1Wrappers for framework 'SystemConfiguration'. 
2
3These wrappers don't include documentation, please check Apple's documention
4for information on how to use this framework and PyObjC's documentation
5for general tips and tricks regarding the translation between Python
6and (Objective-)C frameworks
7
8NOTE: all callback registriation APIs, such as SCNetworkReachabilitySetCallback, have a 
9single python object as the 'info' instead of the structure that is used in Obejctive-C
10
11Another magic value: kSCNetworkInterfaceIPv4
12