50 	tcgetattr(STDERR_FILENO, &mode);  in reset_mode()
53 	mode.c_cc[VDISCARD] = CHK(mode.c_cc[VDISCARD], CDISCARD);  in reset_mode()
55 	mode.c_cc[VEOF] = CHK(mode.c_cc[VEOF], CEOF);  in reset_mode()
56 	mode.c_cc[VERASE] = CHK(mode.c_cc[VERASE], CERASE);  in reset_mode()
58 	mode.c_cc[VFLUSH] = CHK(mode.c_cc[VFLUSH], CFLUSH);  in reset_mode()
60 	mode.c_cc[VINTR] = CHK(mode.c_cc[VINTR], CINTR);  in reset_mode()
61 	mode.c_cc[VKILL] = CHK(mode.c_cc[VKILL], CKILL);  in reset_mode()
63 	mode.c_cc[VLNEXT] = CHK(mode.c_cc[VLNEXT], CLNEXT);  in reset_mode()
65 	mode.c_cc[VQUIT] = CHK(mode.c_cc[VQUIT], CQUIT);  in reset_mode()
67 	mode.c_cc[VREPRINT] = CHK(mode.c_cc[VREPRINT], CRPRNT);  in reset_mode()
69 	mode.c_cc[VSTART] = CHK(mode.c_cc[VSTART], CSTART);  in reset_mode()
70 	mode.c_cc[VSTOP] = CHK(mode.c_cc[VSTOP], CSTOP);  in reset_mode()
71 	mode.c_cc[VSUSP] = CHK(mode.c_cc[VSUSP], CSUSP);  in reset_mode()
73 	mode.c_cc[VWERASE] = CHK(mode.c_cc[VWERASE], CWERASE);  in reset_mode()
76 	mode.c_iflag &= ~(IGNBRK | PARMRK | INPCK | ISTRIP | INLCR | IGNCR  in reset_mode()
85 	mode.c_iflag |= (BRKINT | IGNPAR | ICRNL | IXON  in reset_mode()
91 	mode.c_oflag &= ~(0  in reset_mode()
115 	mode.c_oflag |= (OPOST  in reset_mode()
121 	mode.c_cflag &= ~(CSIZE | CSTOPB | PARENB | PARODD | CLOCAL);  in reset_mode()
122 	mode.c_cflag |= (CS8 | CREAD);  in reset_mode()
123 	mode.c_lflag &= ~(ECHONL | NOFLSH | TOSTOP  in reset_mode()
132 	mode.c_lflag |= (ISIG | ICANON | ECHO | ECHOE | ECHOK  in reset_mode()
141 	tcsetattr(STDERR_FILENO, TCSADRAIN, &mode);  in reset_mode()
169 	if (mode.c_cc[VERASE] == 0 || erasech != 0)  in set_control_chars()
170 		mode.c_cc[VERASE] = erasech ? erasech : CERASE;  in set_control_chars()
172 	if (mode.c_cc[VINTR] == 0 || intrchar != 0)  in set_control_chars()
173 		 mode.c_cc[VINTR] = intrchar ? intrchar : CINTR;  in set_control_chars()
175 	if (mode.c_cc[VKILL] == 0 || killch != 0)  in set_control_chars()
176 		mode.c_cc[VKILL] = killch ? killch : CKILL;  in set_control_chars()
190 		mode.c_iflag |= IUCLC;  in set_conversions()
191 		mode.c_oflag |= OLCUC;  in set_conversions()
195 		mode.c_iflag &= ~IUCLC;  in set_conversions()
196 		mode.c_oflag &= ~OLCUC;  in set_conversions()
199 	mode.c_iflag &= ~(PARMRK | INPCK);  in set_conversions()
200 	mode.c_lflag |= ICANON;  in set_conversions()
202 		mode.c_cflag |= PARENB;  in set_conversions()
203 		mode.c_cflag &= ~PARODD;  in set_conversions()
206 		mode.c_cflag |= PARENB;  in set_conversions()
207 		mode.c_cflag |= PARODD;  in set_conversions()
211 	mode.c_oflag |= ONLCR;  in set_conversions()
213 	mode.c_iflag |= ICRNL;  in set_conversions()
214 	mode.c_lflag |= ECHO;  in set_conversions()
215 	mode.c_oflag |= OXTABS;  in set_conversions()
218 		mode.c_oflag &= ~ONLCR;  in set_conversions()
220 		mode.c_iflag &= ~ICRNL;  in set_conversions()
223 		mode.c_lflag &= ~ECHO;  in set_conversions()
225 		mode.c_oflag &= ~OXTABS;  in set_conversions()
226 	mode.c_lflag |= (ECHOE | ECHOK);  in set_conversions()