Msr interface.h

  #ifndef MSR_INTERFACE_H_
  #define MSR_INTERFACE_H_
  
  #ifdef __cplusplus
  extern "C"
  {
  #endif
  
  typedef void (*msr_notifier)(void* pUserData);
  
  typedef int (*msr_open)(void);
  typedef int (*msr_close)(void);
  typedef int (*msr_register_notifier)(msr_notifier notifier, void* pUserData);
  typedef int (*msr_unregister_notifier)();
  typedef int (*msr_get_track_error)(int nTrackIndex);
  typedef int (*msr_get_track_data_length)(int nTrackIndex);
  typedef int (*msr_get_track_data)(int nTrackIndex, unsigned char* pTrackData, int nLength);
  
  #ifdef __cplusplus
  }
  #endif
  
  #endif /* MSR_INTERFACE_H_ */