76 	struct termios tio;  in enter_raw_mode()  local
78 	if (tcgetattr(fileno(stdin), &tio) == -1) {  in enter_raw_mode()
82 	_saved_tio = tio;  in enter_raw_mode()
83 	tio.c_iflag |= IGNPAR;  in enter_raw_mode()
84 	tio.c_iflag &= ~(ISTRIP | INLCR | IGNCR | ICRNL | IXON | IXANY | IXOFF);  in enter_raw_mode()
85 	tio.c_lflag &= ~(ISIG | ICANON | ECHO | ECHOE | ECHOK | ECHONL);  in enter_raw_mode()
87 	tio.c_lflag &= ~IEXTEN;  in enter_raw_mode()
89 	tio.c_oflag &= ~OPOST;  in enter_raw_mode()
90 	tio.c_cc[VMIN] = 1;  in enter_raw_mode()
91 	tio.c_cc[VTIME] = 0;  in enter_raw_mode()
92 	if (tcsetattr(fileno(stdin), TCSADRAIN, &tio) == -1)  in enter_raw_mode()