text: #ifndef MRB_ALLEGRO4_SAMPLE
  #define MRB_ALLEGRO4_SAMPLE
  
  #include "mrb_allegro4.h"
  #include <allegro.h>
  
  extern struct RClass* class_allegro4_sample;
  SAMPLE* mrb_allegro4_sample_get_ptr(mrb_state *mrb, mrb_value sample);
  mrb_value mrb_allegro4_sample_set(mrb_state* mrb, SAMPLE* sample, mrb_bool need_dispose);
  void mrb_mruby_allegro4_sample_init(mrb_state* mrb);
  
  #endif