Assume C89.

diff --git a/lib/defines.h b/lib/defines.h
index 47d6a35..b4896fd 100644 (file)
--- a/lib/defines.h
+++ b/lib/defines.h
@@ -27,12 +27,10 @@
 # include <config.h>
 #endif
 
-#ifdef STDC_HEADERS
-# include <string.h>
-# include <stdlib.h>
-# include <stdio.h>
-# include <ctype.h>
-#endif
+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <ctype.h>
 
 #ifdef HAVE_STRINGS_H
 # include <strings.h>