+#if defined(__VISAGECPP__) && !defined(JPEGLOCAL) /* need this for /common/imagjpeg.obj but not loclly */
+/* a function called through method pointers: */
+#define METHODDEF(type) static type _Optlink
+/* a function used only in its module: */
+#define LOCAL(type) static type _Optlink
+/* a function referenced thru EXTERNs: */
+#define GLOBAL(type) type
+/* a reference to a GLOBAL function: */
+#define EXTERN(type) extern type _Optlink
+#else