dimlev

//! `tty-spawn` is the underlying library on which
//! [`teetty`](https://github.com/mitsuhiko/teetty) is built.  It lets you spawn
//! processes in a fake TTY and duplex stdin/stdout so you can communicate with an
//! otherwise user attended process.
use std::ffi::{CString, OsStr, OsString};
use std::fs::File;
use std::io::Write;
use std::os::unix::prelude::{AsRawFd, OpenOptionsExt, OsStrExt};
use std::path::Path;
use std::sync::atomic::{AtomicBool, Ordering};