initial

vnproglib/c/include/vn/util/export.h

@@ -0,0 +1,16 @@
+#ifndef VNEXPORT_H_INCLUDED
+#define VNEXPORT_H_INCLUDED
+
+/* Not only does this have to be windows to use __declspec */
+/* it also needs to actually be outputting a DLL */
+#if defined _WINDOWS && defined _WINDLL
+	#if proglib_c_EXPORTS
+		#define DllExport __declspec(dllexport)
+	#else
+		#define DllExport __declspec(dllimport)
+	#endif
+#else
+	#define DllExport
+#endif
+
+#endif