1 files changed, 22 insertions, 0 deletions
diff --git a/test cases/rust/16 internal c dependencies/lib.h b/test cases/rust/16 internal c dependencies/lib.h
new file mode 100644
index 0000000..847bd16
--- /dev/null
+++ b/test cases/rust/16 internal c dependencies/lib.h
@@ -0,0 +1,22 @@
+#pragma once
+
+#if defined _WIN32 || defined __CYGWIN__
+  #if defined BUILDING_ADDER
+    #define DLL_PUBLIC __declspec(dllexport)
+  #else
+    #define DLL_PUBLIC __declspec(dllimport)
+  #endif
+#else
+  #if defined __GNUC__
+    #if defined BUILDING_ADDER
+      #define DLL_PUBLIC __attribute__ ((visibility("default")))
+    #else
+      #define DLL_PUBLIC
+    #endif
+  #else
+    #pragma message("Compiler does not support symbol visibility.")
+    #define DLL_PUBLIC
+  #endif
+#endif
+
+DLL_PUBLIC void c_func(void);