text: //
  //  networkSpead.h
  //  测试网速
  //
  //  Created by WangJiadong on 2016/12/27.
  //  Copyright © 2016年 WangJiadong. All rights reserved.
  //
  
  #import <Foundation/Foundation.h>
  
  @interface networkSpeed : NSObject
  - (long long)getInternetface;
  - (long long) getInterfaceBytes;
  + (long long)getInternetface;
  + (long long) getInterfaceBytes;
  @end
  