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Annotation of researchv10no/cmd/upas/libc/dup2.c, revision 1.1

1.1     ! root        1: #include <fcntl.h>
        !             2: 
        !             3: int
        !             4: dup2(a,b)
        !             5:        int a;
        !             6:        int b;
        !             7: {
        !             8:        if (a==b)
        !             9:                return 0;
        !            10:        close(b);
        !            11:        return fcntl(a, F_DUPFD, b);
        !            12: }

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