/*
   * datastream.h
   *
   */
  
  struct buffer_head *befs_read_datastream(struct super_block *sb,
  					 befs_data_stream * ds, befs_off_t pos,
  					 uint * off);
  
  int befs_fblock2brun(struct super_block *sb, befs_data_stream * data,
  		     befs_blocknr_t fblock, befs_block_run * run);
  
  size_t befs_read_lsymlink(struct super_block *sb, befs_data_stream * data,
  			  void *buff, befs_off_t len);
  
  befs_blocknr_t befs_count_blocks(struct super_block *sb, befs_data_stream * ds);
  
  extern const befs_inode_addr BAD_IADDR;