code: def get_pid(name):
      try:
          output = check_output(["pgrep", name])
          return int(output)
      except:
          return None
  
imports: import ctypes
  from subprocess import check_output
  from hexdump import hexdump
  from ctypes.util import find_library
label_desc: Use image node_id 1 for calling a global function with example usage: get_pid(name) and returns: int, None