34 static unsigned char **t_b; // Pointers to all blocks  variable
53                if (t_b[m][b] < 255)  in memrw_fn()
54                   t_b[m][b] += differs;  in memrw_fn()
56                   t_b[m][b] = 0;  in memrw_fn()
58                differs = t_b[m][b] != prev;  in memrw_fn()
59                prev = t_b[m][b];  in memrw_fn()
122       t_b = malloc(nr_b * sizeof(char*));  in main()
123       if (t_b == NULL)  in main()
126          t_b[i] = calloc(sz_b, 1);  in main()
127          if (t_b[i] == NULL)  in main()
144          free (t_b[i]);  in main()
145       free (t_b);  in main()