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Annotation of 41BSD/sys/dev/dkleave.c, revision 1.1

1.1     ! root        1: /*     dkleave.c       4.1     11/9/80 */
        !             2: 
        !             3: #ifdef INTRLVE
        !             4: #include "../h/param.h"
        !             5: #include "../h/buf.h"
        !             6: 
        !             7: daddr_t
        !             8: dkblock(bp)
        !             9: register struct buf *bp;
        !            10: {
        !            11:        register int dminor;
        !            12: 
        !            13:        if (((dminor=minor(bp->b_dev))&0100) == 0)
        !            14:                return(bp->b_blkno);
        !            15:        dminor >>= 3;
        !            16:        dminor &= 07;
        !            17:        dminor++;
        !            18:        return(bp->b_blkno/dminor);
        !            19: }
        !            20: 
        !            21: dkunit(bp)
        !            22: register struct buf *bp;
        !            23: {
        !            24:        register int dminor;
        !            25: 
        !            26:        dminor = minor(bp->b_dev) >> 3;
        !            27:        if ((dminor&010) == 0)
        !            28:                return(dminor);
        !            29:        dminor &= 07;
        !            30:        dminor++;
        !            31:        return(bp->b_blkno%dminor);
        !            32: }
        !            33: #endif

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