13         tty_core::{EchoOperation, TtyCore, TtyCoreData, TtyFlag, TtyIoctlCmd, TtyPacketStatus},
531                         self.add_echo_byte(EchoOperation::Start.to_u8());  in receive_special_char()
532                         self.add_echo_byte(EchoOperation::SetCanonCol.to_u8());  in receive_special_char()
560                     self.add_echo_byte(EchoOperation::Start.to_u8());  in receive_special_char()
561                     self.add_echo_byte(EchoOperation::SetCanonCol.to_u8());  in receive_special_char()
652                         self.add_echo_byte(EchoOperation::Start.to_u8());  in eraser()
653                         self.add_echo_byte(EchoOperation::MoveBackCol.to_u8());  in eraser()
717         self.add_echo_byte(EchoOperation::Start.to_u8());  in echo_erase_tab()
718         self.add_echo_byte(EchoOperation::EraseTab.to_u8());  in echo_erase_tab()
829                 self.add_echo_byte(EchoOperation::Start.to_u8());  in receive_char()
830                 self.add_echo_byte(EchoOperation::SetCanonCol.to_u8());  in receive_char()
844         if c == EchoOperation::Start.to_u8() {  in echo_char()
845             self.add_echo_byte(EchoOperation::Start.to_u8());  in echo_char()
846             self.add_echo_byte(EchoOperation::Start.to_u8());  in echo_char()
852                 self.add_echo_byte(EchoOperation::Start.to_u8());  in echo_char()
859         if c == EchoOperation::Start.to_u8() {  in echo_char_raw()
860             self.add_echo_byte(EchoOperation::Start.to_u8());  in echo_char_raw()
861             self.add_echo_byte(EchoOperation::Start.to_u8());  in echo_char_raw()
1261             if EchoOperation::from_u8(c) == EchoOperation::Start {  in echoes()
1268                 let op = EchoOperation::from_u8(self.echo_buf[ntty_buf_mask(tail + 1)]);  in echoes()
1271                     EchoOperation::Start => {  in echoes()
1277                             .put_char(tty.core(), EchoOperation::Start.to_u8())  in echoes()
1280                             tty.write(core, &[EchoOperation::Start.to_u8()], 1)?;  in echoes()
1287                     EchoOperation::MoveBackCol => {  in echoes()
1293                     EchoOperation::SetCanonCol => {  in echoes()
1297                     EchoOperation::EraseTab => {  in echoes()
1338                     EchoOperation::Undefined(ch) => {  in echoes()
1396             if self.echo_buf[ntty_buf_mask(tail)] == EchoOperation::Start.to_u8() {  in echoes()
1397                 if self.echo_buf[ntty_buf_mask(tail + 1)] == EchoOperation::EraseTab.to_u8() {  in echoes()