摘要：#import NSArray *ifs = (__bridge_transfer id)CNCopySupportedInterfaces(); NSLog(@"Supported interfaces: %@", ifs); id info = nil; for (NSString *ifnam in ifs) { info = (__bridge_transfer id)CNCopyCurrentNetworkInfo((__bridge CFStringRef)ifnam); NSLog(@"%@ => %@", ifnam, info); 阅读全文