63     ) -> Result<&'a mut TtyFilePrivateData, SystemError> {  in verify_file_private_data()
78     pub fn check_rw_param(&self, len: usize, buf: &[u8]) -> Result<(), SystemError> {  in check_rw_param()  argument
86     pub fn input(&self, buf: &[u8]) -> Result<usize, SystemError> {  in input()
87         let r: Result<usize, TtyError> = self.core.input(buf, false);  in input()
120     fn open(&self, data: &mut FilePrivateData, mode: &FileMode) -> Result<(), SystemError> {  in open()  argument
148     ) -> Result<usize, SystemError> {  in read_at()
159         let r: Result<usize, TtyError> = self.core.read_stdin(&mut buf[0..len], true);  in read_at()
182     ) -> Result<usize, SystemError> {  in write_at()
194         let r: Result<usize, TtyError> = if data.flags.contains(TtyFileFlag::STDOUT) {  in write_at()
212     fn poll(&self) -> Result<crate::filesystem::vfs::PollStatus, SystemError> {  in poll()
224     fn list(&self) -> Result<alloc::vec::Vec<alloc::string::String>, SystemError> {  in list()
228     fn metadata(&self) -> Result<Metadata, SystemError> {  in metadata()
232     fn close(&self, _data: &mut FilePrivateData) -> Result<(), SystemError> {  in close()  argument
236     fn sync(&self) -> Result<(), SystemError> {  in sync()  argument
242             let r: Result<usize, TtyError> = self.core.output(&mut buf[0..511], false);  in sync()
291 pub fn tty_init() -> Result<(), SystemError> {  in tty_init()