- (void)viewDidLoad{    [super viewDidLoad];    // Do any additional setup after loading the view.        NSLog(@"--self-machine-%@",[self machineName]);    }- (NSString*) machineName{    struct utsname systemInfo;    uname(&systemInfo);    NSString *result = [NSString stringWithCString:systemInfo.machine                                          encoding:NSUTF8StringEncoding];    return result;}

/* @"i386"      on the simulator @"iPod1,1"   on iPod Touch @"iPod2,1"   on iPod Touch Second Generation @"iPod3,1"   on iPod Touch Third Generation @"iPod4,1"   on iPod Touch Fourth Generation @"iPod5,1"   on iPod Touch Fifth Generation @"iPhone1,1" on iPhone @"iPhone1,2" on iPhone 3G @"iPhone2,1" on iPhone 3GS @"iPad1,1"   on iPad @"iPad2,1"   on iPad 2 @"iPad3,1"   on 3rd Generation iPad @"iPad3,2":  on iPad 3(GSM+CDMA) @"iPad3,3":  on iPad 3(GSM) @"iPad3,4":  on iPad 4(WiFi) @"iPad3,5":  on iPad 4(GSM) @"iPad3,6":  on iPad 4(GSM+CDMA) @"iPhone3,1" on iPhone 4 @"iPhone4,1" on iPhone 4S @"iPhone5,1" on iPhone 5 @"iPad3,4"   on 4th Generation iPad @"iPad2,5"   on iPad Mini @"iPhone5,1" on iPhone 5(GSM) @"iPhone5,2" on iPhone 5(GSM+CDMA) @"iPhone5,3  on iPhone 5c(GSM) @"iPhone5,4" on iPhone 5c(GSM+CDMA) @"iPhone6,1" on iPhone 5s(GSM) @"iPhone6,2" on iPhone 5s(GSM+CDMA) */