Function insert_fd

crates/stdlib/src/select.rs:401–413

(fds: &mut Vec<pollfd>, fd: i32, events: i16)

        }

        fn insert_fd(fds: &mut Vec<pollfd>, fd: i32, events: i16) {
            match search(fds, fd) {
                Ok(i) => fds[i].events = events,
                Err(i) => fds.insert(
                    i,
                    pollfd {
                        fd,
                        events,
                        revents: 0,
                    },
                ),
            }
        }

        fn get_fd_mut(fds: &mut [pollfd], fd: i32) -> Option<&mut pollfd> {
            search(fds, fd).ok().map(move |i| &mut fds[i])