65 pub enum TtyError {  enum
105     pub fn input(&self, buf: &[u8], block: bool) -> Result<usize, TtyError> {  in input()  argument
122     pub fn output(&self, buf: &mut [u8], block: bool) -> Result<usize, TtyError> {  in output()  argument
133     pub fn stdout(&self, buf: &[u8], block: bool) -> Result<usize, TtyError> {  in stdout()  argument
144     pub fn stderr(&self, buf: &[u8], block: bool) -> Result<usize, TtyError> {  in stderr()  argument
155     pub fn read_stdin(&self, buf: &mut [u8], block: bool) -> Result<usize, TtyError> {  in read_stdin()  argument
162                     TryRecvError::Closed => return Err(TtyError::Closed),  in read_stdin()
170                     _ => return Err(TtyError::Unknown(format!("{err:?}"))),  in read_stdin()
199     fn write_stdin(&self, buf: &[u8], block: bool) -> Result<usize, TtyError> {  in write_stdin()  argument
205                     TrySendError::Closed(_) => return Err(TtyError::Closed),  in write_stdin()
210                             return Err(TtyError::BufferFull(cnt));  in write_stdin()
213                     _ => return Err(TtyError::Unknown(format!("{e:?}"))),  in write_stdin()
231     fn read_output(&self, buf: &mut [u8], block: bool) -> Result<usize, TtyError> {  in read_output()  argument
237                     TryRecvError::Closed => return Err(TtyError::Closed),  in read_output()
245                     _ => return Err(TtyError::Unknown(format!("{err:?}"))),  in read_output()
264     fn write_output(&self, buf: &[u8], block: bool) -> Result<usize, TtyError> {  in write_output()  argument
270                     TrySendError::Closed(_) => return Err(TtyError::Closed),  in write_output()
275                             return Err(TtyError::BufferFull(cnt));  in write_output()
278                     _ => return Err(TtyError::Unknown(format!("{e:?}"))),  in write_output()