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Annotation of 42BSD/ucb/reset.c, revision 1.1

1.1     ! root        1: #ifndef lint
        !             2: static char *sccsid = "@(#)reset.c     4.4 (Berkeley) 7/1/83";
        !             3: #endif
        !             4: /*
        !             5:  * reset - restore tty to sensible state after crapping out in raw mode.
        !             6:  */
        !             7: #include <sgtty.h>
        !             8: 
        !             9: main()
        !            10: {
        !            11:        struct sgttyb buf;
        !            12:        struct tchars tbuf;
        !            13:        struct ltchars ltbuf;
        !            14: 
        !            15:        ioctl(2, TIOCGETP, &buf);
        !            16:        ioctl(2, TIOCGETC, &tbuf);
        !            17:        ioctl(2, TIOCGLTC, &ltbuf);
        !            18:        buf.sg_flags &= ~(RAW|CBREAK|VTDELAY|ALLDELAY);
        !            19:        buf.sg_flags |= XTABS|ECHO|CRMOD|ANYP;
        !            20:        reset(&buf.sg_erase, CERASE);
        !            21:        reset(&buf.sg_kill, CKILL);
        !            22:        reset(&tbuf.t_intrc, CINTR);
        !            23:        reset(&tbuf.t_quitc, CQUIT);
        !            24:        reset(&tbuf.t_startc, CSTART);
        !            25:        reset(&tbuf.t_stopc, CSTOP);
        !            26:        reset(&tbuf.t_eofc, CEOF);
        !            27:        reset(&ltbuf.t_suspc, CSUSP);
        !            28:        reset(&ltbuf.t_dsuspc, CDSUSP);
        !            29:        reset(&ltbuf.t_rprntc, CRPRNT);
        !            30:        reset(&ltbuf.t_flushc, CFLUSH);
        !            31:        reset(&ltbuf.t_lnextc, CLNEXT);
        !            32:        reset(&ltbuf.t_werasc, CWERASE);
        !            33:        /* brkc is left alone */
        !            34:        ioctl(2, TIOCSETN, &buf);
        !            35:        ioctl(2, TIOCSETC, &tbuf);
        !            36:        ioctl(2, TIOCSLTC, &ltbuf);
        !            37:        execlp("tset", "tset", "-Q", "-I", 0);  /* fix term dependent stuff */
        !            38:        exit(1);
        !            39: }
        !            40: 
        !            41: reset(cp, def)
        !            42:        char *cp;
        !            43:        int def;
        !            44: {
        !            45: 
        !            46:        if (*cp == 0 || (*cp&0377)==0377)
        !            47:                *cp = def;
        !            48: }

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