- //private:
- //data_block(); // Private constructor!
-
-public:
- data_block(tape_block&);
- ~data_block();
-
-virtual int get_type();
-virtual int get_subtype();
+ friend tape_block * tape_block::gen_from_fd(int,void(*)(void*),
+ void(*)(void*),void*);
+private:
+ data_block(tape_block&);