text: /*
   *	CBDefines.h
   *	CoreBluetooth
   *
   *	Copyright 2011 Apple, Inc. All rights reserved.
   */
  
  #ifndef CB_EXTERN
  #ifdef __cplusplus
  #define CB_EXTERN extern "C" __attribute__((visibility ("default")))
  #else
  #define CB_EXTERN extern __attribute__((visibility ("default")))
  #endif
  #endif
  
  #define CB_EXTERN_CLASS __attribute__((visibility("default")))