-#define OS_HEADER(module) PP_STRINGIZE(PP_CAT3(module, _, OS_ID).h)
-#define OS_CSOURCE(module) PP_STRINGIZE(PP_CAT3(module, _, OS_ID).c)
+#define OS_HEADER(module) PP_STRINGIZE(emul/PP_CAT3(module, _, OS_ID).h)
+#define OS_CSOURCE(module) PP_STRINGIZE(emul/PP_CAT3(module, _, OS_ID).c)