$NetBSD$

--- sendmail/savemail.c.orig	2020-06-08 10:35:03.000000000 +0200
+++ sendmail/savemail.c	2021-03-18 15:20:25.769900195 +0100
@@ -14,8 +14,12 @@
 #include <sendmail.h>
 
 SM_RCSID("@(#)$Id: savemail.c,v 8.319 2013-11-22 20:51:56 ca Exp $")
 
+#if NAMED_BIND
+extern struct __res_state sm_res;
+#endif
+
 static bool	errbody __P((MCI *, ENVELOPE *, char *));
 static bool	pruneroute __P((char *));
 
 /*
@@ -595,10 +599,10 @@
 	}
 	initsys(ee);
 
 #if NAMED_BIND
-	_res.retry = TimeOuts.res_retry[RES_TO_FIRST];
-	_res.retrans = TimeOuts.res_retrans[RES_TO_FIRST];
+	sm_res.retry = TimeOuts.res_retry[RES_TO_FIRST];
+	sm_res.retrans = TimeOuts.res_retrans[RES_TO_FIRST];
 #endif
 	for (q = returnq; q != NULL; q = q->q_next)
 	{
 		if (QS_IS_BADADDR(q->q_state))
