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-rw-r--r--src/src/os.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/src/src/os.c b/src/src/os.c
index d300c3f68..6eadc38b1 100644
--- 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