code: def _allow_CTRL_C_posix():
      """Take CTRL+C into account (SIGINT)."""
      signal.signal(signal.SIGINT, signal.default_int_handler)
  
imports: import os
  import platform
  import sys
  from distutils.version import LooseVersion
  from warnings import warn
label_desc: Use image node_id 6 for calling a global function with example usage: _allow_CTRL_C_posix() without return types