--- CalcEphem.c.orig	Thu Aug 15 20:41:03 2002
+++ CalcEphem.c	Thu Aug 15 20:41:23 2002
@@ -8,6 +8,7 @@
 #ifdef HAVE_CONFIG_H
 #include <config.h>
 #endif
+#include <string.h>
 
 #include "CalcEphem.h"
 #include "Moon.h"