52 static struct termios term, oldterm;  variable
553 	(void) tcgetattr(0, &term);  in main()
554 	oldterm = term;  in main()
555 	term.c_iflag &= ~(ICRNL | INPCK | ISTRIP);  in main()
556 	term.c_lflag &= ~(ICANON | ECHO | IEXTEN);  in main()
557 	term.c_cflag &= ~(CSIZE | PARENB);  in main()
558 	term.c_cflag |= CS8;  in main()
559 	term.c_oflag &= ~(OPOST);  in main()
560 	term.c_cc[VMIN] = 1;  in main()
561 	term.c_cc[VTIME] = 0;  in main()
562 	(void) tcsetattr(0, TCSADRAIN, &term);  in main()