1 #define A 12 #define B 2

1 #import "myhead.h"

1 #ifdef __OBJC__2 3 #import <Foundation/Foundation.h>4 #import <UIKit/UIKit.h>5 6 #endif

 1 #ifdef __OBJC__ 2  3 #import <Foundation/Foundation.h> 4 #import <UIKit/UIKit.h> 5  6 #ifdef DEBUG 7 #define MyNSLog(...) NSLog(__VA_ARGS__) 8 #else 9 #define MyNSLog(...)10 #endif11 12 #endif

1     MyNSLog(@"測試 %d - %d", A, B);