code: def find_library(name, cached=True, internal=True):
      
  
      # a new one
      if not cached:
          return cdll.LoadLibrary(_so_mapping[name])
  
      # from the shared internal set or a new one
      if internal:
          if name not in _internal:
              _internal[name] = cdll.LoadLibrary(_so_mapping[name])
          return _internal[name]
  
      # a shared one
      return getattr(cdll, _so_mapping[name])
docs: cached: Return a new instance
          internal: return a shared instance that's not the ctypes cached one