How to know it is iphone 3G or iphone 3GS?

Question

Any API? I tried UIDevice, but I can only get the OS version.
How to know it is 3G or 3GS?

Answer 1

or
#import "UIDevicemachine.h"
#include <sys/types.h>
#include <sys/sysctl.h>
@implementation UIDevice(machine)
- (NSString *)machine
size_t size;
sysctlbyname("hw.machine", NULL, &size, NULL, 0);
char *name = malloc(size);
sysctlbyname("hw.machine", name, &size, NULL, 0);
NSString *machine = [NSString stringWithCString:name];
free(name);
return machine;
@end
Line: -----
#import "UIDevice+machine.h"
if ( [[UIDevice currentDevice] machine] == "i386" )
//this is simulator
do some code
else
if ( [[UIDevice currentDevice] machine] == " iPhone1,1" )
//this is iPhone 2G
do some code
else
if ( [[UIDevice currentDevice] machine] == "iPhone1,2" )
//this is iPhone 3G
do some code
else
if ( [[UIDevice currentDevice] machine] == "iPhone2,1" )
//this is iPhone 3GS
do some code
else if ( [[UIDevice currentDevice] machine] == "iPod1,1" )
//this is iPod Touch 1 gen
do some code
else if ( [[UIDevice currentDevice] machine] == "iPod2,1" )
//this is iPod Touch 2 gen
do some code
else if ( [[UIDevice currentDevice] machine] == "iPod3,1" )
//this is iPod Touch 3 gen
do some code