clueless

Command: man -k epollepoll (4)            - I/O event notification facilityepoll (7)            - I/O event notification facilityepoll_create (2)     - open an epoll file descriptorepoll_ctl (2)        - control interface for an epoll descriptorepoll_pwait (2)      - wait for an I/O event on an epoll file descriptorepoll_wait (2)       - wait for an I/O event on an epoll file descriptor