code: def func_set_nncr_support():
      func_list = []
      for cat, cat_info in _nnabla_func_info.items():
          for func, func_info in cat_info.items():
              if (
                  "c_runtime" in func_info
                  and func_info["c_runtime"] == "support"
              ):
                  func_list.append(func)
      return set(func_list)
  
imports: import pickle
  import zlib
  from collections import OrderedDict
  from os.path import abspath, join, dirname, expanduser
  import glob
  import os
  import yaml
  import certifi
  import ssl
  from nnabla.utils import nnabla_pb2
  from nnabla.logger import logger
label_desc: Use image node_id 22 for calling a global function with example usage: func_set_nncr_support() and returns: set