Function epoll_ctl
pub unsafe extern "C" fn epoll_ctl(epfd: c_int, op: c_int, fd: c_int, event: *mut epoll_event) -> c_intepoll_ctlpub unsafe extern "C" fn epoll_ctl(epfd: c_int, op: c_int, fd: c_int, event: *mut epoll_event) -> c_int