limited variadic support

[SVN r72763]

test/test.h

@@ -19,12 +19,15 @@
 # define BEGIN typedef int BOOST_PP_CAT(test_, __LINE__)[((
 # define END )==1) ? 1 : -1];
 
+#if defined(__cplusplus)
 #include <cstdio>
-
 #if !defined(_STLP_MSVC) || _STLP_MSVC >= 1300
 namespace std { }
 using namespace std;
 #endif
+#else
+#include <stdio.h>
+#endif
 
 int main(void) {
     printf("pass " __TIME__);