initial

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

@@ -0,0 +1,19 @@
+#ifndef VNPORT_H_INCLUDED
+#define VNPORT_H_INCLUDED
+
+/** Basic portability measures. */
+
+/** VNAPI - DLL linkage specifier. */
+#ifdef _MSC_VER
+	#if VN_LINKED_AS_SHARED_LIBRARY
+		#define VNAPI __declspec(dllimport)
+	#elif VN_CREATE_SHARED_LIBRARY
+		#define VNAPI __declspec(dllexport)
+	#endif
+#endif
+
+#ifndef VNAPI
+	#define VNAPI
+#endif
+
+#endif