# cf.MINNCFM

`cf.``MINNCFM`(*arg)

  The number of chunks of memory to be kept free as a temporary work space.

  A chunk of memory is the amount of memory set by `cf.CHUNKSIZE`.

  See also

  `cf.CHUNKSIZE`

  Parameters: | arg : int, optional The number of chunks to be kept free as a temporary work space. The default is to not change the current value.
  Returns: | out: `int` The value prior to the change, or the current value if no new value was specified.
  Examples: |

      >>> cf.MINNCFM()
      10
      >>> old = cf.MINNCFM(20)
      >>> cf.MINNCFM(old)
      20
      >>> f.MINNCFM()
      10