マクロ定数　擬似的に定数を宣言できる

[php]
#import "ViewController.h"
// #defineの定数定義
#define POINT 100
#define URL @"kdsoaa.co.jp"

@interface ViewController ()

@end

@implementation ViewController

– (void)viewDidLoad
{
[super viewDidLoad];
// Do any additional setup after loading the view, typically from a nib.

NSLog(@"ポイントは %d, URLは %@",POINT, URL);

}
[/php]