text: #ifndef OUTPUT_PORT_H
  #define OUTPUT_PORT_H
  
  #include "AST/SchemeObject.h"
  #include <cstdio>
  
  namespace Scheme {
      class OutputPort : public SchemeObject {
      private:
          FILE* out_;
  
      public:
          OutputPort(FILE* out);
          virtual ~OutputPort();
          FILE* getOutputStream() const;
          int closeOutputStream();
      };
  }
  
  #endif // OUTPUT_PORT_H
  