This inheritance list is sorted roughly, but not completely, alphabetically:

[detail level 1234]

Ci3ipc::bar_config_t	A bar configuration
Ci3ipc::binding_t	A binding
Ci3ipc::buf_t	I3 IPC message buffer
Ci3ipc::connection	Connection to the i3
Ci3ipc::container_t	A node of tree of windows
▼Cstd::exception	STL class
▼Cstd::runtime_error	STL class
▼Ci3ipc::ipc_error	Base class of i3 IPC errors
Ci3ipc::eof_error	Socket return EOF, but expected a data
Ci3ipc::errno_error	If any error occured, while using C-functions
Ci3ipc::invalid_header_error	Something wrong in message header (wrong magic number, message type etc.)
Ci3ipc::invalid_reply_payload_error	If something wrong in a payload of i3's reply
Ci3ipc::header_t	I3 IPC header
Ci3ipc::output_t	I3's output
Ci3ipc::rect_t	Primitive of rectangle
Ci3ipc::version_t	Version of i3
Ci3ipc::window_event_t	A window event
Ci3ipc::workspace_event_t	A workspace event
Ci3ipc::workspace_t	I3's workspace