Here is a list of all documented files with brief descriptions:

CO_application.h	Application interface for CANopenNode
CO_driver_target.h	Linux socketCAN specific definitions for CANopenNode
CO_epoll_interface.h	Helper functions for Linux epoll interface to CANopenNode
CO_error.h	CANopenNode Linux socketCAN Error handling
CO_error_msgs.h
CO_storageLinux.h	CANopen data storage object for Linux