code: def main():
      prefix_suffix = os.environ.pop("WINEPREFIX_SUFFIX", None)
      if prefix_suffix is not None:
          prefix = os.environ.pop("WINEPREFIX", None)
          if prefix is not None:
              os.environ["WINEPREFIX"] = os.path.join(
                  prefix, prefix_suffix
              )
  
      # just in case
      signal.alarm(2000)
  
      if sys.argv[2] == "slave":
          func = run_slave
      else:
          func = run_main
  
      try:
          try:
              sys.exit(func())
          finally:
              terminate_slaves()
      except KeyboardInterrupt:
          sys.exit(4)
      except Exception as e:
          print >> sys.stderr, str(e)
  
          sys.exit(3)
  
imports: import sys
  import os
  import re
  import subprocess
  import signal
  import time
  import json
  import argparse
  import errno
  import process_command_files
  import process_whole_archive_option
label_desc: Use image node_id 22 for calling a global function with example usage: main() without return types