code: def run():
      dll_path = os.path.join(
          os.path.dirname(__file__), "c_lib" + get_ext_suffix()
      )
      SERVER_LIB_CTYPES = ctypes.CDLL(dll_path, ctypes.RTLD_GLOBAL)
      SERVER_LIB_CTYPES.byteps_server()
  
imports: import ctypes
  import os
  from byteps.common import get_ext_suffix
label_desc: Use image node_id 1 for calling a global function with example usage: run() without return types