text: #ifndef _TNG_MODEL_IMP_MAC_H_
  #define _TNG_MODEL_IMP_MAC_H_
  
  #ifdef _WIN32
  #ifdef plugin_model_imp_EXPORTS
  #define MODEL_API		__declspec(dllexport)
  #define MODEL_FUNC_API	extern "C" __declspec( dllexport )
  #define MODEL_GLOBAL_API	extern __declspec( dllexport )
  #elif defined(_LIB)
  #define MODEL_API
  #define MODEL_FUNC_API	extern "C"
  #define MODEL_GLOBAL_API 	extern
  #else
  #define MODEL_API		__declspec( dllimport )
  #define MODEL_FUNC_API	extern "C" __declspec( dllimport )
  #define MODEL_GLOBAL_API	extern __declspec( dllimport )
  #endif// 
  #else
  #ifdef plugin_model_imp_EXPORTS
  #define MODEL_API			__attribute__ ((visibility("default")))
  #define MODEL_FUNC_API		__attribute__ ((visibility("default")))
  #define MODEL_GLOBAL_API		__attribute__ ((visibility("default")))
  #elif defined(_LIB)
  #define MODEL_API
  #define MODEL_FUNC_API	extern "C"
  #define MODEL_GLOBAL_API 	extern
  #else
  #define MODEL_API
  #define MODEL_FUNC_API
  #define MODEL_GLOBAL_API
  #endif
  #endif//  
  
  
  #endif