Function search

crates/stdlib/src/select.rs:397–399

(fds: &[pollfd], fd: i32)

        #[inline]
        fn search(fds: &[pollfd], fd: i32) -> Result<usize, usize> {
            fds.binary_search_by_key(&fd, |pfd| pfd.fd)
        }

        fn insert_fd(fds: &mut Vec<pollfd>, fd: i32, events: i16) {
            match search(fds, fd) {