+void repository (int cmd, const char *rep, const char *base_path);
+
+void file_extract (int cmd, const char *fname, const char *kname);
+
+void key_open (const char *fname);
+int key_close (void);
+void key_flush (void);
+void key_write (int cmd, struct it_key *k, const char *str);
+int key_compare (const void *p1, const void *p2);
+int key_compare_x (const struct it_key *i1, const struct it_key *i2);
+void key_input (const char *dict_fname, const char *isam_fname,
+ const char *key_fname, int cache);
+int key_sort (const char *key_fname, size_t mem);