Remove unused variables. int -> size_t for lenghts.

usr.sbin/ypserv/yp_dnslookup.c

@@ -68,7 +68,8 @@ static char *
 parse(struct hostent *hp)
 {
 	static char result[MAXHOSTNAMELEN * 2];
-	int len,i;
+	int i;
+	size_t len;
 	char addr[46];
 
 	if (hp == NULL)
@@ -346,7 +347,6 @@ yp_run_dnsq(void)
 {
 	register struct circleq_dnsentry *q;
 	char buf[sizeof(HEADER) + MAXPACKET];
-	char retrybuf[MAXHOSTNAMELEN];
 	struct sockaddr_in sin;
 	socklen_t len;
 	int rval;

usr.sbin/ypserv/yp_main.c

@@ -106,7 +106,6 @@ yp_svc_run(void)
 #else
 	int readfds;
 #endif /* def FD_SETSIZE */
-	extern int forked;
 	int fd_setsize = _rpc_dtablesize();
 	struct timeval timeout;