2 files changed, 11 insertions, 1 deletions
diff --git a/test/pp.c b/test/pp.c
index 0c199dc..ee4b98a 100644
--- a/test/pp.c
+++ b/test/pp.c
@@ -1,8 +1,10 @@
 
 #include "pp.h"
+#include "pp.h"
+
 int
 main(void)
 {
    hi();
-   return Foo;
+   return Foo + Bar;
 }
diff --git a/test/pp.h b/test/pp.h
index 69da492..80042fd 100644
--- a/test/pp.h
+++ b/test/pp.h
@@ -1,6 +1,14 @@
+#ifndef GUARD
+#define GUARD
+
 extern warnhere();
 #define Foo 9
 void hi() {
    extern int printf();
    printf("hi from header\n");
 }
+
+#elifndef Ww
+#define Bar 7
+
+#endif