--- /dev/null
+#ifndef DATA_BLOCK_2_H
+#define DATA_BLOCK_2_H
+
+#include <vector>
+#include <string>
+
+#include "data_block.hh"
+
+/*!
+ *\brief Class for block type (2).
+ */
+class data_block_2
+ : public data_block
+{
+ friend tape_block * tape_block::gen_from_fd(int,void(*)(void*),
+ void(*)(void*),void*);
+protected:
+ data_block_2(data_block&);
+
+public:
+ vector<string> get_description();
+};
+
+#endif
+
+