fixes

src/cmd/ndb/dnsdebug.c

@@ -47,6 +47,7 @@ usage(void)
 	fprint(2, "usage: dnsdebug -rxf [-p port] [query ...]\n");
 	threadexitsall("usage");
 }
+char *portname = "domain";
 
 void
 threadmain(int argc, char *argv[])
@@ -323,7 +324,6 @@ squirrelserveraddrs(void)
 			l = &(*l)->next;
 			continue;
 		}
-		req.isslave = 1;
 		req.aborttime = now + 60;	/* don't spend more than 60 seconds */
 		*l = dnresolve(rp->host->name, Cin, Ta, &req, 0, 0, Recurse, 0, 0);
 		while(*l != nil)
@@ -427,7 +427,6 @@ doquery(char *name, char *tstr)
 	}
 
 	getactivity(&req);
-	req.isslave = 1;
 	req.aborttime = now + 60;	/* don't spend more than 60 seconds */
 	rr = dnresolve(buf, Cin, type, &req, 0, 0, Recurse, rooted, 0);
 	if(rr){

src/cmd/ndb/dnsquery.c

@@ -3,6 +3,7 @@
 #include <bio.h>
 #include <ndb.h>
 #include <thread.h>
+#include <9pclient.h>
 #include "dns.h"
 #include "ip.h"
 
@@ -14,9 +15,8 @@ usage(void)
 }
 
 void
-main(int argc, char *argv[])
+threadmain(int argc, char *argv[])
 {
-	char *dns;
 	CFid *fd;
 	int n, len;
 	Biobuf in;

src/cmd/ndb/dnstcp.c

@@ -27,11 +27,16 @@ char	*LOG;
 char	*zonerefreshprogram;
 char	*portname = "domain";
 
+void
+usage(void)
+{
+	fprint(2, "usage: dnstcp [-dr] [-f dbfile]\n");
+	threadexitsall("usage");
+}
+
 void
 threadmain(int argc, char *argv[])
 {
-	char *ext = "";
-
 	ARGBEGIN{
 	default:
 		usage();
@@ -46,6 +51,9 @@ threadmain(int argc, char *argv[])
 		break;
 	}ARGEND
 
+	if(argc)
+		usage();
+
 	if(debug < 2)
 		debug = 0;