def _read_assoc_file(fid):
 out = {'file_id': read_int16(fid), 'length': read_int16(fid)}
 fid.seek(32, 1)
 out['checksum'] = read_int32(fid)
 return out

def _read_assoc_file ( fid ) : out = { 'file_id' : read_int16 ( fid ) , 'length' : read_int16 ( fid ) } fid . seek ( 32 , 1 ) out [ 'checksum' ] = read_int32 ( fid ) return out
read bti pdf assocfile .