--- nstxd.c.orig
+++ nstxd.c
@@ -67,7 +67,7 @@
 }
 
 int main (int argc, char *argv[]) {
-   char		 ch;
+   signed char	 ch;
    const char	*device = NULL, *dir = NULL;
    in_addr_t	 bindto = INADDR_ANY;
    uid_t	 uid = 0;
@@ -172,7 +172,7 @@
    dns_setid(pkt, q->id);
    dns_settype(pkt, DNS_RESPONSE);
    dns_addanswer(pkt, "\xb4\x00\x00\x00", 4, dns_addquery(pkt, q->name));
-   buf = dns_constructpacket (pkt, &len);
+   buf = (char*)dns_constructpacket (pkt, &len);
    sendns(buf, len, &q->peer);
    free(buf);
 }  
@@ -188,7 +188,7 @@
    
    if (msg) {
      if (msg->src == FROMNS) {
-	pkt = dns_extractpkt(msg->data, msg->len);
+	pkt = dns_extractpkt((unsigned char*)msg->data, msg->len);
 	if (pkt)
 	  {
 	     name = dns_getquerydata(pkt);
@@ -198,7 +198,7 @@
 			name);
 		  queueitem(pkt->id, name, &msg->peer);
 		  if ((data = dns_fqdn2data(name)) &&
-		      (buf = nstx_decode(data, &len)))
+		      (buf = nstx_decode((unsigned char*)data, &len)))
 		    {
 		       nstx_handlepacket(buf, len, &sendtun);
 		    }
@@ -220,7 +220,7 @@
       len = dns_getfreespace(pkt, DNS_RESPONSE);
       buf = dequeue_senditem(&len);
       dns_addanswer(pkt, buf, len, link);
-      buf = dns_constructpacket(pkt, &len);
+      buf = (char*)dns_constructpacket(pkt, &len);
       sendns(buf, len, &qitem->peer);
    }
    timeoutqueue(do_timeout);