--- zoo-2.10.orig/sysv.c	Fri Jul  5 11:00:00 1991
+++ zoo-2.10/sysv.c	Mon Oct  9 12:58:08 2000
@@ -63,9 +63,11 @@
    return (fname); /* default is no-op */
 }
 
+#ifndef _H_TIME
 extern long timezone;   /* defined by library routine */
 long time ();
 struct tm *localtime ();
+#endif
 
 /* Function gettz(), returns the offset from GMT in seconds of the
 local time, taking into account daylight savings time */