Detect CPU model on an iPhone

ViewController.m

//  Replace ViewController.m with this in a new "Single View Application"

#include <sys/sysctl.h>

#import "ViewController.h"

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];

    size_t size;
    sysctlbyname("hw.model", NULL, &size, NULL, 0);
    char *value = malloc(size);
    sysctlbyname("hw.model", value, &size, NULL, 0);
    NSLog(@"%s", value);
    free(value);
}

@end