Function tcdrain

crates/stdlib/src/termios.rs:246–249

(fd: i32, vm: &VirtualMachine)

    #[pyfunction]
    fn tcdrain(fd: i32, vm: &VirtualMachine) -> PyResult<()> {
        termios::tcdrain(fd).map_err(|e| termios_error(e, vm))?;
        Ok(())
    }

    #[pyfunction]
    fn tcflush(fd: i32, queue: i32, vm: &VirtualMachine) -> PyResult<()> {