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Annotation of researchv10no/cmd/weather/weather_read.c, revision 1.1

1.1     ! root        1: #include <stdio.h>
        !             2: #include <sgtty.h>
        !             3: #include <assert.h>
        !             4: 
        !             5: main()
        !             6: {
        !             7:        struct sgttyb sbuf;
        !             8:        char dbuf[512];
        !             9:        int fd, n;
        !            10: 
        !            11:        fd = open ("/dev/weather", 0);
        !            12:        assert (fd >= 0);
        !            13:        assert (gtty(fd, &sbuf) >= 0);
        !            14:        sbuf.sg_ispeed = sbuf.sg_ospeed = B1200;
        !            15:        sbuf.sg_flags &= ~(ECHO|RAW);
        !            16:        assert (stty(fd, &sbuf) >= 0);
        !            17:        ioctl(fd, TIOCEXCL, 0);
        !            18: 
        !            19:        for(;;) {
        !            20:                n = read (fd, dbuf, 512);
        !            21:                write (1, dbuf, n);
        !            22:        }
        !            23: }

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