Add support for arr[const 10] in function declarations too;

and move tests around.
diff --git a/z.py b/z.py
index 0b72b81..098081d 100644
--- a/z.py
+++ b/z.py
@@ -76,15 +76,8 @@
 
 if __name__ == "__main__":
     source_code = r'''
-    typedef struct
-    {
-    int number;
-    }Number;
 
-    struct XYZ
-    {
-    Number Number[10];
-    }xyz;
+void f(int x[10]);
     '''
 
     parser = CParser()