code: def parse_c(source):
      """Function for converting a C source code
  
      The function reads the source code present in the given file and parses it
      to give out SymPy Expressions
  
      Returns
      =======
  
      src : list
          List of Python expression strings
  
      """
      converter = CCodeConverter()
      if os.path.exists(source):
          src = converter.parse(source, flags=[])
      else:
          src = converter.parse_str(source, flags=[])
      return src
  
label_desc: Use image node_id 1 for calling a global function with example usage: parse_c(source) and returns: src