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Annotation of researchv10no/cmd/tp/tp.h, revision 1.1

1.1     ! root        1: /*     c-version of tp?.s
        !             2:  *
        !             3:  *     M. Ferentz
        !             4:  *     August 1976
        !             5:  *
        !             6:  *     revised July 1977 BTL
        !             7:  */
        !             8: 
        !             9: #define        MDIRENT 496             /* must be zero mod 8 */
        !            10: #define DIRSZ  sizeof(struct dent)
        !            11: #define MAPSIZE 4096
        !            12: #define MAPMASK 07777
        !            13: #define NAMELEN 32
        !            14: #define BSIZE   512
        !            15: #define        TCSIZ   578
        !            16: #define TCDIRS 192
        !            17: #define        MTSIZ   32767
        !            18: #define TPB    (BSIZE/sizeof(struct tent))
        !            19: #define        OK      0100000
        !            20: #define        BRKINCR 512
        !            21: 
        !            22: #define        tapeblk &tpentry[0]
        !            23: #define tapeb  &tpentry[0]
        !            24: 
        !            25: struct         tent    {       /* Structure of a tape directory block */
        !            26:        char    pathnam[NAMELEN];
        !            27:        short   mode;
        !            28:        char    uid;
        !            29:        char    gid;
        !            30:        char    spare;
        !            31:        char    size0;
        !            32:        unsigned short  size1;
        !            33:        long    time;
        !            34:        unsigned short  tapea;  /* tape address */
        !            35:        short   unused[8];
        !            36:        short   cksum;
        !            37: }      tpentry[TPB];
        !            38: 
        !            39: struct dent {  /* in core version of tent with "unused" removed
        !            40:                 * and pathname replaced by pointer to same in a
        !            41:                 * packed area (nameblock).
        !            42:                 */
        !            43:        char    *d_namep;
        !            44:        int     d_mode;
        !            45:        int     d_uid;
        !            46:        int     d_gid;
        !            47:        long    d_size;
        !            48:        long    d_time;
        !            49:        int     d_tapea;
        !            50: }  dir[MDIRENT];
        !            51: 
        !            52: char   map[MAPSIZE];
        !            53: char   name[NAMELEN];
        !            54: char   name1[NAMELEN];
        !            55: extern char mt[];
        !            56: extern char tc[];
        !            57: char   *tname;
        !            58: extern char mheader[];
        !            59: extern char theader[];
        !            60: 
        !            61: int    narg, rnarg;
        !            62: char   **parg;
        !            63: int    wseeka,rseeka;
        !            64: int    tapsiz;
        !            65: int    fio;
        !            66: short  ndirent, ndentb;
        !            67: struct dent    *edir;
        !            68: struct dent *lastd;            /* for improvement */
        !            69: char   *sbrk();
        !            70: char   *strcpy();
        !            71: long   lseek();
        !            72: int    (*command)();
        !            73: 
        !            74: char   *nameblk;
        !            75: char   *top;
        !            76: char   *nptr;
        !            77: 
        !            78: extern int     flags;
        !            79: #define        flc     0001
        !            80: #define        fli     0004
        !            81: #define        flm     0010
        !            82: #define        flu     0020
        !            83: #define        flv     0040
        !            84: #define        flw     0100
        !            85: #define fls    0200

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