+# if defined (__BORLANDC__)
+# if (__BORLANDC__ >= 0x0500) && defined (WIN32)
+# include <windows.h>
+# define ZEXPORT __declspec(dllexport) WINAPI
+# define ZEXPORTRVA __declspec(dllexport) WINAPIV
+# else
+# if defined (_Windows) && defined (__DLL__)
+# define ZEXPORT _export
+# define ZEXPORTVA _export
+# endif
+# endif
+# endif
+#endif
+
+#if defined (__BEOS__)
+# if defined (ZLIB_DLL)
+# define ZEXTERN extern __declspec(dllexport)