def read_tag_info(fid):
 tag = _read_tag_header(fid)
 if (tag is None):
  return None
 if (tag.next == 0):
  fid.seek(tag.size, 1)
 elif (tag.next > 0):
  fid.seek(tag.next, 0)
 return tag

def read_tag_info ( fid ) : tag = _read_tag_header ( fid ) if ( tag is None ) : return None if ( tag . next == 0 ) : fid . seek ( tag . size , 1 ) elif ( tag . next > 0 ) : fid . seek ( tag . next , 0 ) return tag
read tag info .