text: #ifndef RulesInstructionSurfaceDefined
  #define RulesInstructionSurfaceDefined
  
  struct InstructionRuleSUST;
  extern InstructionRuleSUST IRSUST;
  
  struct InstructionRuleSUEAU;
  extern InstructionRuleSUEAU IRSUEAU;
  
  struct InstructionRuleSUBFM;
  extern InstructionRuleSUBFM IRSUBFM;
  
  struct InstructionRuleSUCLAMP;
  extern InstructionRuleSUCLAMP IRSUCLAMP;
  
  #endif
  