parameters: (name)
return_statement: return None if ret.value is None else py_str(ret.value)
docstring: Get the setting of an environment variable from the C Runtime.
  
      Parameters
      ----------
      name : string type
          The environment variable name
  
      Returns
      -------
      value : string
          The value of the environment variable, or None if not set
docstring_summary: Get the setting of an environment variable from the C Runtime.
docstring_tokens: Get the setting of an environment variable from the C Runtime .
function: def getenv(name):
      """Get the setting of an environment variable from the C Runtime.
  
      Parameters
      ----------
      name : string type
          The environment variable name
  
      Returns
      -------
      value : string
          The value of the environment variable, or None if not set
      """
      ret = ctypes.c_char_p()
      check_call(_LIB.MXGetEnv(c_str(name), ctypes.byref(ret)))
      return None if ret.value is None else py_str(ret.value)
function_tokens: def getenv ( name ) : ret = ctypes . c_char_p ( ) check_call ( _LIB . MXGetEnv ( c_str ( name ) , ctypes . byref ( ret ) ) ) return None if ret . value is None else py_str ( ret . value )