Manuals Section 3 E Section 3 · Library functions Library functions: E Functions provided by program libraries. 6 pages · E A B C D E F G I L M N O P R S T U V EOF.3const end of file or error indicator epoll_data_t.3type epoll event epoll_data.3type epoll event epoll_event.3type epoll event EXIT_FAILURE.3const termination status constants EXIT_SUCCESS.3const termination status constants