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Annotation of 40BSD/sys/dev/dkleave.c, revision 1.1.1.1

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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