_s	Structure to represent a loaded visual
Cmemory_block_t
Cmemory_pool_t
Cobserver_node
Cpotion_init_t	To get potion table from the database, we need to define a struct This struct is for the initialization of the potion table The values of the struct corresponds to the init_potion() method in
Cpotion_t
Cpotion_table_t
Cresources_t
Cring_buffer_t
Csave_info_container_t
Csave_info_t
Cstats_t
Cstring_max_t	String struct with a fixed maximum length, it is directly linked to the macro MAX_STRING_LENGTH
Cthread_func_wrapper_t
Cvector2d_t	2-dimensional vector struct