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Annotation of 42BSD/ingres/source/gutil/cat.c, revision 1.1

1.1     ! root        1: # include      <sccs.h>
        !             2: 
        !             3: SCCSID(@(#)cat.c       7.1     2/5/81)
        !             4: 
        !             5: /*
        !             6: **  CAT -- "cat" a file
        !             7: **
        !             8: **     This function is essentially identical to the UNIX cat(I).
        !             9: **
        !            10: **     Parameters:
        !            11: **             file -- the name of the file to be cat'ed
        !            12: **
        !            13: **     Returns:
        !            14: **             zero -- success
        !            15: **             else -- failure (could not open file)
        !            16: **
        !            17: **     Side Effects:
        !            18: **             "file" is open and read once through; a copy is made
        !            19: **                     to the standard output.
        !            20: */
        !            21: 
        !            22: cat(file)
        !            23: char   *file;
        !            24: {
        !            25:        char            buf[512];
        !            26:        register int    i;
        !            27:        register int    fd;
        !            28: 
        !            29:        fd = open(file, 0);
        !            30:        if (fd < 0)
        !            31:                return (1);
        !            32: 
        !            33:        while ((i = read(fd, buf, 512)) > 0)
        !            34:        {
        !            35:                write(1, buf, i);
        !            36:        }
        !            37: 
        !            38:        return (0);
        !            39: }

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