IOS How to get machine name

/*
 @"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
 @"iPhone1,1" on iPhone
 @"iPhone1,2" on iPhone 3G
 @"iPhone2,1" on iPhone 3GS
 @"iPad1,1"   on iPad
 @"iPad2,1"   on iPad 2
 @"iPhone3,1" on iPhone 4
 @"iPhone4,1" on iPhone 4S

*/
+ (NSString*) machineName {
    struct utsname systemInfo;
    uname(&systemInfo);
   
    return [NSString stringWithCString:systemInfo.machine
                              encoding:NSUTF8StringEncoding];
}

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