code: def ffi() -> cffi.FFI:
      """
      Return a FFI object supporting C Data Interface types.
      """
      ffi = cffi.FFI()
      ffi.cdef(_c_data_decls)
      return ffi
  
file_path: arrow/dev/archery/archery/integration/cdata.py
imports: import cffi
  from contextlib import contextmanager
  import functools
  import os
  import sys
  from .tester import CDataExporter, CDataImporter
label_desc: Use image node_id 1 for calling a global function with example usage: ffi() and returns: ffi