tidying

diff --git a/src/src/os.c b/src/src/os.c
index d300c3f68349f8d2d395902d5ab5a91d082d0ddd..6eadc38b15833d3223629fea92ba9e4663a9b3f5 100644 (file)
--- a/src/src/os.c
+++ b/src/src/os.c
@@ -6,9 +6,14 @@
 /* See the file NOTICE for conditions of use and distribution. */
 
 #ifdef STAND_ALONE
-#include <signal.h>
-#include <stdio.h>
-#include <time.h>
+# include <signal.h>
+# include <stdio.h>
+# include <time.h>
+#endif
+
+#ifndef CS
+# define CS (char *)
+# define US (unsigned char *)
 #endif
 
 /* This source file contains "default" system-dependent functions which