text: #pragma once
  #ifdef __cplusplus
  extern "C" {
  #endif 
  
  
  // reset the buffer
  void history_init();
  
  // last successfully executed command
  void history_append(const char* command);
  
  // Return the saved command
  const char* history_updown(u32 up);
  
  #ifdef __cplusplus
  }
  #endif
  