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Annotation of researchv9/libc/gen/isatty.c, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Returns 1 iff file is a tty
                      3:  */
                      4: 
                      5: #include <sys/ttyio.h>
                      6: 
                      7: isatty(f)
                      8: {
                      9:        extern errno;
                     10:        struct sgttyb ttyb;
                     11: 
                     12:        if (ioctl(f, TIOCGETP, &ttyb) < 0) {
                     13:                errno = 0;
                     14:                return(0);
                     15:        }
                     16:        return(1);
                     17: }

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