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Annotation of xinu/h/dir.h, revision 1.1

1.1     ! root        1: /* dir.h */
        !             2: 
        !             3: #define        FDNLEN  10                      /* length of file name + 1      */
        !             4: #define        NFDES   28                      /* number of files per directory*/
        !             5: 
        !             6: struct fdes    {                       /* description of each file     */
        !             7:        long    fdlen;                  /* length in bytes              */
        !             8:        IBADDR  fdiba;                  /* first index block            */
        !             9:        char    fdname[FDNLEN];         /* zero-terminated file name    */
        !            10: };
        !            11: 
        !            12: struct dir     {                       /* directory layout             */
        !            13:        int     d_iblks;                /* i-blocks on this disk        */
        !            14:        DBADDR  d_fblst;                /* pointer to list of free blks */
        !            15:        IBADDR  d_filst;                /* pointer to list of free iblks*/
        !            16:        int     d_id;                   /* disk identification integer  */
        !            17:        int     d_nfiles;               /* current number of files      */
        !            18:        struct  fdes    d_files[NFDES]; /* descriptions of the files    */
        !            19: };
        !            20: 
        !            21: struct freeblk {                       /* shape of block on free list  */
        !            22:        DBADDR  fbnext;                 /* address of next free block   */
        !            23: };

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