int dict_bf_touch (Dict_BFile bf, int no);
void dict_bf_flush_blocks (Dict_BFile bf, int no_to_flush);
Dict_BFile dict_bf_open (BFiles bfs, const char *name, int block_size,
int cache, int rw);
int dict_bf_close (Dict_BFile dbf);
int dict_bf_touch (Dict_BFile bf, int no);
void dict_bf_flush_blocks (Dict_BFile bf, int no_to_flush);
Dict_BFile dict_bf_open (BFiles bfs, const char *name, int block_size,
int cache, int rw);
int dict_bf_close (Dict_BFile dbf);