Work in progres, please take a look and give early feedback if this is the way we want to structure…

src/vm/ffi.h

Index: src/vm/ffi.h
diff --git a/src/vm/ffi.h b/src/vm/ffi.h
index b25aa92108fe4ba361cba365af0fd65d9863cc84..e6f03291ce27b4597da065618c164cc07326a0f9 100644
--- a/src/vm/ffi.h
+++ b/src/vm/ffi.h
@@ -24,6 +24,17 @@ class ForeignFunctionInterface {
   static Mutex* mutex_;
 };
 
+// Platform specific ffi constants and methods.
+class ForeignUtils {
+ public:
+  // We construct default bundle library paths from a prefix and a postfix.
+  static const char* kLibBundlePrefix;
+  static const char* kLibBundlePostfix;
+
+  // In preparation of supporting windows we have a function for this.
+  static char* DirectoryName(char* path);
+};
+
 }  // namespace fletch
 
 #endif  // SRC_VM_FFI_H_