text: #ifndef BUZZ_UTILITY_H
  #define BUZZ_UTILITY_H
  extern int buzz_listen(const char* type,
                         int msg_size);
  
  extern int buzz_script_set(const char* bo_filename,
                             const char* bdbg_filename);
  
  extern void buzz_script_step();
  
  extern void buzz_script_destroy();
  
  extern int buzz_script_done();
  
  #endif
  
  