diff --git a/src/arp.c b/src/arp.c
index 15683f1..6cfe014 100644
--- a/src/arp.c
+++ b/src/arp.c
@@ -28,7 +28,7 @@ struct arp_record {
   unsigned short hwlen, status;
   int family;
   unsigned char hwaddr[DHCP_CHADDR_MAX]; 
-  struct all_addr addr;
+  union all_addr addr;
   struct arp_record *next;
 };
 
@@ -52,12 +52,12 @@ static int filter_mac(int family, char *addrp, char *mac, size_t maclen, void *p
       
       if (family == AF_INET)
 	{
-	  if (arp->addr.addr.addr4.s_addr != ((struct in_addr *)addrp)->s_addr)
+	  if (arp->addr.addr4.s_addr != ((struct in_addr *)addrp)->s_addr)
 	    continue;
 	}
       else
 	{
-	  if (!IN6_ARE_ADDR_EQUAL(&arp->addr.addr.addr6, (struct in6_addr *)addrp))
+	  if (!IN6_ARE_ADDR_EQUAL(&arp->addr.addr6, (struct in6_addr *)addrp))
 	    continue;
 	}
 
@@ -95,9 +95,9 @@ static int filter_mac(int family, char *addrp, char *mac, size_t maclen, void *p
       arp->family = family;
       memcpy(arp->hwaddr, mac, maclen);
       if (family == AF_INET)
-	arp->addr.addr.addr4.s_addr = ((struct in_addr *)addrp)->s_addr;
+	arp->addr.addr4.s_addr = ((struct in_addr *)addrp)->s_addr;
       else
-	memcpy(&arp->addr.addr.addr6, addrp, IN6ADDRSZ);
+	memcpy(&arp->addr.addr6, addrp, IN6ADDRSZ);
     }
   
   return 1;
@@ -124,11 +124,11 @@ int find_mac(union mysockaddr *addr, unsigned char *mac, int lazy, time_t now)
 	    continue;
 	    
 	  if (arp->family == AF_INET &&
-	      arp->addr.addr.addr4.s_addr != addr->in.sin_addr.s_addr)
+	      arp->addr.addr4.s_addr != addr->in.sin_addr.s_addr)
 	    continue;
 	    
 	  if (arp->family == AF_INET6 && 
-	      !IN6_ARE_ADDR_EQUAL(&arp->addr.addr.addr6, &addr->in6.sin6_addr))
+	      !IN6_ARE_ADDR_EQUAL(&arp->addr.addr6, &addr->in6.sin6_addr))
 	    continue;
 	  
 	  /* Only accept positive entries unless in lazy mode. */
@@ -191,9 +191,9 @@ int find_mac(union mysockaddr *addr, unsigned char *mac, int lazy, time_t now)
       arp->hwlen = 0;
 
       if (addr->sa.sa_family == AF_INET)
-	arp->addr.addr.addr4.s_addr = addr->in.sin_addr.s_addr;
+	arp->addr.addr4.s_addr = addr->in.sin_addr.s_addr;
       else
-	memcpy(&arp->addr.addr.addr6, &addr->in6.sin6_addr, IN6ADDRSZ);
+	memcpy(&arp->addr.addr6, &addr->in6.sin6_addr, IN6ADDRSZ);
     }
 	  
    return 0;
diff --git a/src/auth.c b/src/auth.c
index 8b0e668..24ef0d7 100644
--- a/src/auth.c
+++ b/src/auth.c
@@ -18,22 +18,22 @@
 
 #ifdef HAVE_AUTH
 
-static struct addrlist *find_addrlist(struct addrlist *list, int flag, struct all_addr *addr_u)
+static struct addrlist *find_addrlist(struct addrlist *list, int flag, union all_addr *addr_u)
 {
   do {
     if (!(list->flags & ADDRLIST_IPV6))
       {
-	struct in_addr netmask, addr = addr_u->addr.addr4;
+	struct in_addr netmask, addr = addr_u->addr4;
 	
 	if (!(flag & F_IPV4))
 	  continue;
 	
 	netmask.s_addr = htonl(~(in_addr_t)0 << (32 - list->prefixlen));
 	
-	if  (is_same_net(addr, list->addr.addr.addr4, netmask))
+	if  (is_same_net(addr, list->addr.addr4, netmask))
 	  return list;
       }
-    else if (is_same_net6(&(addr_u->addr.addr6), &list->addr.addr.addr6, list->prefixlen))
+    else if (is_same_net6(&(addr_u->addr6), &list->addr.addr6, list->prefixlen))
       return list;
     
   } while ((list = list->next));
@@ -41,7 +41,7 @@ static struct addrlist *find_addrlist(struct addrlist *list, int flag, struct al
   return NULL;
 }
 
-static struct addrlist *find_subnet(struct auth_zone *zone, int flag, struct all_addr *addr_u)
+static struct addrlist *find_subnet(struct auth_zone *zone, int flag, union all_addr *addr_u)
 {
   if (!zone->subnet)
     return NULL;
@@ -49,7 +49,7 @@ static struct addrlist *find_subnet(struct auth_zone *zone, int flag, struct all
   return find_addrlist(zone->subnet, flag, addr_u);
 }
 
-static struct addrlist *find_exclude(struct auth_zone *zone, int flag, struct all_addr *addr_u)
+static struct addrlist *find_exclude(struct auth_zone *zone, int flag, union all_addr *addr_u)
 {
   if (!zone->exclude)
     return NULL;
@@ -57,7 +57,7 @@ static struct addrlist *find_exclude(struct auth_zone *zone, int flag, struct al
   return find_addrlist(zone->exclude, flag, addr_u);
 }
 
-static int filter_zone(struct auth_zone *zone, int flag, struct all_addr *addr_u)
+static int filter_zone(struct auth_zone *zone, int flag, union all_addr *addr_u)
 {
   if (find_exclude(zone, flag, addr_u))
     return 0;
@@ -113,7 +113,7 @@ size_t answer_auth(struct dns_header *header, char *limit, size_t qlen, time_t n
   struct txt_record *txt;
   struct interface_name *intr;
   struct naptr *na;
-  struct all_addr addr;
+  union all_addr addr;
   struct cname *a, *candidate;
   unsigned int wclen;
   
@@ -178,7 +178,7 @@ size_t answer_auth(struct dns_header *header, char *limit, size_t qlen, time_t n
 		struct addrlist *addrlist;
 		
 		for (addrlist = intr->addr; addrlist; addrlist = addrlist->next)
-		  if (!(addrlist->flags & ADDRLIST_IPV6) && addr.addr.addr4.s_addr == addrlist->addr.addr.addr4.s_addr)
+		  if (!(addrlist->flags & ADDRLIST_IPV6) && addr.addr4.s_addr == addrlist->addr.addr4.s_addr)
 		    break;
 		
 		if (addrlist)
@@ -193,7 +193,7 @@ size_t answer_auth(struct dns_header *header, char *limit, size_t qlen, time_t n
 		struct addrlist *addrlist;
 		
 		for (addrlist = intr->addr; addrlist; addrlist = addrlist->next)
-		  if ((addrlist->flags & ADDRLIST_IPV6) && IN6_ARE_ADDR_EQUAL(&addr.addr.addr6, &addrlist->addr.addr.addr6))
+		  if ((addrlist->flags & ADDRLIST_IPV6) && IN6_ARE_ADDR_EQUAL(&addr.addr6, &addrlist->addr.addr6))
 		    break;
 		
 		if (addrlist)
@@ -468,10 +468,10 @@ size_t answer_auth(struct dns_header *header, char *limit, size_t qlen, time_t n
 		  { 
 		    nxdomain = 0;
 		    if ((crecp->flags & flag) && 
-			(local_query || filter_zone(zone, flag, &(crecp->addr.addr))))
+			(local_query || filter_zone(zone, flag, &(crecp->addr))))
 		      {
 			*cut = '.'; /* restore domain part */
-			log_query(crecp->flags, name, &crecp->addr.addr, record_source(crecp->uid));
+			log_query(crecp->flags, name, &crecp->addr, record_source(crecp->uid));
 			*cut  = 0; /* remove domain part */
 			found = 1;
 			if (add_resource_record(header, limit, &trunc, nameoffset, &ansp, 
@@ -491,9 +491,9 @@ size_t answer_auth(struct dns_header *header, char *limit, size_t qlen, time_t n
 	    do
 	      { 
 		 nxdomain = 0;
-		 if ((crecp->flags & flag) && (local_query || filter_zone(zone, flag, &(crecp->addr.addr))))
+		 if ((crecp->flags & flag) && (local_query || filter_zone(zone, flag, &(crecp->addr))))
 		   {
-		     log_query(crecp->flags, name, &crecp->addr.addr, record_source(crecp->uid));
+		     log_query(crecp->flags, name, &crecp->addr, record_source(crecp->uid));
 		     found = 1;
 		     if (add_resource_record(header, limit, &trunc, nameoffset, &ansp, 
 					     daemon->auth_ttl, NULL, qtype, C_IN, 
@@ -580,7 +580,7 @@ size_t answer_auth(struct dns_header *header, char *limit, size_t qlen, time_t n
 
 	  if (!(subnet->flags & ADDRLIST_IPV6))
 	    {
-	      in_addr_t a = ntohl(subnet->addr.addr.addr4.s_addr) >> 8;
+	      in_addr_t a = ntohl(subnet->addr.addr4.s_addr) >> 8;
 	      char *p = name;
 	      
 	      if (subnet->prefixlen >= 24)
@@ -599,7 +599,7 @@ size_t answer_auth(struct dns_header *header, char *limit, size_t qlen, time_t n
 	      
 	      for (i = subnet->prefixlen-1; i >= 0; i -= 4)
 		{ 
-		  int dig = ((unsigned char *)&subnet->addr.addr.addr6)[i>>3];
+		  int dig = ((unsigned char *)&subnet->addr.addr6)[i>>3];
 		  p += sprintf(p, "%.1x.", (i>>2) & 1 ? dig & 15 : dig >> 4);
 		}
 	      p += sprintf(p, "ip6.arpa");
@@ -783,7 +783,7 @@ size_t answer_auth(struct dns_header *header, char *limit, size_t qlen, time_t n
 		    {
 		      char *cache_name = cache_get_name(crecp);
 		      if (!strchr(cache_name, '.') && 
-			  (local_query || filter_zone(zone, (crecp->flags & (F_IPV6 | F_IPV4)), &(crecp->addr.addr))) &&
+			  (local_query || filter_zone(zone, (crecp->flags & (F_IPV6 | F_IPV4)), &(crecp->addr))) &&
 			  add_resource_record(header, limit, &trunc, -axfroffset, &ansp, 
 					      daemon->auth_ttl, NULL, (crecp->flags & F_IPV6) ? T_AAAA : T_A, C_IN, 
 					      (crecp->flags & F_IPV4) ? "4" : "6", cache_name, &crecp->addr))
@@ -794,7 +794,7 @@ size_t answer_auth(struct dns_header *header, char *limit, size_t qlen, time_t n
 		    {
 		      strcpy(name, cache_get_name(crecp));
 		      if (in_zone(zone, name, &cut) && 
-			  (local_query || filter_zone(zone, (crecp->flags & (F_IPV6 | F_IPV4)), &(crecp->addr.addr))))
+			  (local_query || filter_zone(zone, (crecp->flags & (F_IPV6 | F_IPV4)), &(crecp->addr))))
 			{
 			  if (cut)
 			    *cut = 0;
diff --git a/src/bpf.c b/src/bpf.c
index f92fba0..982318d 100644
--- a/src/bpf.c
+++ b/src/bpf.c
@@ -42,7 +42,7 @@
 
 #ifdef HAVE_BSD_NETWORK
 static int del_family = 0;
-static struct all_addr del_addr;
+static union all_addr del_addr;
 #endif
 
 #if defined(HAVE_BSD_NETWORK) && !defined(__APPLE__)
@@ -139,7 +139,7 @@ int iface_enumerate(int family, void *parm, int (*callback)())
 	      struct in_addr addr, netmask, broadcast;
 	      addr = ((struct sockaddr_in *) addrs->ifa_addr)->sin_addr;
 #ifdef HAVE_BSD_NETWORK
-	      if (del_family == AF_INET && del_addr.addr.addr4.s_addr == addr.s_addr)
+	      if (del_family == AF_INET && del_addr.addr4.s_addr == addr.s_addr)
 		continue;
 #endif
 	      netmask = ((struct sockaddr_in *) addrs->ifa_netmask)->sin_addr;
@@ -159,7 +159,7 @@ int iface_enumerate(int family, void *parm, int (*callback)())
 	      u32 valid = 0xffffffff, preferred = 0xffffffff;
 	      int flags = 0;
 #ifdef HAVE_BSD_NETWORK
-	      if (del_family == AF_INET6 && IN6_ARE_ADDR_EQUAL(&del_addr.addr.addr6, addr))
+	      if (del_family == AF_INET6 && IN6_ARE_ADDR_EQUAL(&del_addr.addr6, addr))
 		continue;
 #endif
 #if defined(HAVE_BSD_NETWORK) && !defined(__APPLE__)
@@ -422,9 +422,9 @@ void route_sock(void)
 	       {
 		 del_family = sa->sa_family;
 		 if (del_family == AF_INET)
-		   del_addr.addr.addr4 = ((struct sockaddr_in *)sa)->sin_addr;
+		   del_addr.addr4 = ((struct sockaddr_in *)sa)->sin_addr;
 		 else if (del_family == AF_INET6)
-		   del_addr.addr.addr6 = ((struct sockaddr_in6 *)sa)->sin6_addr;
+		   del_addr.addr6 = ((struct sockaddr_in6 *)sa)->sin6_addr;
 		 else
 		   del_family = 0;
 	       }
diff --git a/src/cache.c b/src/cache.c
index 64303e3..808ee7d 100644
--- a/src/cache.c
+++ b/src/cache.c
@@ -26,7 +26,7 @@ static union bigname *big_free = NULL;
 static int bignames_left, hash_size;
 
 static void make_non_terminals(struct crec *source);
-static struct crec *really_insert(char *name, struct all_addr *addr, unsigned short class,
+static struct crec *really_insert(char *name, union all_addr *addr, unsigned short class,
 				  time_t now,  unsigned long ttl, unsigned short flags);
 
 /* type->string mapping: this is also used by the name-hash function as a mixing table. */
@@ -202,9 +202,9 @@ static void cache_hash(struct crec *crecp)
 static void cache_blockdata_free(struct crec *crecp)
 {
   if (crecp->flags & F_DNSKEY)
-    blockdata_free(crecp->addr.addr.addr.key.keydata);
+    blockdata_free(crecp->addr.key.keydata);
   else if ((crecp->flags & F_DS) && !(crecp->flags & F_NEG))
-    blockdata_free(crecp->addr.addr.addr.ds.keydata);
+    blockdata_free(crecp->addr.ds.keydata);
 }
 #endif
 
@@ -330,7 +330,7 @@ static int is_expired(time_t now, struct crec *crecp)
   return 1;
 }
 
-static struct crec *cache_scan_free(char *name, struct all_addr *addr, unsigned short class, time_t now,
+static struct crec *cache_scan_free(char *name, union all_addr *addr, unsigned short class, time_t now,
 				    unsigned short flags, struct crec **target_crec, unsigned int *target_uid)
 {
   /* Scan and remove old entries.
@@ -430,7 +430,7 @@ static struct crec *cache_scan_free(char *name, struct all_addr *addr, unsigned
 	  else if (!(crecp->flags & (F_HOSTS | F_DHCP | F_CONFIG)) &&
 		   (flags & crecp->flags & F_REVERSE) && 
 		   (flags & crecp->flags & (F_IPV4 | F_IPV6)) &&
-		   memcmp(&crecp->addr.addr, addr, addrlen) == 0)
+		   memcmp(&crecp->addr, addr, addrlen) == 0)
 	    {
 	      *up = crecp->hash_next;
 	      cache_unlink(crecp);
@@ -466,7 +466,7 @@ void cache_start_insert(void)
   insert_error = 0;
 }
 
-struct crec *cache_insert(char *name, struct all_addr *addr, unsigned short class,
+struct crec *cache_insert(char *name, union all_addr *addr, unsigned short class,
 			  time_t now,  unsigned long ttl, unsigned short flags)
 {
   /* Don't log DNSSEC records here, done elsewhere */
@@ -484,7 +484,7 @@ struct crec *cache_insert(char *name, struct all_addr *addr, unsigned short clas
 }
 
 
-static struct crec *really_insert(char *name, struct all_addr *addr, unsigned short class,
+static struct crec *really_insert(char *name, union all_addr *addr, unsigned short class,
 				  time_t now,  unsigned long ttl, unsigned short flags)
 {
   struct crec *new, *target_crec = NULL;
@@ -509,10 +509,10 @@ static struct crec *really_insert(char *name, struct all_addr *addr, unsigned sh
       if ((flags & (F_IPV4 | F_IPV6)) && (flags & F_FORWARD) && addr)
 	{
 	  if ((flags & F_IPV4) && (new->flags & F_IPV4) &&
-	      new->addr.addr.addr.addr4.s_addr == addr->addr.addr4.s_addr)
+	      new->addr.addr4.s_addr == addr->addr4.s_addr)
 	    return new;
 	  else if ((flags & F_IPV6) && (new->flags & F_IPV6) &&
-		   IN6_ARE_ADDR_EQUAL(&new->addr.addr.addr.addr6, &addr->addr.addr6))
+		   IN6_ARE_ADDR_EQUAL(&new->addr.addr6, &addr->addr6))
 	    return new;
 	}
       
@@ -557,7 +557,7 @@ static struct crec *really_insert(char *name, struct all_addr *addr, unsigned sh
 	{
 	  /* For DNSSEC records, uid holds class. */
 	  free_avail = 1; /* Must be free space now. */
-	  cache_scan_free(cache_get_name(new), &new->addr.addr, new->uid, now, new->flags, NULL, NULL);
+	  cache_scan_free(cache_get_name(new), &new->addr, new->uid, now, new->flags, NULL, NULL);
 	  daemon->metrics[METRIC_DNS_CACHE_LIVE_FREED]++;
 	}
       else
@@ -616,7 +616,7 @@ static struct crec *really_insert(char *name, struct all_addr *addr, unsigned sh
 #endif
 
   if (addr)
-    new->addr.addr = *addr;	
+    new->addr = *addr;	
 
   new->ttd = now + (time_t)ttl;
   new->next = new_chain;
@@ -665,14 +665,14 @@ void cache_end_insert(void)
 	      if (flags & F_DNSKEY)
 		{
 		  read_write(daemon->pipe_to_parent, (unsigned char *)&class, sizeof(class), 0);
-		  blockdata_write(new_chain->addr.addr.addr.key.keydata, new_chain->addr.addr.addr.key.keylen, daemon->pipe_to_parent);
+		  blockdata_write(new_chain->addr.key.keydata, new_chain->addr.key.keylen, daemon->pipe_to_parent);
 		}
 	      else if (flags & F_DS)
 		{
 		  read_write(daemon->pipe_to_parent, (unsigned char *)&class, sizeof(class), 0);
 		  /* A negative DS entry is possible and has no data, obviously. */
 		  if (!(flags & F_NEG))
-		    blockdata_write(new_chain->addr.addr.addr.ds.keydata, new_chain->addr.addr.addr.ds.keylen, daemon->pipe_to_parent);
+		    blockdata_write(new_chain->addr.ds.keydata, new_chain->addr.ds.keylen, daemon->pipe_to_parent);
 		}
 #endif
 	    }
@@ -696,7 +696,7 @@ void cache_end_insert(void)
 int cache_recv_insert(time_t now, int fd)
 {
   ssize_t m;
-  struct all_addr addr;
+  union all_addr addr;
   unsigned long ttl;
   time_t ttd;
   unsigned short flags;
@@ -736,14 +736,14 @@ int cache_recv_insert(time_t now, int fd)
 	   if (flags & F_DNSKEY)
 	     {
 	       if (!read_write(fd, (unsigned char *)&class, sizeof(class), 1) ||
-		   !(addr.addr.key.keydata = blockdata_read(fd, addr.addr.key.keylen)))
+		   !(addr.key.keydata = blockdata_read(fd, addr.key.keylen)))
 		 return 0;
 	     }
 	   else  if (flags & F_DS)
 	     {
 	        if (!read_write(fd, (unsigned char *)&class, sizeof(class), 1) ||
 		   (flags & F_NEG) ||
-		    !(addr.addr.key.keydata = blockdata_read(fd, addr.addr.key.keylen)))
+		    !(addr.key.keydata = blockdata_read(fd, addr.key.keylen)))
 		  return 0;
 	     }
 #endif
@@ -876,7 +876,7 @@ struct crec *cache_find_by_name(struct crec *crecp, char *name, time_t now, unsi
   return NULL;
 }
 
-struct crec *cache_find_by_addr(struct crec *crecp, struct all_addr *addr, 
+struct crec *cache_find_by_addr(struct crec *crecp, union all_addr *addr, 
 				time_t now, unsigned int prot)
 {
   struct crec *ans;
@@ -900,7 +900,7 @@ struct crec *cache_find_by_addr(struct crec *crecp, struct all_addr *addr,
 	   if (!is_expired(now, crecp))
 	     {      
 	       if ((crecp->flags & prot) &&
-		   memcmp(&crecp->addr.addr, addr, addrlen) == 0)
+		   memcmp(&crecp->addr, addr, addrlen) == 0)
 		 {	    
 		   if (crecp->flags & (F_HOSTS | F_DHCP | F_CONFIG))
 		     {
@@ -931,7 +931,7 @@ struct crec *cache_find_by_addr(struct crec *crecp, struct all_addr *addr,
   if (ans && 
       (ans->flags & F_REVERSE) &&
       (ans->flags & prot) &&
-      memcmp(&ans->addr.addr, addr, addrlen) == 0)
+      memcmp(&ans->addr, addr, addrlen) == 0)
     return ans;
   
   return NULL;
@@ -961,7 +961,7 @@ static void add_hosts_cname(struct crec *target)
       }
 }
   
-static void add_hosts_entry(struct crec *cache, struct all_addr *addr, int addrlen, 
+static void add_hosts_entry(struct crec *cache, union all_addr *addr, int addrlen, 
 			    unsigned int index, struct crec **rhash, int hashsz)
 {
   struct crec *lookup = cache_find_by_name(NULL, cache_get_name(cache), 0, cache->flags & (F_IPV4 | F_IPV6));
@@ -972,7 +972,7 @@ static void add_hosts_entry(struct crec *cache, struct all_addr *addr, int addrl
   if (lookup && (lookup->flags & F_HOSTS))
     {
       nameexists = 1;
-      if (memcmp(&lookup->addr.addr, addr, addrlen) == 0)
+      if (memcmp(&lookup->addr, addr, addrlen) == 0)
 	{
 	  free(cache);
 	  return;
@@ -1004,7 +1004,7 @@ static void add_hosts_entry(struct crec *cache, struct all_addr *addr, int addrl
       
       for (lookup = rhash[j]; lookup; lookup = lookup->next)
 	if ((lookup->flags & cache->flags & (F_IPV4 | F_IPV6)) &&
-	    memcmp(&lookup->addr.addr, addr, addrlen) == 0)
+	    memcmp(&lookup->addr, addr, addrlen) == 0)
 	  {
 	    cache->flags &= ~F_REVERSE;
 	    break;
@@ -1026,7 +1026,7 @@ static void add_hosts_entry(struct crec *cache, struct all_addr *addr, int addrl
     }
 
   cache->uid = index;
-  memcpy(&cache->addr.addr, addr, addrlen);  
+  memcpy(&cache->addr, addr, addrlen);  
   cache_hash(cache);
   make_non_terminals(cache);
   
@@ -1088,7 +1088,7 @@ int read_hostsfile(char *filename, unsigned int index, int cache_size, struct cr
   char *token = daemon->namebuff, *domain_suffix = NULL;
   int addr_count = 0, name_count = cache_size, lineno = 0;
   unsigned short flags = 0;
-  struct all_addr addr;
+  union all_addr addr;
   int atnl, addrlen = 0;
 
   if (!f)
@@ -1107,13 +1107,13 @@ int read_hostsfile(char *filename, unsigned int index, int cache_size, struct cr
 	{
 	  flags = F_HOSTS | F_IMMORTAL | F_FORWARD | F_REVERSE | F_IPV4;
 	  addrlen = INADDRSZ;
-	  domain_suffix = get_domain(addr.addr.addr4);
+	  domain_suffix = get_domain(addr.addr4);
 	}
       else if (inet_pton(AF_INET6, token, &addr) > 0)
 	{
 	  flags = F_HOSTS | F_IMMORTAL | F_FORWARD | F_REVERSE | F_IPV6;
 	  addrlen = IN6ADDRSZ;
-	  domain_suffix = get_domain6(&addr.addr.addr6);
+	  domain_suffix = get_domain6(&addr.addr6);
 	}
       else
 	{
@@ -1246,15 +1246,15 @@ void cache_reload(void)
 #ifdef HAVE_DNSSEC
   for (ds = daemon->ds; ds; ds = ds->next)
     if ((cache = whine_malloc(SIZEOF_POINTER_CREC)) &&
-	(cache->addr.addr.addr.ds.keydata = blockdata_alloc(ds->digest, ds->digestlen)))
+	(cache->addr.ds.keydata = blockdata_alloc(ds->digest, ds->digestlen)))
       {
 	cache->flags = F_FORWARD | F_IMMORTAL | F_DS | F_CONFIG | F_NAMEP;
 	cache->ttd = daemon->local_ttl;
 	cache->name.namep = ds->name;
-	cache->addr.addr.addr.ds.keylen = ds->digestlen;
-	cache->addr.addr.addr.ds.algo = ds->algo;
-	cache->addr.addr.addr.ds.keytag = ds->keytag;
-	cache->addr.addr.addr.ds.digest = ds->digest_type;
+	cache->addr.ds.keylen = ds->digestlen;
+	cache->addr.ds.algo = ds->algo;
+	cache->addr.ds.keytag = ds->keytag;
+	cache->addr.ds.digest = ds->digest_type;
 	cache->uid = ds->class;
 	cache_hash(cache);
 	make_non_terminals(cache);
@@ -1277,7 +1277,7 @@ void cache_reload(void)
 	    cache->name.namep = nl->name;
 	    cache->ttd = hr->ttl;
 	    cache->flags = F_HOSTS | F_IMMORTAL | F_FORWARD | F_REVERSE | F_IPV4 | F_NAMEP | F_CONFIG;
-	    add_hosts_entry(cache, (struct all_addr *)&hr->addr, INADDRSZ, SRC_CONFIG, (struct crec **)daemon->packet, revhashsz);
+	    add_hosts_entry(cache, (union all_addr *)&hr->addr, INADDRSZ, SRC_CONFIG, (struct crec **)daemon->packet, revhashsz);
 	  }
 
 	if (!IN6_IS_ADDR_UNSPECIFIED(&hr->addr6) &&
@@ -1286,7 +1286,7 @@ void cache_reload(void)
 	    cache->name.namep = nl->name;
 	    cache->ttd = hr->ttl;
 	    cache->flags = F_HOSTS | F_IMMORTAL | F_FORWARD | F_REVERSE | F_IPV6 | F_NAMEP | F_CONFIG;
-	    add_hosts_entry(cache, (struct all_addr *)&hr->addr6, IN6ADDRSZ, SRC_CONFIG, (struct crec **)daemon->packet, revhashsz);
+	    add_hosts_entry(cache, (union all_addr *)&hr->addr6, IN6ADDRSZ, SRC_CONFIG, (struct crec **)daemon->packet, revhashsz);
 	  }
       }
 	
@@ -1320,7 +1320,7 @@ struct in_addr a_record_from_hosts(char *name, time_t now)
   
   while ((crecp = cache_find_by_name(crecp, name, now, F_IPV4)))
     if (crecp->flags & F_HOSTS)
-      return *(struct in_addr *)&crecp->addr;
+      return crecp->addr.addr4;
 
   my_syslog(MS_DHCP | LOG_WARNING, _("No IPv4 address found for %s"), name);
   
@@ -1379,7 +1379,7 @@ static void add_dhcp_cname(struct crec *target, time_t ttd)
 }
 
 void cache_add_dhcp_entry(char *host_name, int prot,
-			  struct all_addr *host_address, time_t ttd) 
+			  union all_addr *host_address, time_t ttd) 
 {
   struct crec *crec = NULL, *fail_crec = NULL;
   unsigned short flags = F_IPV4;
@@ -1403,7 +1403,7 @@ void cache_add_dhcp_entry(char *host_name, int prot,
 	    my_syslog(MS_DHCP | LOG_WARNING, 
 		      _("%s is a CNAME, not giving it to the DHCP lease of %s"),
 		      host_name, daemon->addrbuff);
-	  else if (memcmp(&crec->addr.addr, host_address, addrlen) == 0)
+	  else if (memcmp(&crec->addr, host_address, addrlen) == 0)
 	    in_hosts = 1;
 	  else
 	    fail_crec = crec;
@@ -1423,7 +1423,7 @@ void cache_add_dhcp_entry(char *host_name, int prot,
   /* Name in hosts, address doesn't match */
   if (fail_crec)
     {
-      inet_ntop(prot, &fail_crec->addr.addr, daemon->namebuff, MAXDNAME);
+      inet_ntop(prot, &fail_crec->addr, daemon->namebuff, MAXDNAME);
       my_syslog(MS_DHCP | LOG_WARNING, 
 		_("not giving name %s to the DHCP lease of %s because "
 		  "the name exists in %s with address %s"), 
@@ -1432,12 +1432,12 @@ void cache_add_dhcp_entry(char *host_name, int prot,
       return;
     }	  
   
-  if ((crec = cache_find_by_addr(NULL, (struct all_addr *)host_address, 0, flags)))
+  if ((crec = cache_find_by_addr(NULL, (union all_addr *)host_address, 0, flags)))
     {
       if (crec->flags & F_NEG)
 	{
 	  flags |= F_REVERSE;
-	  cache_scan_free(NULL, (struct all_addr *)host_address, C_IN, 0, flags, NULL, NULL);
+	  cache_scan_free(NULL, (union all_addr *)host_address, C_IN, 0, flags, NULL, NULL);
 	}
     }
   else
@@ -1455,7 +1455,7 @@ void cache_add_dhcp_entry(char *host_name, int prot,
 	crec->flags |= F_IMMORTAL;
       else
 	crec->ttd = ttd;
-      crec->addr.addr = *host_address;
+      crec->addr = *host_address;
       crec->name.namep = host_name;
       crec->uid = UID_NONE;
       cache_hash(crec);
@@ -1731,20 +1731,20 @@ void dump_cache(time_t now)
 	    else if (cache->flags & F_DS)
 	      {
 		if (!(cache->flags & F_NEG))
-		  sprintf(a, "%5u %3u %3u", cache->addr.addr.addr.ds.keytag,
-			  cache->addr.addr.addr.ds.algo, cache->addr.addr.addr.ds.digest);
+		  sprintf(a, "%5u %3u %3u", cache->addr.ds.keytag,
+			  cache->addr.ds.algo, cache->addr.ds.digest);
 	      }
 	    else if (cache->flags & F_DNSKEY)
-	      sprintf(a, "%5u %3u %3u", cache->addr.addr.addr.key.keytag,
-		      cache->addr.addr.addr.key.algo, cache->addr.addr.addr.key.flags);
+	      sprintf(a, "%5u %3u %3u", cache->addr.key.keytag,
+		      cache->addr.key.algo, cache->addr.key.flags);
 #endif
 	    else if (!(cache->flags & F_NEG) || !(cache->flags & F_FORWARD))
 	      { 
 		a = daemon->addrbuff;
 		if (cache->flags & F_IPV4)
-		  inet_ntop(AF_INET, &cache->addr.addr, a, ADDRSTRLEN);
+		  inet_ntop(AF_INET, &cache->addr, a, ADDRSTRLEN);
 		else if (cache->flags & F_IPV6)
-		  inet_ntop(AF_INET6, &cache->addr.addr, a, ADDRSTRLEN);
+		  inet_ntop(AF_INET6, &cache->addr, a, ADDRSTRLEN);
 	      }
 
 	    if (cache->flags & F_IPV4)
@@ -1857,7 +1857,7 @@ char *querystr(char *desc, unsigned short type)
   return buff ? buff : "";
 }
 
-void log_query(unsigned int flags, char *name, struct all_addr *addr, char *arg)
+void log_query(unsigned int flags, char *name, union all_addr *addr, char *arg)
 {
   char *source, *dest = daemon->addrbuff;
   char *verb = "is";
@@ -1870,10 +1870,10 @@ void log_query(unsigned int flags, char *name, struct all_addr *addr, char *arg)
   if (addr)
     {
       if (flags & F_KEYTAG)
-	sprintf(daemon->addrbuff, arg, addr->addr.log.keytag, addr->addr.log.algo, addr->addr.log.digest);
+	sprintf(daemon->addrbuff, arg, addr->log.keytag, addr->log.algo, addr->log.digest);
       else if (flags & F_RCODE)
 	{
-	  unsigned int rcode = addr->addr.log.rcode;
+	  unsigned int rcode = addr->log.rcode;
 
 	   if (rcode == SERVFAIL)
 	     dest = "SERVFAIL";
diff --git a/src/conntrack.c b/src/conntrack.c
index 62e0e95..d41de54 100644
--- a/src/conntrack.c
+++ b/src/conntrack.c
@@ -24,7 +24,7 @@ static int gotit = 0; /* yuck */
 
 static int callback(enum nf_conntrack_msg_type type, struct nf_conntrack *ct, void *data);
 
-int get_incoming_mark(union mysockaddr *peer_addr, struct all_addr *local_addr, int istcp, unsigned int *markp)
+int get_incoming_mark(union mysockaddr *peer_addr, union all_addr *local_addr, int istcp, unsigned int *markp)
 {
   struct nf_conntrack *ct;
   struct nfct_handle *h;
@@ -41,14 +41,14 @@ int get_incoming_mark(union mysockaddr *peer_addr, struct all_addr *local_addr,
 	  nfct_set_attr_u8(ct, ATTR_L3PROTO, AF_INET6);
 	  nfct_set_attr(ct, ATTR_IPV6_SRC, peer_addr->in6.sin6_addr.s6_addr);
 	  nfct_set_attr_u16(ct, ATTR_PORT_SRC, peer_addr->in6.sin6_port);
-	  nfct_set_attr(ct, ATTR_IPV6_DST, local_addr->addr.addr6.s6_addr);
+	  nfct_set_attr(ct, ATTR_IPV6_DST, local_addr->addr6.s6_addr);
 	}
       else
 	{
 	  nfct_set_attr_u8(ct, ATTR_L3PROTO, AF_INET);
 	  nfct_set_attr_u32(ct, ATTR_IPV4_SRC, peer_addr->in.sin_addr.s_addr);
 	  nfct_set_attr_u16(ct, ATTR_PORT_SRC, peer_addr->in.sin_port);
-	  nfct_set_attr_u32(ct, ATTR_IPV4_DST, local_addr->addr.addr4.s_addr);
+	  nfct_set_attr_u32(ct, ATTR_IPV4_DST, local_addr->addr4.s_addr);
 	}
       
       
diff --git a/src/dbus.c b/src/dbus.c
index 753b281..c0ce903 100644
--- a/src/dbus.c
+++ b/src/dbus.c
@@ -456,7 +456,7 @@ static DBusMessage *dbus_add_lease(DBusMessage* message)
   int clid_len, hostname_len, hw_len, hw_type;
   dbus_uint32_t expires, ia_id;
   dbus_bool_t is_temporary;
-  struct all_addr addr;
+  union all_addr addr;
   time_t now = dnsmasq_time();
   unsigned char dhcp_chaddr[DHCP_CHADDR_MAX];
 
@@ -526,20 +526,20 @@ static DBusMessage *dbus_add_lease(DBusMessage* message)
 
   dbus_message_iter_get_basic(&iter, &is_temporary);
 
-  if (inet_pton(AF_INET, ipaddr, &addr.addr.addr4))
+  if (inet_pton(AF_INET, ipaddr, &addr.addr4))
     {
       if (ia_id != 0 || is_temporary)
 	return dbus_message_new_error(message, DBUS_ERROR_INVALID_ARGS,
 				      "ia_id and is_temporary must be zero for IPv4 lease");
       
-      if (!(lease = lease_find_by_addr(addr.addr.addr4)))
-    	lease = lease4_allocate(addr.addr.addr4);
+      if (!(lease = lease_find_by_addr(addr.addr4)))
+    	lease = lease4_allocate(addr.addr4);
     }
 #ifdef HAVE_DHCP6
-  else if (inet_pton(AF_INET6, ipaddr, &addr.addr.addr6))
+  else if (inet_pton(AF_INET6, ipaddr, &addr.addr6))
     {
-      if (!(lease = lease6_find_by_addr(&addr.addr.addr6, 128, 0)))
-	lease = lease6_allocate(&addr.addr.addr6,
+      if (!(lease = lease6_find_by_addr(&addr.addr6, 128, 0)))
+	lease = lease6_allocate(&addr.addr6,
 				is_temporary ? LEASE_TA : LEASE_NA);
       lease_set_iaid(lease, ia_id);
     }
@@ -570,7 +570,7 @@ static DBusMessage *dbus_del_lease(DBusMessage* message)
   DBusMessageIter iter;
   const char *ipaddr;
   DBusMessage *reply;
-  struct all_addr addr;
+  union all_addr addr;
   dbus_bool_t ret = 1;
   time_t now = dnsmasq_time();
 
@@ -584,11 +584,11 @@ static DBusMessage *dbus_del_lease(DBusMessage* message)
    
   dbus_message_iter_get_basic(&iter, &ipaddr);
 
-  if (inet_pton(AF_INET, ipaddr, &addr.addr.addr4))
-    lease = lease_find_by_addr(addr.addr.addr4);
+  if (inet_pton(AF_INET, ipaddr, &addr.addr4))
+    lease = lease_find_by_addr(addr.addr4);
 #ifdef HAVE_DHCP6
-  else if (inet_pton(AF_INET6, ipaddr, &addr.addr.addr6))
-    lease = lease6_find_by_addr(&addr.addr.addr6, 128, 0);
+  else if (inet_pton(AF_INET6, ipaddr, &addr.addr6))
+    lease = lease6_find_by_addr(&addr.addr6, 128, 0);
 #endif
   else
     return dbus_message_new_error_printf(message, DBUS_ERROR_INVALID_ARGS,
diff --git a/src/dhcp-common.c b/src/dhcp-common.c
index 78c1d9b..d1254d9 100644
--- a/src/dhcp-common.c
+++ b/src/dhcp-common.c
@@ -403,30 +403,30 @@ void dhcp_update_configs(struct dhcp_config *configs)
 		  crec = cache_find_by_name(crec, config->hostname, 0, cacheflags);
 		if (!crec)
 		  continue; /* should be never */
-		inet_ntop(prot, &crec->addr.addr, daemon->addrbuff, ADDRSTRLEN);
+		inet_ntop(prot, &crec->addr, daemon->addrbuff, ADDRSTRLEN);
 		my_syslog(MS_DHCP | LOG_WARNING, _("%s has more than one address in hostsfile, using %s for DHCP"), 
 			  config->hostname, daemon->addrbuff);
 	      }
 	    
 	    if (prot == AF_INET && 
-		(!(conf_tmp = config_find_by_address(configs, crec->addr.addr.addr.addr4)) || conf_tmp == config))
+		(!(conf_tmp = config_find_by_address(configs, crec->addr.addr4)) || conf_tmp == config))
 	      {
-		config->addr = crec->addr.addr.addr.addr4;
+		config->addr = crec->addr.addr4;
 		config->flags |= CONFIG_ADDR | CONFIG_ADDR_HOSTS;
 		continue;
 	      }
 
 #ifdef HAVE_DHCP6
 	    if (prot == AF_INET6 && 
-		(!(conf_tmp = config_find_by_address6(configs, &crec->addr.addr.addr.addr6, 128, 0)) || conf_tmp == config))
+		(!(conf_tmp = config_find_by_address6(configs, &crec->addr.addr6, 128, 0)) || conf_tmp == config))
 	      {
-		memcpy(&config->addr6, &crec->addr.addr.addr.addr6, IN6ADDRSZ);
+		memcpy(&config->addr6, &crec->addr.addr6, IN6ADDRSZ);
 		config->flags |= CONFIG_ADDR6 | CONFIG_ADDR_HOSTS;
 		continue;
 	      }
 #endif
 
-	    inet_ntop(prot, &crec->addr.addr, daemon->addrbuff, ADDRSTRLEN);
+	    inet_ntop(prot, &crec->addr, daemon->addrbuff, ADDRSTRLEN);
 	    my_syslog(MS_DHCP | LOG_WARNING, _("duplicate IP address %s (%s) in dhcp-config directive"), 
 		      daemon->addrbuff, config->hostname);
 	    
@@ -693,7 +693,7 @@ char *option_string(int prot, unsigned int opt, unsigned char *val, int opt_len,
 	    
 	    if (ot[o].size & OT_ADDR_LIST) 
 	      {
-		struct all_addr addr;
+		union all_addr addr;
 		int addr_len = INADDRSZ;
 
 #ifdef HAVE_DHCP6
diff --git a/src/dhcp.c b/src/dhcp.c
index 6689f2f..f71024d 100644
--- a/src/dhcp.c
+++ b/src/dhcp.c
@@ -310,7 +310,7 @@ void dhcp_packet(time_t now, int pxe_fd)
       parm.relay_local.s_addr = 0;
       parm.ind = iface_index;
       
-      if (!iface_check(AF_INET, (struct all_addr *)&iface_addr, ifr.ifr_name, NULL))
+      if (!iface_check(AF_INET, (union all_addr *)&iface_addr, ifr.ifr_name, NULL))
 	{
 	  /* If we failed to match the primary address of the interface, see if we've got a --listen-address
 	     for a secondary */
@@ -558,7 +558,7 @@ static int complete_context(struct in_addr local, int if_index, char *label,
     }
 
   for (relay = daemon->relay4; relay; relay = relay->next)
-    if (if_index == param->ind && relay->local.addr.addr4.s_addr == local.s_addr && relay->current == relay &&
+    if (if_index == param->ind && relay->local.addr4.s_addr == local.s_addr && relay->current == relay &&
 	(param->relay_local.s_addr == 0 || param->relay_local.s_addr == local.s_addr))
       {
 	relay->current = param->relay;
@@ -984,7 +984,7 @@ char *host_from_dns(struct in_addr addr)
   if (daemon->port == 0)
     return NULL; /* DNS disabled. */
   
-  lookup = cache_find_by_addr(NULL, (struct all_addr *)&addr, 0, F_IPV4);
+  lookup = cache_find_by_addr(NULL, (union all_addr *)&addr, 0, F_IPV4);
 
   if (lookup && (lookup->flags & F_HOSTS))
     {
@@ -1013,25 +1013,25 @@ char *host_from_dns(struct in_addr addr)
 static int  relay_upstream4(struct dhcp_relay *relay, struct dhcp_packet *mess, size_t sz, int iface_index)
 {
   /* ->local is same value for all relays on ->current chain */
-  struct all_addr from;
+  union all_addr from;
   
   if (mess->op != BOOTREQUEST)
     return 0;
 
   /* source address == relay address */
-  from.addr.addr4 = relay->local.addr.addr4;
+  from.addr4 = relay->local.addr4;
   
   /* already gatewayed ? */
   if (mess->giaddr.s_addr)
     {
       /* if so check if by us, to stomp on loops. */
-      if (mess->giaddr.s_addr == relay->local.addr.addr4.s_addr)
+      if (mess->giaddr.s_addr == relay->local.addr4.s_addr)
 	return 1;
     }
   else
     {
       /* plug in our address */
-      mess->giaddr.s_addr = relay->local.addr.addr4.s_addr;
+      mess->giaddr.s_addr = relay->local.addr4.s_addr;
     }
 
   if ((mess->hops++) > 20)
@@ -1042,7 +1042,7 @@ static int  relay_upstream4(struct dhcp_relay *relay, struct dhcp_packet *mess,
       union mysockaddr to;
       
       to.sa.sa_family = AF_INET;
-      to.in.sin_addr = relay->server.addr.addr4;
+      to.in.sin_addr = relay->server.addr4;
       to.in.sin_port = htons(daemon->dhcp_server_port);
       
       send_from(daemon->dhcpfd, 0, (char *)mess, sz, &to, &from, 0);
@@ -1050,7 +1050,7 @@ static int  relay_upstream4(struct dhcp_relay *relay, struct dhcp_packet *mess,
       if (option_bool(OPT_LOG_OPTS))
 	{
 	  inet_ntop(AF_INET, &relay->local, daemon->addrbuff, ADDRSTRLEN);
-	  my_syslog(MS_DHCP | LOG_INFO, _("DHCP relay %s -> %s"), daemon->addrbuff, inet_ntoa(relay->server.addr.addr4));
+	  my_syslog(MS_DHCP | LOG_INFO, _("DHCP relay %s -> %s"), daemon->addrbuff, inet_ntoa(relay->server.addr4));
 	}
       
       /* Save this for replies */
@@ -1070,7 +1070,7 @@ static struct dhcp_relay *relay_reply4(struct dhcp_packet *mess, char *arrival_i
 
   for (relay = daemon->relay4; relay; relay = relay->next)
     {
-      if (mess->giaddr.s_addr == relay->local.addr.addr4.s_addr)
+      if (mess->giaddr.s_addr == relay->local.addr4.s_addr)
 	{
 	  if (!relay->interface || wildcard_match(relay->interface, arrival_interface))
 	    return relay->iface_index != 0 ? relay : NULL;
diff --git a/src/dhcp6.c b/src/dhcp6.c
index f8b09e9..56b2532 100644
--- a/src/dhcp6.c
+++ b/src/dhcp6.c
@@ -371,7 +371,7 @@ static int complete_context6(struct in6_addr *local,  int prefix,
 	}
 
       for (relay = daemon->relay6; relay; relay = relay->next)
-	if (IN6_ARE_ADDR_EQUAL(local, &relay->local.addr.addr6) && relay->current == relay &&
+	if (IN6_ARE_ADDR_EQUAL(local, &relay->local.addr6) && relay->current == relay &&
 	    (IN6_IS_ADDR_UNSPECIFIED(&param->relay_local) || IN6_ARE_ADDR_EQUAL(local, &param->relay_local)))
 	  {
 	    relay->current = param->relay;
diff --git a/src/dnsmasq.c b/src/dnsmasq.c
index 5a52ea7..5806980 100644
--- a/src/dnsmasq.c
+++ b/src/dnsmasq.c
@@ -1721,12 +1721,12 @@ static void check_dns_listeners(time_t now)
 	      if ((if_index = tcp_interface(confd, tcp_addr.sa.sa_family)) != 0 &&
 		  indextoname(listener->tcpfd, if_index, intr_name))
 		{
-		  struct all_addr addr;
+		  union all_addr addr;
 		  
 		  if (tcp_addr.sa.sa_family == AF_INET6)
-		    addr.addr.addr6 = tcp_addr.in6.sin6_addr;
+		    addr.addr6 = tcp_addr.in6.sin6_addr;
 		  else
-		    addr.addr.addr4 = tcp_addr.in.sin_addr;
+		    addr.addr4 = tcp_addr.in.sin_addr;
 		  
 		  for (iface = daemon->interfaces; iface; iface = iface->next)
 		    if (iface->index == if_index)
diff --git a/src/dnsmasq.h b/src/dnsmasq.h
index f6b6b57..beff11d 100644
--- a/src/dnsmasq.h
+++ b/src/dnsmasq.h
@@ -273,28 +273,39 @@ struct event_desc {
 #define MS_DHCP   LOG_DAEMON
 #define MS_SCRIPT LOG_MAIL
 
-struct all_addr {
-  union {
-    struct in_addr addr4;
-    struct in6_addr addr6;
-    struct {
-      struct blockdata *keydata;
-      unsigned short keylen, flags, keytag;
-      unsigned char algo;
-    } key; 
-    struct {
-      struct blockdata *keydata;
-      unsigned short keylen, keytag;
-      unsigned char algo;
-      unsigned char digest; 
-    } ds;
-    /* for log_query */
-    struct {
-      unsigned short keytag, algo, digest, rcode;
-    } log;
-  } addr;
+/* Note that this is used widely as a container for IPv4/IPv6 addresses,
+   so for that reason, was well as to avoid wasting memory in almost every
+   cache entry, the other variants should not be larger than
+   sizeof(struct in6_addr) - 16 bytes.
+*/
+union all_addr {
+  struct in_addr addr4;
+  struct in6_addr addr6;
+  struct {
+    union {
+      struct crec *cache;
+      struct interface_name *int_name;
+    } target;
+    unsigned int uid; /* 0 if union is interface-name */
+  } cname;
+  struct {
+    struct blockdata *keydata;
+    unsigned short keylen, flags, keytag;
+    unsigned char algo;
+  } key; 
+  struct {
+    struct blockdata *keydata;
+    unsigned short keylen, keytag;
+    unsigned char algo;
+    unsigned char digest; 
+  } ds;
+  /* for log_query */
+  struct {
+    unsigned short keytag, algo, digest, rcode;
+  } log;
 };
 
+
 struct bogus_addr {
   struct in_addr addr;
   struct bogus_addr *next;
@@ -359,7 +370,7 @@ struct ds_config {
 #define ADDRLIST_REVONLY 4
 
 struct addrlist {
-  struct all_addr addr;
+  union all_addr addr;
   int flags, prefixlen; 
   struct addrlist *next;
 };
@@ -411,17 +422,7 @@ struct blockdata {
 
 struct crec { 
   struct crec *next, *prev, *hash_next;
-  /* union is 16 bytes when doing IPv6, 8 bytes on 32 bit machines without IPv6 */
-  union {
-    struct all_addr addr;
-    struct {
-      union {
-	struct crec *cache;
-	struct interface_name *int_name;
-      } target;
-      unsigned int uid; /* 0 if union is interface-name */
-    } cname;
-  } addr;
+  union all_addr addr;
   time_t ttd; /* time to die */
   /* used as class if DNSKEY/DS, index to source for F_HOSTS */
   unsigned int uid; 
@@ -646,7 +647,7 @@ struct hostsfile {
 
 struct frec {
   union mysockaddr source;
-  struct all_addr dest;
+  union all_addr dest;
   struct server *sentto; /* NULL means free */
   struct randfd *rfd4;
   struct randfd *rfd6;
@@ -962,7 +963,7 @@ struct tftp_prefix {
 };
 
 struct dhcp_relay {
-  struct all_addr local, server;
+  union all_addr local, server;
   char *interface; /* Allowable interface for replies from server, and dest for IPv6 multicast */
   int iface_index; /* working - interface in which requests arrived, for return */
   struct dhcp_relay *current, *next;
@@ -1128,22 +1129,22 @@ extern struct daemon {
 /* cache.c */
 void cache_init(void);
 void next_uid(struct crec *crecp);
-void log_query(unsigned int flags, char *name, struct all_addr *addr, char *arg); 
+void log_query(unsigned int flags, char *name, union all_addr *addr, char *arg); 
 char *record_source(unsigned int index);
 char *querystr(char *desc, unsigned short type);
 int cache_find_non_terminal(char *name, time_t now);
 struct crec *cache_find_by_addr(struct crec *crecp,
-				struct all_addr *addr, time_t now, 
+				union all_addr *addr, time_t now, 
 				unsigned int prot);
 struct crec *cache_find_by_name(struct crec *crecp, 
 				char *name, time_t now, unsigned int prot);
 void cache_end_insert(void);
 void cache_start_insert(void);
 int cache_recv_insert(time_t now, int fd);
-struct crec *cache_insert(char *name, struct all_addr *addr, unsigned short class, 
+struct crec *cache_insert(char *name, union all_addr *addr, unsigned short class, 
 			  time_t now, unsigned long ttl, unsigned short flags);
 void cache_reload(void);
-void cache_add_dhcp_entry(char *host_name, int prot, struct all_addr *host_address, time_t ttd);
+void cache_add_dhcp_entry(char *host_name, int prot, union all_addr *host_address, time_t ttd);
 struct in_addr a_record_from_hosts(char *name, time_t now);
 void cache_unhash_dhcp(void);
 void dump_cache(time_t now);
@@ -1170,8 +1171,8 @@ void blockdata_free(struct blockdata *blocks);
 /* domain.c */
 char *get_domain(struct in_addr addr);
 char *get_domain6(struct in6_addr *addr);
-int is_name_synthetic(int flags, char *name, struct all_addr *addr);
-int is_rev_synth(int flag, struct all_addr *addr, char *name);
+int is_name_synthetic(int flags, char *name, union all_addr *addr);
+int is_rev_synth(int flag, union all_addr *addr, char *name);
 
 /* rfc1035.c */
 int extract_name(struct dns_header *header, size_t plen, unsigned char **pp, 
@@ -1182,7 +1183,7 @@ unsigned char *skip_section(unsigned char *ansp, int count, struct dns_header *h
 unsigned int extract_request(struct dns_header *header, size_t qlen, 
 			       char *name, unsigned short *typep);
 size_t setup_reply(struct dns_header *header, size_t  qlen,
-		   struct all_addr *addrp, unsigned int flags,
+		   union all_addr *addrp, unsigned int flags,
 		   unsigned long ttl);
 int extract_addresses(struct dns_header *header, size_t qlen, char *name,
 		      time_t now, char **ipsets, int is_sign, int check_rebind,
@@ -1203,7 +1204,7 @@ int add_resource_record(struct dns_header *header, char *limit, int *truncp,
 unsigned char *skip_questions(struct dns_header *header, size_t plen);
 int extract_name(struct dns_header *header, size_t plen, unsigned char **pp, 
 		 char *name, int isExtract, int extrabytes);
-int in_arpa_name_2_addr(char *namein, struct all_addr *addrp);
+int in_arpa_name_2_addr(char *namein, union all_addr *addrp);
 int private_net(struct in_addr addr, int ban_localhost);
 
 /* auth.c */
@@ -1302,7 +1303,7 @@ unsigned char *tcp_request(int confd, time_t now,
 void server_gone(struct server *server);
 struct frec *get_new_frec(time_t now, int *wait, int force);
 int send_from(int fd, int nowild, char *packet, size_t len, 
-	       union mysockaddr *to, struct all_addr *source,
+	       union mysockaddr *to, union all_addr *source,
 	       unsigned int iface);
 void resend_query(void);
 struct randfd *allocate_rfd(int family);
@@ -1329,9 +1330,9 @@ void warn_bound_listeners(void);
 void warn_wild_labels(void);
 void warn_int_names(void);
 int is_dad_listeners(void);
-int iface_check(int family, struct all_addr *addr, char *name, int *auth);
-int loopback_exception(int fd, int family, struct all_addr *addr, char *name);
-int label_exception(int index, int family, struct all_addr *addr);
+int iface_check(int family, union all_addr *addr, char *name, int *auth);
+int loopback_exception(int fd, int family, union all_addr *addr, char *name);
+int label_exception(int index, int family, union all_addr *addr);
 int fix_fd(int fd);
 int tcp_interface(int fd, int af);
 int set_ipv6pktinfo(int fd);
@@ -1461,7 +1462,7 @@ void ubus_event_bcast(const char *type, const char *mac, const char *ip, const c
 /* ipset.c */
 #ifdef HAVE_IPSET
 void ipset_init(void);
-int add_to_ipset(const char *setname, const struct all_addr *ipaddr, int flags, int remove);
+int add_to_ipset(const char *setname, const union all_addr *ipaddr, int flags, int remove);
 #endif
 
 /* helper.c */
@@ -1474,7 +1475,7 @@ void queue_script(int action, struct dhcp_lease *lease,
 void queue_tftp(off_t file_len, char *filename, union mysockaddr *peer);
 #endif
 void queue_arp(int action, unsigned char *mac, int maclen,
-	       int family, struct all_addr *addr);
+	       int family, union all_addr *addr);
 int helper_buf_empty(void);
 #endif
 
@@ -1487,7 +1488,7 @@ int do_tftp_script_run(void);
 
 /* conntrack.c */
 #ifdef HAVE_CONNTRACK
-int get_incoming_mark(union mysockaddr *peer_addr, struct all_addr *local_addr,
+int get_incoming_mark(union mysockaddr *peer_addr, union all_addr *local_addr,
 		      int istcp, unsigned int *markp);
 #endif
 
diff --git a/src/dnssec.c b/src/dnssec.c
index 6f57765..9bf43a2 100644
--- a/src/dnssec.c
+++ b/src/dnssec.c
@@ -628,10 +628,10 @@ static int validate_rrset(time_t now, struct dns_header *header, size_t plen, in
 	{
 	  /* iterate through all possible keys 4035 5.3.1 */
 	  for (; crecp; crecp = cache_find_by_name(crecp, keyname, now, F_DNSKEY))
-	    if (crecp->addr.addr.addr.key.algo == algo && 
-		crecp->addr.addr.addr.key.keytag == key_tag &&
+	    if (crecp->addr.key.algo == algo && 
+		crecp->addr.key.keytag == key_tag &&
 		crecp->uid == (unsigned int)class &&
-		verify(crecp->addr.addr.addr.key.keydata, crecp->addr.addr.addr.key.keylen, sig, sig_len, digest, hash->digest_size, algo))
+		verify(crecp->addr.key.keydata, crecp->addr.key.keylen, sig, sig_len, digest, hash->digest_size, algo))
 	      return (labels < name_labels) ? STAT_SECURE_WILDCARD : STAT_SECURE;
 	}
     }
@@ -655,7 +655,7 @@ int dnssec_validate_by_ds(time_t now, struct dns_header *header, size_t plen, ch
   struct crec *crecp, *recp1;
   int rc, j, qtype, qclass, ttl, rdlen, flags, algo, valid, keytag;
   struct blockdata *key;
-  struct all_addr a;
+  union all_addr a;
 
   if (ntohs(header->qdcount) != 1 ||
       !extract_name(header, plen, &p, name, 1, 4))
@@ -728,10 +728,10 @@ int dnssec_validate_by_ds(time_t now, struct dns_header *header, size_t plen, ch
 	  const struct nettle_hash *hash;
 	  int sigcnt, rrcnt;
 
-	  if (recp1->addr.addr.addr.ds.algo == algo && 
-	      recp1->addr.addr.addr.ds.keytag == keytag &&
+	  if (recp1->addr.ds.algo == algo && 
+	      recp1->addr.ds.keytag == keytag &&
 	      recp1->uid == (unsigned int)class &&
-	      (hash = hash_find(ds_digest_name(recp1->addr.addr.addr.ds.digest))) &&
+	      (hash = hash_find(ds_digest_name(recp1->addr.ds.digest))) &&
 	      hash_init(hash, &ctx, &digest))
 	    
 	    {
@@ -746,9 +746,9 @@ int dnssec_validate_by_ds(time_t now, struct dns_header *header, size_t plen, ch
 	      from_wire(name);
 	      
 	      if (!(recp1->flags & F_NEG) &&
-		  recp1->addr.addr.addr.ds.keylen == (int)hash->digest_size &&
-		  (ds_digest = blockdata_retrieve(recp1->addr.addr.addr.ds.keydata, recp1->addr.addr.addr.ds.keylen, NULL)) &&
-		  memcmp(ds_digest, digest, recp1->addr.addr.addr.ds.keylen) == 0 &&
+		  recp1->addr.ds.keylen == (int)hash->digest_size &&
+		  (ds_digest = blockdata_retrieve(recp1->addr.ds.keydata, recp1->addr.ds.keylen, NULL)) &&
+		  memcmp(ds_digest, digest, recp1->addr.ds.keylen) == 0 &&
 		  explore_rrset(header, plen, class, T_DNSKEY, name, keyname, &sigcnt, &rrcnt) &&
 		  sigcnt != 0 && rrcnt != 0 &&
 		  validate_rrset(now, header, plen, class, T_DNSKEY, sigcnt, rrcnt, name, keyname, 
@@ -800,11 +800,11 @@ int dnssec_validate_by_ds(time_t now, struct dns_header *header, size_t plen, ch
 		  
 		  if ((key = blockdata_alloc((char*)p, rdlen - 4)))
 		    {
-		      a.addr.key.keylen = rdlen - 4;
-		      a.addr.key.keydata = key;
-		      a.addr.key.algo = algo;
-		      a.addr.key.keytag = keytag;
-		      a.addr.key.flags = flags;
+		      a.key.keylen = rdlen - 4;
+		      a.key.keydata = key;
+		      a.key.algo = algo;
+		      a.key.keytag = keytag;
+		      a.key.flags = flags;
 		      
 		      if (!cache_insert(name, &a, class, now, ttl, F_FORWARD | F_DNSKEY | F_DNSSECOK))
 			{
@@ -813,8 +813,8 @@ int dnssec_validate_by_ds(time_t now, struct dns_header *header, size_t plen, ch
 			}
 		      else
 			{
-			  a.addr.log.keytag = keytag;
-			  a.addr.log.algo = algo;
+			  a.log.keytag = keytag;
+			  a.log.algo = algo;
 			  if (algo_digest_name(algo))
 			    log_query(F_NOEXTRA | F_KEYTAG | F_UPSTREAM, name, &a, "DNSKEY keytag %hu, algo %hu");
 			  else
@@ -857,7 +857,7 @@ int dnssec_validate_ds(time_t now, struct dns_header *header, size_t plen, char
   int qtype, qclass, rc, i, neganswer, nons;
   int aclass, atype, rdlen;
   unsigned long ttl;
-  struct all_addr a;
+  union all_addr a;
 
   if (ntohs(header->qdcount) != 1 ||
       !(p = skip_name(p, header, plen, 4)))
@@ -925,11 +925,11 @@ int dnssec_validate_ds(time_t now, struct dns_header *header, size_t plen, char
 	      
 	      if ((key = blockdata_alloc((char*)p, rdlen - 4)))
 		{
-		  a.addr.ds.digest = digest;
-		  a.addr.ds.keydata = key;
-		  a.addr.ds.algo = algo;
-		  a.addr.ds.keytag = keytag;
-		  a.addr.ds.keylen = rdlen - 4;
+		  a.ds.digest = digest;
+		  a.ds.keydata = key;
+		  a.ds.algo = algo;
+		  a.ds.keytag = keytag;
+		  a.ds.keylen = rdlen - 4;
 
 		  if (!cache_insert(name, &a, class, now, ttl, F_FORWARD | F_DS | F_DNSSECOK))
 		    {
@@ -938,9 +938,9 @@ int dnssec_validate_ds(time_t now, struct dns_header *header, size_t plen, char
 		    }
 		  else
 		    {
-		      a.addr.log.keytag = keytag;
-		      a.addr.log.algo = algo;
-		      a.addr.log.digest = digest;
+		      a.log.keytag = keytag;
+		      a.log.algo = algo;
+		      a.log.digest = digest;
 		      if (ds_digest_name(digest) && algo_digest_name(algo))
 			log_query(F_NOEXTRA | F_KEYTAG | F_UPSTREAM, name, &a, "DS keytag %hu, algo %hu, digest %hu");
 		      else
@@ -1710,8 +1710,8 @@ static int zone_status(char *name, int class, char *keyname, time_t now)
 	  do 
 	    {
 	      if (crecp->uid == (unsigned int)class &&
-		  ds_digest_name(crecp->addr.addr.addr.ds.digest) &&
-		  algo_digest_name(crecp->addr.addr.addr.ds.algo))
+		  ds_digest_name(crecp->addr.ds.digest) &&
+		  algo_digest_name(crecp->addr.ds.algo))
 		break;
 	    }
 	  while ((crecp = cache_find_by_name(crecp, keyname, now, F_DS)));
diff --git a/src/domain.c b/src/domain.c
index 7761b26..711fe60 100644
--- a/src/domain.c
+++ b/src/domain.c
@@ -21,7 +21,7 @@ static struct cond_domain *search_domain(struct in_addr addr, struct cond_domain
 static struct cond_domain *search_domain6(struct in6_addr *addr, struct cond_domain *c);
 
 
-int is_name_synthetic(int flags, char *name, struct all_addr *addr)
+int is_name_synthetic(int flags, char *name, union all_addr *addr)
 {
   char *p;
   struct cond_domain *c = NULL;
@@ -73,7 +73,7 @@ int is_name_synthetic(int flags, char *name, struct all_addr *addr)
 		   if (!c->is6 &&
 		      index <= ntohl(c->end.s_addr) - ntohl(c->start.s_addr))
 		    {
-		      addr->addr.addr4.s_addr = htonl(ntohl(c->start.s_addr) + index);
+		      addr->addr4.s_addr = htonl(ntohl(c->start.s_addr) + index);
 		      found = 1;
 		    }
 		} 
@@ -85,8 +85,8 @@ int is_name_synthetic(int flags, char *name, struct all_addr *addr)
 		      index <= addr6part(&c->end6) - addr6part(&c->start6))
 		    {
 		      u64 start = addr6part(&c->start6);
-		      addr->addr.addr6 = c->start6;
-		      setaddr6part(&addr->addr.addr6, start + index);
+		      addr->addr6 = c->start6;
+		      setaddr6part(&addr->addr6, start + index);
 		      found = 1;
 		    }
 		}
@@ -139,16 +139,16 @@ int is_name_synthetic(int flags, char *name, struct all_addr *addr)
 	      if (prot == AF_INET)
 		{
 		  if (!c->is6 &&
-		      ntohl(addr->addr.addr4.s_addr) >= ntohl(c->start.s_addr) &&
-		      ntohl(addr->addr.addr4.s_addr) <= ntohl(c->end.s_addr))
+		      ntohl(addr->addr4.s_addr) >= ntohl(c->start.s_addr) &&
+		      ntohl(addr->addr4.s_addr) <= ntohl(c->end.s_addr))
 		    found = 1;
 		}
 	      else
 		{
-		  u64 addrpart = addr6part(&addr->addr.addr6);
+		  u64 addrpart = addr6part(&addr->addr6);
 		  
 		  if (c->is6 &&
-		      is_same_net6(&addr->addr.addr6, &c->start6, 64) &&
+		      is_same_net6(&addr->addr6, &c->start6, 64) &&
 		      addrpart >= addr6part(&c->start6) &&
 		      addrpart <= addr6part(&c->end6))
 		    found = 1;
@@ -173,18 +173,18 @@ int is_name_synthetic(int flags, char *name, struct all_addr *addr)
 }
 
 
-int is_rev_synth(int flag, struct all_addr *addr, char *name)
+int is_rev_synth(int flag, union all_addr *addr, char *name)
 {
    struct cond_domain *c;
 
-   if (flag & F_IPV4 && (c = search_domain(addr->addr.addr4, daemon->synth_domains))) 
+   if (flag & F_IPV4 && (c = search_domain(addr->addr4, daemon->synth_domains))) 
      {
        char *p;
        
        *name = 0;
        if (c->indexed)
 	 {
-	   unsigned int index = ntohl(addr->addr.addr4.s_addr) - ntohl(c->start.s_addr);
+	   unsigned int index = ntohl(addr->addr4.s_addr) - ntohl(c->start.s_addr);
 	   snprintf(name, MAXDNAME, "%s%u", c->prefix ? c->prefix : "", index);
 	 }
        else
@@ -192,7 +192,7 @@ int is_rev_synth(int flag, struct all_addr *addr, char *name)
 	   if (c->prefix)
 	     strncpy(name, c->prefix, MAXDNAME - ADDRSTRLEN);
        
-       	   inet_ntop(AF_INET, &addr->addr.addr4, name + strlen(name), ADDRSTRLEN);
+       	   inet_ntop(AF_INET, &addr->addr4, name + strlen(name), ADDRSTRLEN);
 	   for (p = name; *p; p++)
 	     if (*p == '.')
 	       *p = '-';
@@ -204,14 +204,14 @@ int is_rev_synth(int flag, struct all_addr *addr, char *name)
        return 1;
      }
 
-   if ((flag & F_IPV6) && (c = search_domain6(&addr->addr.addr6, daemon->synth_domains))) 
+   if ((flag & F_IPV6) && (c = search_domain6(&addr->addr6, daemon->synth_domains))) 
      {
        char *p;
        
        *name = 0;
        if (c->indexed)
 	 {
-	   u64 index = addr6part(&addr->addr.addr6) - addr6part(&c->start6);
+	   u64 index = addr6part(&addr->addr6) - addr6part(&c->start6);
 	   snprintf(name, MAXDNAME, "%s%llu", c->prefix ? c->prefix : "", index);
 	 }
        else
@@ -219,14 +219,14 @@ int is_rev_synth(int flag, struct all_addr *addr, char *name)
 	   if (c->prefix)
 	     strncpy(name, c->prefix, MAXDNAME - ADDRSTRLEN);
        
-	   inet_ntop(AF_INET6, &addr->addr.addr6, name + strlen(name), ADDRSTRLEN);
+	   inet_ntop(AF_INET6, &addr->addr6, name + strlen(name), ADDRSTRLEN);
 
 	   /* IPv6 presentation address can start with ":", but valid domain names
 	      cannot start with "-" so prepend a zero in that case. */
 	   if (!c->prefix && *name == ':')
 	     {
 	       *name = '0';
-	       inet_ntop(AF_INET6, &addr->addr.addr6, name+1, ADDRSTRLEN);
+	       inet_ntop(AF_INET6, &addr->addr6, name+1, ADDRSTRLEN);
 	     }
 	   
 	   /* V4-mapped have periods.... */
diff --git a/src/forward.c b/src/forward.c
index 33de2ee..1ac792b 100644
--- a/src/forward.c
+++ b/src/forward.c
@@ -26,7 +26,7 @@ static void free_frec(struct frec *f);
 /* Send a UDP packet with its source address set as "source" 
    unless nowild is true, when we just send it with the kernel default */
 int send_from(int fd, int nowild, char *packet, size_t len, 
-	      union mysockaddr *to, struct all_addr *source,
+	      union mysockaddr *to, union all_addr *source,
 	      unsigned int iface)
 {
   struct msghdr msg;
@@ -64,13 +64,13 @@ int send_from(int fd, int nowild, char *packet, size_t len,
 #if defined(HAVE_LINUX_NETWORK)
 	  struct in_pktinfo p;
 	  p.ipi_ifindex = 0;
-	  p.ipi_spec_dst = source->addr.addr4;
+	  p.ipi_spec_dst = source->addr4;
 	  memcpy(CMSG_DATA(cmptr), &p, sizeof(p));
 	  msg.msg_controllen = cmptr->cmsg_len = CMSG_LEN(sizeof(struct in_pktinfo));
 	  cmptr->cmsg_level = IPPROTO_IP;
 	  cmptr->cmsg_type = IP_PKTINFO;
 #elif defined(IP_SENDSRCADDR)
-	  memcpy(CMSG_DATA(cmptr), &(source->addr.addr4), sizeof(source->addr.addr4));
+	  memcpy(CMSG_DATA(cmptr), &(source->addr4), sizeof(source->addr4));
 	  msg.msg_controllen = cmptr->cmsg_len = CMSG_LEN(sizeof(struct in_addr));
 	  cmptr->cmsg_level = IPPROTO_IP;
 	  cmptr->cmsg_type = IP_SENDSRCADDR;
@@ -80,7 +80,7 @@ int send_from(int fd, int nowild, char *packet, size_t len,
 	{
 	  struct in6_pktinfo p;
 	  p.ipi6_ifindex = iface; /* Need iface for IPv6 to handle link-local addrs */
-	  p.ipi6_addr = source->addr.addr6;
+	  p.ipi6_addr = source->addr6;
 	  memcpy(CMSG_DATA(cmptr), &p, sizeof(p));
 	  msg.msg_controllen = cmptr->cmsg_len = CMSG_LEN(sizeof(struct in6_pktinfo));
 	  cmptr->cmsg_type = daemon->v6pktinfo;
@@ -100,7 +100,7 @@ int send_from(int fd, int nowild, char *packet, size_t len,
   return 1;
 }
           
-static unsigned int search_servers(time_t now, struct all_addr **addrpp, unsigned int qtype,
+static unsigned int search_servers(time_t now, union all_addr **addrpp, unsigned int qtype,
 				   char *qdomain, int *type, char **domain, int *norebind)
 			      
 {
@@ -112,7 +112,7 @@ static unsigned int search_servers(time_t now, struct all_addr **addrpp, unsigne
   unsigned int matchlen = 0;
   struct server *serv;
   unsigned int flags = 0;
-  static struct all_addr zero;
+  static union all_addr zero;
   
   for (serv = daemon->servers; serv; serv=serv->next)
     if (qtype == F_DNSSECOK && !(serv->flags & SERV_DO_DNSSEC))
@@ -137,9 +137,9 @@ static unsigned int search_servers(time_t now, struct all_addr **addrpp, unsigne
 	      {
 		flags = sflag;
 		if (serv->addr.sa.sa_family == AF_INET) 
-		  *addrpp = (struct all_addr *)&serv->addr.in.sin_addr;
+		  *addrpp = (union all_addr *)&serv->addr.in.sin_addr;
 		else
-		  *addrpp = (struct all_addr *)&serv->addr.in6.sin6_addr;
+		  *addrpp = (union all_addr *)&serv->addr.in6.sin6_addr;
 	      }
 	    else if (!flags || (flags & F_NXDOMAIN))
 	      flags = F_NOERR;
@@ -195,9 +195,9 @@ static unsigned int search_servers(time_t now, struct all_addr **addrpp, unsigne
 			  {
 			    flags = sflag;
 			    if (serv->addr.sa.sa_family == AF_INET) 
-			      *addrpp = (struct all_addr *)&serv->addr.in.sin_addr;
+			      *addrpp = (union all_addr *)&serv->addr.in.sin_addr;
 			    else
-			      *addrpp = (struct all_addr *)&serv->addr.in6.sin6_addr;
+			      *addrpp = (union all_addr *)&serv->addr.in6.sin6_addr;
 			  }
 			else if (!flags || (flags & F_NXDOMAIN))
 			  flags = F_NOERR;
@@ -239,13 +239,13 @@ static unsigned int search_servers(time_t now, struct all_addr **addrpp, unsigne
 }
 
 static int forward_query(int udpfd, union mysockaddr *udpaddr,
-			 struct all_addr *dst_addr, unsigned int dst_iface,
+			 union all_addr *dst_addr, unsigned int dst_iface,
 			 struct dns_header *header, size_t plen, time_t now, 
 			 struct frec *forward, int ad_reqd, int do_bit)
 {
   char *domain = NULL;
   int type = SERV_DO_DNSSEC, norebind = 0;
-  struct all_addr *addrp = NULL;
+  union all_addr *addrp = NULL;
   unsigned int flags = 0;
   struct server *start = NULL;
 #ifdef HAVE_DNSSEC
@@ -289,9 +289,9 @@ static int forward_query(int udpfd, union mysockaddr *udpaddr,
 	    PUTSHORT(SAFE_PKTSZ, pheader);
 	  
 	  if (forward->sentto->addr.sa.sa_family == AF_INET) 
-	    log_query(F_NOEXTRA | F_DNSSEC | F_IPV4, "retry", (struct all_addr *)&forward->sentto->addr.in.sin_addr, "dnssec");
+	    log_query(F_NOEXTRA | F_DNSSEC | F_IPV4, "retry", (union all_addr *)&forward->sentto->addr.in.sin_addr, "dnssec");
 	  else
-	    log_query(F_NOEXTRA | F_DNSSEC | F_IPV6, "retry", (struct all_addr *)&forward->sentto->addr.in6.sin6_addr, "dnssec");
+	    log_query(F_NOEXTRA | F_DNSSEC | F_IPV6, "retry", (union all_addr *)&forward->sentto->addr.in6.sin6_addr, "dnssec");
 
   
 	  if (forward->sentto->sfd)
@@ -523,10 +523,10 @@ static int forward_query(int udpfd, union mysockaddr *udpaddr,
 		    strcpy(daemon->namebuff, "query");
 		  if (start->addr.sa.sa_family == AF_INET)
 		    log_query(F_SERVER | F_IPV4 | F_FORWARD, daemon->namebuff, 
-			      (struct all_addr *)&start->addr.in.sin_addr, NULL); 
+			      (union all_addr *)&start->addr.in.sin_addr, NULL); 
 		  else
 		    log_query(F_SERVER | F_IPV6 | F_FORWARD, daemon->namebuff, 
-			      (struct all_addr *)&start->addr.in6.sin6_addr, NULL);
+			      (union  all_addr *)&start->addr.in6.sin6_addr, NULL);
 		  start->queries++;
 		  forwarded = 1;
 		  forward->sentto = start;
@@ -657,8 +657,8 @@ static size_t process_reply(struct dns_header *header, time_t now, struct server
 
   if (rcode != NOERROR && rcode != NXDOMAIN)
     {
-      struct all_addr a;
-      a.addr.log.rcode = rcode;
+      union all_addr a;
+      a.log.rcode = rcode;
       log_query(F_UPSTREAM | F_RCODE, "error", &a, NULL);
       
       return resize_packet(header, n, pheader, plen);
@@ -877,9 +877,9 @@ void reply_query(int fd, int family, time_t now)
 				   sa_len(&start->addr))));
 	  
 	  if (start->addr.sa.sa_family == AF_INET) 
-	    log_query(F_NOEXTRA | F_DNSSEC | F_IPV4, "retry", (struct all_addr *)&start->addr.in.sin_addr, "dnssec");
+	    log_query(F_NOEXTRA | F_DNSSEC | F_IPV4, "retry", (union all_addr *)&start->addr.in.sin_addr, "dnssec");
 	  else
-	    log_query(F_NOEXTRA | F_DNSSEC | F_IPV6, "retry", (struct all_addr *)&start->addr.in6.sin6_addr, "dnssec");
+	    log_query(F_NOEXTRA | F_DNSSEC | F_IPV6, "retry", (union all_addr *)&start->addr.in6.sin6_addr, "dnssec");
 	  
 	  return;
 	}
@@ -1094,10 +1094,10 @@ void reply_query(int fd, int family, time_t now)
 						 daemon->keyname, forward->class, querytype, server->edns_pktsz);
 
 		      if (server->addr.sa.sa_family == AF_INET) 
-			log_query(F_NOEXTRA | F_DNSSEC | F_IPV4, daemon->keyname, (struct all_addr *)&(server->addr.in.sin_addr),
+			log_query(F_NOEXTRA | F_DNSSEC | F_IPV4, daemon->keyname, (union all_addr *)&(server->addr.in.sin_addr),
 				  querystr("dnssec-query", querytype));
 		      else
-			log_query(F_NOEXTRA | F_DNSSEC | F_IPV6, daemon->keyname, (struct all_addr *)&(server->addr.in6.sin6_addr),
+			log_query(F_NOEXTRA | F_DNSSEC | F_IPV6, daemon->keyname, (union all_addr *)&(server->addr.in6.sin6_addr),
 				  querystr("dnssec-query", querytype));
   
 		      if ((hash = hash_questions(header, nn, daemon->namebuff)))
@@ -1244,7 +1244,7 @@ void receive_query(struct listener *listen, time_t now)
   union mysockaddr source_addr;
   unsigned char *pheader;
   unsigned short type, udp_size = PACKETSZ; /* default if no EDNS0 */
-  struct all_addr dst_addr;
+  union all_addr dst_addr;
   struct in_addr netmask, dst_addr_4;
   size_t m;
   ssize_t n;
@@ -1274,7 +1274,7 @@ void receive_query(struct listener *listen, time_t now)
   /* packet buffer overwritten */
   daemon->srv_save = NULL;
   
-  dst_addr_4.s_addr = dst_addr.addr.addr4.s_addr = 0;
+  dst_addr_4.s_addr = dst_addr.addr4.s_addr = 0;
   netmask.s_addr = 0;
   
   if (option_bool(OPT_NOWILD) && listen->iface)
@@ -1283,7 +1283,7 @@ void receive_query(struct listener *listen, time_t now)
      
       if (listen->family == AF_INET)
 	{
-	  dst_addr_4 = dst_addr.addr.addr4 = listen->iface->addr.in.sin_addr;
+	  dst_addr_4 = dst_addr.addr4 = listen->iface->addr.in.sin_addr;
 	  netmask = listen->iface->netmask;
 	}
     }
@@ -1337,7 +1337,7 @@ void receive_query(struct listener *listen, time_t now)
 	{
 	  for (addr = daemon->interface_addrs; addr; addr = addr->next)
 	    if ((addr->flags & ADDRLIST_IPV6) &&
-		is_same_net6(&addr->addr.addr.addr6, &source_addr.in6.sin6_addr, addr->prefixlen))
+		is_same_net6(&addr->addr.addr6, &source_addr.in6.sin6_addr, addr->prefixlen))
 	      break;
 	}
       else
@@ -1347,7 +1347,7 @@ void receive_query(struct listener *listen, time_t now)
 	    {
 	      netmask.s_addr = htonl(~(in_addr_t)0 << (32 - addr->prefixlen));
 	      if (!(addr->flags & ADDRLIST_IPV6) &&
-		  is_same_net(addr->addr.addr.addr4, source_addr.in.sin_addr, netmask))
+		  is_same_net(addr->addr.addr4, source_addr.in.sin_addr, netmask))
 		break;
 	    }
 	}
@@ -1380,7 +1380,7 @@ void receive_query(struct listener *listen, time_t now)
 		struct in_pktinfo *p;
 	      } p;
 	      p.c = CMSG_DATA(cmptr);
-	      dst_addr_4 = dst_addr.addr.addr4 = p.p->ipi_spec_dst;
+	      dst_addr_4 = dst_addr.addr4 = p.p->ipi_spec_dst;
 	      if_index = p.p->ipi_ifindex;
 	    }
 #elif defined(IP_RECVDSTADDR) && defined(IP_RECVIF)
@@ -1398,7 +1398,7 @@ void receive_query(struct listener *listen, time_t now)
 	      } p;
 	       p.c = CMSG_DATA(cmptr);
 	       if (cmptr->cmsg_level == IPPROTO_IP && cmptr->cmsg_type == IP_RECVDSTADDR)
-		 dst_addr_4 = dst_addr.addr.addr4 = *(p.a);
+		 dst_addr_4 = dst_addr.addr4 = *(p.a);
 	       else if (cmptr->cmsg_level == IPPROTO_IP && cmptr->cmsg_type == IP_RECVIF)
 #ifdef HAVE_SOLARIS_NETWORK
 		 if_index = *(p.i);
@@ -1420,7 +1420,7 @@ void receive_query(struct listener *listen, time_t now)
 		} p;
 		p.c = CMSG_DATA(cmptr);
 		  
-		dst_addr.addr.addr6 = p.p->ipi6_addr;
+		dst_addr.addr6 = p.p->ipi6_addr;
 		if_index = p.p->ipi6_ifindex;
 	      }
 	}
@@ -1486,10 +1486,10 @@ void receive_query(struct listener *listen, time_t now)
       
       if (listen->family == AF_INET) 
 	log_query(F_QUERY | F_IPV4 | F_FORWARD, daemon->namebuff, 
-		  (struct all_addr *)&source_addr.in.sin_addr, types);
+		  (union all_addr *)&source_addr.in.sin_addr, types);
       else
 	log_query(F_QUERY | F_IPV6 | F_FORWARD, daemon->namebuff, 
-		  (struct all_addr *)&source_addr.in6.sin6_addr, types);
+		  (union all_addr *)&source_addr.in6.sin6_addr, types);
 
 #ifdef HAVE_AUTH
       /* find queries for zones we're authoritative for, and answer them directly */
@@ -1696,10 +1696,10 @@ static int tcp_key_recurse(time_t now, int status, struct dns_header *header, si
 
 
 	  if (server->addr.sa.sa_family == AF_INET) 
-	    log_query(F_NOEXTRA | F_DNSSEC | F_IPV4, keyname, (struct all_addr *)&(server->addr.in.sin_addr),
+	    log_query(F_NOEXTRA | F_DNSSEC | F_IPV4, keyname, (union all_addr *)&(server->addr.in.sin_addr),
 		      querystr("dnssec-query", new_status == STAT_NEED_KEY ? T_DNSKEY : T_DS));
 	  else
-	    log_query(F_NOEXTRA | F_DNSSEC | F_IPV6, keyname, (struct all_addr *)&(server->addr.in6.sin6_addr),
+	    log_query(F_NOEXTRA | F_DNSSEC | F_IPV6, keyname, (union all_addr *)&(server->addr.in6.sin6_addr),
 		      querystr("dnssec-query", new_status == STAT_NEED_KEY ? T_DNSKEY : T_DS));
 	  
 	  server->flags |= SERV_GOT_TCP;
@@ -1764,12 +1764,12 @@ unsigned char *tcp_request(int confd, time_t now,
   /* Get connection mark of incoming query to set on outgoing connections. */
   if (option_bool(OPT_CONNTRACK))
     {
-      struct all_addr local;
+      union all_addr local;
 		      
       if (local_addr->sa.sa_family == AF_INET6)
-	local.addr.addr6 = local_addr->in6.sin6_addr;
+	local.addr6 = local_addr->in6.sin6_addr;
       else
-	local.addr.addr4 = local_addr->in.sin_addr;
+	local.addr4 = local_addr->in.sin_addr;
       
       have_mark = get_incoming_mark(&peer_addr, &local, 1, &mark);
     }
@@ -1784,7 +1784,7 @@ unsigned char *tcp_request(int confd, time_t now,
 	{
 	  for (addr = daemon->interface_addrs; addr; addr = addr->next)
 	    if ((addr->flags & ADDRLIST_IPV6) &&
-		is_same_net6(&addr->addr.addr.addr6, &peer_addr.in6.sin6_addr, addr->prefixlen))
+		is_same_net6(&addr->addr.addr6, &peer_addr.in6.sin6_addr, addr->prefixlen))
 	      break;
 	}
       else
@@ -1794,7 +1794,7 @@ unsigned char *tcp_request(int confd, time_t now,
 	    {
 	      netmask.s_addr = htonl(~(in_addr_t)0 << (32 - addr->prefixlen));
 	      if (!(addr->flags & ADDRLIST_IPV6) && 
-		  is_same_net(addr->addr.addr.addr4, peer_addr.in.sin_addr, netmask))
+		  is_same_net(addr->addr.addr4, peer_addr.in.sin_addr, netmask))
 		break;
 	    }
 	}
@@ -1841,10 +1841,10 @@ unsigned char *tcp_request(int confd, time_t now,
 	  
 	  if (peer_addr.sa.sa_family == AF_INET) 
 	    log_query(F_QUERY | F_IPV4 | F_FORWARD, daemon->namebuff, 
-		      (struct all_addr *)&peer_addr.in.sin_addr, types);
+		      (union all_addr *)&peer_addr.in.sin_addr, types);
 	  else
 	    log_query(F_QUERY | F_IPV6 | F_FORWARD, daemon->namebuff, 
-		      (struct all_addr *)&peer_addr.in6.sin6_addr, types);
+		      (union all_addr *)&peer_addr.in6.sin6_addr, types);
 	  
 #ifdef HAVE_AUTH
 	  /* find queries for zones we're authoritative for, and answer them directly */
@@ -1900,7 +1900,7 @@ unsigned char *tcp_request(int confd, time_t now,
 	  if (m == 0)
 	    {
 	      unsigned int flags = 0;
-	      struct all_addr *addrp = NULL;
+	      union all_addr *addrp = NULL;
 	      int type = SERV_DO_DNSSEC;
 	      char *domain = NULL;
 	      unsigned char *oph = find_pseudoheader(header, size, NULL, NULL, NULL, NULL);
@@ -2019,10 +2019,10 @@ unsigned char *tcp_request(int confd, time_t now,
 		      
 		      if (last_server->addr.sa.sa_family == AF_INET)
 			log_query(F_SERVER | F_IPV4 | F_FORWARD, daemon->namebuff, 
-				  (struct all_addr *)&last_server->addr.in.sin_addr, NULL); 
+				  (union all_addr *)&last_server->addr.in.sin_addr, NULL); 
 		      else
 			log_query(F_SERVER | F_IPV6 | F_FORWARD, daemon->namebuff, 
-				  (struct all_addr *)&last_server->addr.in6.sin6_addr, NULL);
+				  (union all_addr *)&last_server->addr.in6.sin6_addr, NULL);
 
 #ifdef HAVE_DNSSEC
 		      if (option_bool(OPT_DNSSEC_VALID) && !checking_disabled && (last_server->flags & SERV_DO_DNSSEC))
diff --git a/src/helper.c b/src/helper.c
index d02d53a..33ba120 100644
--- a/src/helper.c
+++ b/src/helper.c
@@ -831,7 +831,7 @@ void queue_tftp(off_t file_len, char *filename, union mysockaddr *peer)
 }
 #endif
 
-void queue_arp(int action, unsigned char *mac, int maclen, int family, struct all_addr *addr)
+void queue_arp(int action, unsigned char *mac, int maclen, int family, union all_addr *addr)
 {
   /* no script */
   if (daemon->helperfd == -1)
@@ -844,9 +844,9 @@ void queue_arp(int action, unsigned char *mac, int maclen, int family, struct al
   buf->hwaddr_len = maclen;
   buf->hwaddr_type =  ARPHRD_ETHER; 
   if ((buf->flags = family) == AF_INET)
-    buf->addr = addr->addr.addr4;
+    buf->addr = addr->addr4;
   else
-    buf->addr6 = addr->addr.addr6;
+    buf->addr6 = addr->addr6;
   
   memcpy(buf->hwaddr, mac, maclen);
   
diff --git a/src/ipset.c b/src/ipset.c
index ec12b39..7b97ea8 100644
--- a/src/ipset.c
+++ b/src/ipset.c
@@ -114,7 +114,7 @@ void ipset_init(void)
   die (_("failed to create IPset control socket: %s"), NULL, EC_MISC);
 }
 
-static int new_add_to_ipset(const char *setname, const struct all_addr *ipaddr, int af, int remove)
+static int new_add_to_ipset(const char *setname, const union all_addr *ipaddr, int af, int remove)
 {
   struct nlmsghdr *nlh;
   struct my_nfgenmsg *nfg;
@@ -152,7 +152,7 @@ static int new_add_to_ipset(const char *setname, const struct all_addr *ipaddr,
   nested[1]->nla_type = NLA_F_NESTED | IPSET_ATTR_IP;
   add_attr(nlh, 
 	   (af == AF_INET ? IPSET_ATTR_IPADDR_IPV4 : IPSET_ATTR_IPADDR_IPV6) | NLA_F_NET_BYTEORDER,
-	   addrsz, &ipaddr->addr);
+	   addrsz, ipaddr);
   nested[1]->nla_len = (void *)buffer + NL_ALIGN(nlh->nlmsg_len) - (void *)nested[1];
   nested[0]->nla_len = (void *)buffer + NL_ALIGN(nlh->nlmsg_len) - (void *)nested[0];
 	
@@ -163,7 +163,7 @@ static int new_add_to_ipset(const char *setname, const struct all_addr *ipaddr,
 }
 
 
-static int old_add_to_ipset(const char *setname, const struct all_addr *ipaddr, int remove)
+static int old_add_to_ipset(const char *setname, const union all_addr *ipaddr, int remove)
 {
   socklen_t size;
   struct ip_set_req_adt_get {
@@ -195,7 +195,7 @@ static int old_add_to_ipset(const char *setname, const struct all_addr *ipaddr,
     return -1;
   req_adt.op = remove ? 0x102 : 0x101;
   req_adt.index = req_adt_get.set.index;
-  req_adt.ip = ntohl(ipaddr->addr.addr4.s_addr);
+  req_adt.ip = ntohl(ipaddr->addr4.s_addr);
   if (setsockopt(ipset_sock, SOL_IP, 83, &req_adt, sizeof(req_adt)) < 0)
     return -1;
   
@@ -204,7 +204,7 @@ static int old_add_to_ipset(const char *setname, const struct all_addr *ipaddr,
 
 
 
-int add_to_ipset(const char *setname, const struct all_addr *ipaddr, int flags, int remove)
+int add_to_ipset(const char *setname, const union all_addr *ipaddr, int flags, int remove)
 {
   int ret = 0, af = AF_INET;
 
diff --git a/src/lease.c b/src/lease.c
index 6012183..3514e44 100644
--- a/src/lease.c
+++ b/src/lease.c
@@ -24,7 +24,7 @@ static int dns_dirty, file_dirty, leases_left;
 static int read_leases(time_t now, FILE *leasestream)
 {
   unsigned long ei;
-  struct all_addr addr;
+  union all_addr addr;
   struct dhcp_lease *lease;
   int clid_len, hw_len, hw_type;
   int items;
@@ -62,9 +62,9 @@ static int read_leases(time_t now, FILE *leasestream)
 		   daemon->namebuff, daemon->dhcp_buff, daemon->packet) != 3)
 	  return 0;
 	
-	if (inet_pton(AF_INET, daemon->namebuff, &addr.addr.addr4))
+	if (inet_pton(AF_INET, daemon->namebuff, &addr.addr4))
 	  {
-	    if ((lease = lease4_allocate(addr.addr.addr4)))
+	    if ((lease = lease4_allocate(addr.addr4)))
 	      domain = get_domain(lease->addr);
 	    
 	    hw_len = parse_hex(daemon->dhcp_buff2, (unsigned char *)daemon->dhcp_buff2, DHCP_CHADDR_MAX, NULL, &hw_type);
@@ -73,7 +73,7 @@ static int read_leases(time_t now, FILE *leasestream)
 	      hw_type = ARPHRD_ETHER; 
 	  }
 #ifdef HAVE_DHCP6
-	else if (inet_pton(AF_INET6, daemon->namebuff, &addr.addr.addr6))
+	else if (inet_pton(AF_INET6, daemon->namebuff, &addr.addr6))
 	  {
 	    char *s = daemon->dhcp_buff2;
 	    int lease_type = LEASE_NA;
@@ -84,7 +84,7 @@ static int read_leases(time_t now, FILE *leasestream)
 		s++;
 	      }
 	    
-	    if ((lease = lease6_allocate(&addr.addr.addr6, lease_type)))
+	    if ((lease = lease6_allocate(&addr.addr6, lease_type)))
 	      {
 		lease_set_iaid(lease, strtoul(s, NULL, 10));
 		domain = get_domain6(&lease->addr6);
@@ -514,28 +514,28 @@ void lease_update_dns(int force)
 		if (slaac->backoff == 0)
 		  {
 		    if (lease->fqdn)
-		      cache_add_dhcp_entry(lease->fqdn, AF_INET6, (struct all_addr *)&slaac->addr, lease->expires);
+		      cache_add_dhcp_entry(lease->fqdn, AF_INET6, (union all_addr *)&slaac->addr, lease->expires);
 		    if (!option_bool(OPT_DHCP_FQDN) && lease->hostname)
-		      cache_add_dhcp_entry(lease->hostname, AF_INET6, (struct all_addr *)&slaac->addr, lease->expires);
+		      cache_add_dhcp_entry(lease->hostname, AF_INET6, (union all_addr *)&slaac->addr, lease->expires);
 		  }
 	    }
 	  
 	  if (lease->fqdn)
 	    cache_add_dhcp_entry(lease->fqdn, prot, 
-				 prot == AF_INET ? (struct all_addr *)&lease->addr : (struct all_addr *)&lease->addr6,
+				 prot == AF_INET ? (union all_addr *)&lease->addr : (union all_addr *)&lease->addr6,
 				 lease->expires);
 	     
 	  if (!option_bool(OPT_DHCP_FQDN) && lease->hostname)
 	    cache_add_dhcp_entry(lease->hostname, prot, 
-				 prot == AF_INET ? (struct all_addr *)&lease->addr : (struct all_addr *)&lease->addr6, 
+				 prot == AF_INET ? (union all_addr *)&lease->addr : (union all_addr *)&lease->addr6, 
 				 lease->expires);
        
 #else
 	  if (lease->fqdn)
-	    cache_add_dhcp_entry(lease->fqdn, prot, (struct all_addr *)&lease->addr, lease->expires);
+	    cache_add_dhcp_entry(lease->fqdn, prot, (union all_addr *)&lease->addr, lease->expires);
 	  
 	  if (!option_bool(OPT_DHCP_FQDN) && lease->hostname)
-	    cache_add_dhcp_entry(lease->hostname, prot, (struct all_addr *)&lease->addr, lease->expires);
+	    cache_add_dhcp_entry(lease->hostname, prot, (union all_addr *)&lease->addr, lease->expires);
 #endif
 	}
       
diff --git a/src/network.c b/src/network.c
index d71ceb8..5a8ca77 100644
--- a/src/network.c
+++ b/src/network.c
@@ -109,7 +109,7 @@ int indextoname(int fd, int index, char *name)
 
 #endif
 
-int iface_check(int family, struct all_addr *addr, char *name, int *auth)
+int iface_check(int family, union all_addr *addr, char *name, int *auth)
 {
   struct iname *tmp;
   int ret = 1, match_addr = 0;
@@ -135,11 +135,11 @@ int iface_check(int family, struct all_addr *addr, char *name, int *auth)
 	  if (tmp->addr.sa.sa_family == family)
 	    {
 	      if (family == AF_INET &&
-		  tmp->addr.in.sin_addr.s_addr == addr->addr.addr4.s_addr)
+		  tmp->addr.in.sin_addr.s_addr == addr->addr4.s_addr)
 		ret = match_addr = tmp->used = 1;
 	      else if (family == AF_INET6 &&
 		       IN6_ARE_ADDR_EQUAL(&tmp->addr.in6.sin6_addr, 
-					  &addr->addr.addr6))
+					  &addr->addr6))
 		ret = match_addr = tmp->used = 1;
 	    }          
     }
@@ -158,10 +158,10 @@ int iface_check(int family, struct all_addr *addr, char *name, int *auth)
 	  break;
       }
     else if (addr && tmp->addr.sa.sa_family == AF_INET && family == AF_INET &&
-	     tmp->addr.in.sin_addr.s_addr == addr->addr.addr4.s_addr)
+	     tmp->addr.in.sin_addr.s_addr == addr->addr4.s_addr)
       break;
     else if (addr && tmp->addr.sa.sa_family == AF_INET6 && family == AF_INET6 &&
-	     IN6_ARE_ADDR_EQUAL(&tmp->addr.in6.sin6_addr, &addr->addr.addr6))
+	     IN6_ARE_ADDR_EQUAL(&tmp->addr.in6.sin6_addr, &addr->addr6))
       break;
 
   if (tmp && auth) 
@@ -179,7 +179,7 @@ int iface_check(int family, struct all_addr *addr, char *name, int *auth)
    an interface other than the loopback. Accept packet if it arrived via a loopback 
    interface, even when we're not accepting packets that way, as long as the destination
    address is one we're believing. Interface list must be up-to-date before calling. */
-int loopback_exception(int fd, int family, struct all_addr *addr, char *name)    
+int loopback_exception(int fd, int family, union all_addr *addr, char *name)    
 {
   struct ifreq ifr;
   struct irec *iface;
@@ -193,10 +193,10 @@ int loopback_exception(int fd, int family, struct all_addr *addr, char *name)
 	  {
 	    if (family == AF_INET)
 	      {
-		if (iface->addr.in.sin_addr.s_addr == addr->addr.addr4.s_addr)
+		if (iface->addr.in.sin_addr.s_addr == addr->addr4.s_addr)
 		  return 1;
 	      }
-	    else if (IN6_ARE_ADDR_EQUAL(&iface->addr.in6.sin6_addr, &addr->addr.addr6))
+	    else if (IN6_ARE_ADDR_EQUAL(&iface->addr.in6.sin6_addr, &addr->addr6))
 	      return 1;
 	  }
     }
@@ -207,7 +207,7 @@ int loopback_exception(int fd, int family, struct all_addr *addr, char *name)
    on the relevant address, but the name of the arrival interface, derived from the
    index won't match the config. Check that we found an interface address for the arrival 
    interface: daemon->interfaces must be up-to-date. */
-int label_exception(int index, int family, struct all_addr *addr)
+int label_exception(int index, int family, union all_addr *addr)
 {
   struct irec *iface;
 
@@ -217,7 +217,7 @@ int label_exception(int index, int family, struct all_addr *addr)
 
   for (iface = daemon->interfaces; iface; iface = iface->next)
     if (iface->index == index && iface->addr.sa.sa_family == AF_INET &&
-	iface->addr.in.sin_addr.s_addr == addr->addr.addr4.s_addr)
+	iface->addr.in.sin_addr.s_addr == addr->addr4.s_addr)
       return 1;
 
   return 0;
@@ -282,12 +282,12 @@ static int iface_allowed(struct iface_param *param, int if_index, char *label,
 	  
 	  if (addr->sa.sa_family == AF_INET)
 	    {
-	      al->addr.addr.addr4 = addr->in.sin_addr;
+	      al->addr.addr4 = addr->in.sin_addr;
 	      al->flags = 0;
 	    }
 	  else
 	    {
-	      al->addr.addr.addr6 = addr->in6.sin6_addr;
+	      al->addr.addr6 = addr->in6.sin6_addr;
 	      al->flags = ADDRLIST_IPV6;
 	    } 
 	}
@@ -321,7 +321,7 @@ static int iface_allowed(struct iface_param *param, int if_index, char *label,
 		      al->next = zone->subnet;
 		      zone->subnet = al;
 		      al->prefixlen = prefixlen;
-		      al->addr.addr.addr4 = addr->in.sin_addr;
+		      al->addr.addr4 = addr->in.sin_addr;
 		      al->flags = 0;
 		    }
 		}
@@ -341,7 +341,7 @@ static int iface_allowed(struct iface_param *param, int if_index, char *label,
 		      al->next = zone->subnet;
 		      zone->subnet = al;
 		      al->prefixlen = prefixlen;
-		      al->addr.addr.addr6 = addr->in6.sin6_addr;
+		      al->addr.addr6 = addr->in6.sin6_addr;
 		      al->flags = ADDRLIST_IPV6;
 		    }
 		} 
@@ -369,12 +369,12 @@ static int iface_allowed(struct iface_param *param, int if_index, char *label,
 		
 		if (addr->sa.sa_family == AF_INET)
 		  {
-		    al->addr.addr.addr4 = addr->in.sin_addr;
+		    al->addr.addr4 = addr->in.sin_addr;
 		    al->flags = 0;
 		  }
 		else
 		 {
-		    al->addr.addr.addr6 = addr->in6.sin6_addr;
+		    al->addr.addr6 = addr->in6.sin6_addr;
 		    al->flags = ADDRLIST_IPV6;
 		    /* Privacy addresses and addresses still undergoing DAD and deprecated addresses
 		       don't appear in forward queries, but will in reverse ones. */
@@ -419,11 +419,11 @@ static int iface_allowed(struct iface_param *param, int if_index, char *label,
     }
   
   if (addr->sa.sa_family == AF_INET &&
-      !iface_check(AF_INET, (struct all_addr *)&addr->in.sin_addr, label, &auth_dns))
+      !iface_check(AF_INET, (union all_addr *)&addr->in.sin_addr, label, &auth_dns))
     return 1;
 
   if (addr->sa.sa_family == AF_INET6 &&
-      !iface_check(AF_INET6, (struct all_addr *)&addr->in6.sin6_addr, label, &auth_dns))
+      !iface_check(AF_INET6, (union all_addr *)&addr->in6.sin6_addr, label, &auth_dns))
     return 1;
     
 #ifdef HAVE_DHCP
diff --git a/src/option.c b/src/option.c
index 6fbd486..1677465 100644
--- a/src/option.c
+++ b/src/option.c
@@ -2064,7 +2064,7 @@ static int one_opt(int option, char *arg, char *errstr, char *gen_err, int comma
 	    int is_exclude = 0;
 	    char *prefix;
 	    struct addrlist *subnet =  NULL;
-	    struct all_addr addr;
+	    union all_addr addr;
 
 	    comma = split(arg);
 	    prefix = split_chr(arg, '/');
@@ -2078,13 +2078,13 @@ static int one_opt(int option, char *arg, char *errstr, char *gen_err, int comma
 		    arg = arg+8;
 	      }
 
-	    if (inet_pton(AF_INET, arg, &addr.addr.addr4))
+	    if (inet_pton(AF_INET, arg, &addr.addr4))
 	      {
 		subnet = opt_malloc(sizeof(struct addrlist));
 		subnet->prefixlen = (prefixlen == 0) ? 24 : prefixlen;
 		subnet->flags = ADDRLIST_LITERAL;
 	      }
-	    else if (inet_pton(AF_INET6, arg, &addr.addr.addr6))
+	    else if (inet_pton(AF_INET6, arg, &addr.addr6))
 	      {
 		subnet = opt_malloc(sizeof(struct addrlist));
 		subnet->prefixlen = (prefixlen == 0) ? 64 : prefixlen;
@@ -4268,7 +4268,7 @@ err:
 
 	while (arg)
 	  {
-	    struct all_addr addr;
+	    union all_addr addr;
 	    char *dig;
 
 	    for (dig = arg; *dig != 0; dig++)
@@ -4276,10 +4276,10 @@ err:
 		break;
 	    if (*dig == 0)
 	      new->ttl = atoi(arg);
-	    else if (inet_pton(AF_INET, arg, &addr))
-	      new->addr = addr.addr.addr4;
-	    else if (inet_pton(AF_INET6, arg, &addr))
-	      new->addr6 = addr.addr.addr6;
+	    else if (inet_pton(AF_INET, arg, &addr.addr4))
+	      new->addr = addr.addr4;
+	    else if (inet_pton(AF_INET6, arg, &addr.addr6))
+	      new->addr6 = addr.addr6;
 	    else
 	      {
 		int nomem;
diff --git a/src/rfc1035.c b/src/rfc1035.c
index e532a08..8e7b738 100644
--- a/src/rfc1035.c
+++ b/src/rfc1035.c
@@ -143,7 +143,7 @@ int extract_name(struct dns_header *header, size_t plen, unsigned char **pp,
  
 /* Max size of input string (for IPv6) is 75 chars.) */
 #define MAXARPANAME 75
-int in_arpa_name_2_addr(char *namein, struct all_addr *addrp)
+int in_arpa_name_2_addr(char *namein, union all_addr *addrp)
 {
   int j;
   char name[MAXARPANAME+1], *cp1;
@@ -153,7 +153,7 @@ int in_arpa_name_2_addr(char *namein, struct all_addr *addrp)
   if (strlen(namein) > MAXARPANAME)
     return 0;
 
-  memset(addrp, 0, sizeof(struct all_addr));
+  memset(addrp, 0, sizeof(union all_addr));
 
   /* turn name into a series of asciiz strings */
   /* j counts no. of labels */
@@ -234,7 +234,7 @@ int in_arpa_name_2_addr(char *namein, struct all_addr *addrp)
 	      if (*(cp1+1) || !isxdigit((unsigned char)*cp1))
 		return 0;
 	      
-	      for (j = sizeof(struct all_addr)-1; j>0; j--)
+	      for (j = sizeof(struct in6_addr)-1; j>0; j--)
 		addr[j] = (addr[j] >> 4) | (addr[j-1] << 4);
 	      addr[0] = (addr[0] >> 4) | (strtol(cp1, NULL, 16) << 4);
 	    }
@@ -585,7 +585,7 @@ int extract_addresses(struct dns_header *header, size_t qlen, char *name, time_t
   unsigned char *p, *p1, *endrr, *namep;
   int i, j, qtype, qclass, aqtype, aqclass, ardlen, res, searched_soa = 0;
   unsigned long ttl = 0;
-  struct all_addr addr;
+  union all_addr addr;
 #ifdef HAVE_IPSET
   char **ipsets_cur;
 #else
@@ -808,14 +808,14 @@ int extract_addresses(struct dns_header *header, size_t qlen, char *name, time_t
 		      if (check_rebind)
 			{
 			  if ((flags & F_IPV4) &&
-			      private_net(addr.addr.addr4, !option_bool(OPT_LOCAL_REBIND)))
+			      private_net(addr.addr4, !option_bool(OPT_LOCAL_REBIND)))
 			    return 1;
 			  
 			  if ((flags & F_IPV6) &&
-			      IN6_IS_ADDR_V4MAPPED(&addr.addr.addr6))
+			      IN6_IS_ADDR_V4MAPPED(&addr.addr6))
 			    {
 			      struct in_addr v4;
-			      v4.s_addr = ((const uint32_t *) (&addr.addr.addr6))[3];
+			      v4.s_addr = ((const uint32_t *) (&addr.addr6))[3];
 			      if (private_net(v4, !option_bool(OPT_LOCAL_REBIND)))
 				return 1;
 			    }
@@ -928,7 +928,7 @@ unsigned int extract_request(struct dns_header *header, size_t qlen, char *name,
 }
 
 size_t setup_reply(struct dns_header *header, size_t qlen,
-		struct all_addr *addrp, unsigned int flags, unsigned long ttl)
+		   union all_addr *addrp, unsigned int flags, unsigned long ttl)
 {
   unsigned char *p;
   
@@ -949,8 +949,8 @@ size_t setup_reply(struct dns_header *header, size_t qlen,
     SET_RCODE(header, NXDOMAIN);
   else if (flags == F_SERVFAIL)
     {
-      struct all_addr a;
-      a.addr.log.rcode = SERVFAIL;
+      union all_addr a;
+      a.log.rcode = SERVFAIL;
       log_query(F_CONFIG | F_RCODE, "error", &a, NULL);
       SET_RCODE(header, SERVFAIL);
     }
@@ -974,8 +974,8 @@ size_t setup_reply(struct dns_header *header, size_t qlen,
     }
   else /* nowhere to forward to */
     {
-      struct all_addr a;
-      a.addr.log.rcode = REFUSED;
+      union all_addr a;
+      a.log.rcode = REFUSED;
       log_query(F_CONFIG | F_RCODE, "error", &a, NULL);
       SET_RCODE(header, REFUSED);
     }
@@ -1277,7 +1277,7 @@ size_t answer_request(struct dns_header *header, char *limit, size_t qlen,
   char *name = daemon->namebuff;
   unsigned char *p, *ansp;
   unsigned int qtype, qclass;
-  struct all_addr addr;
+  union all_addr addr;
   int nameoffset;
   unsigned short flag;
   int q, ans, anscount = 0, addncount = 0;
@@ -1374,7 +1374,7 @@ size_t answer_request(struct dns_header *header, char *limit, size_t qlen,
 		  notimp = 1, auth = 0;
 		  if (!dryrun)
 		    {
-		       addr.addr.log.rcode = NOTIMP;
+		       addr.log.rcode = NOTIMP;
 		       log_query(F_CONFIG | F_RCODE, name, &addr, NULL);
 		    }
 		  ans = 1, sec_data = 0;
@@ -1418,7 +1418,7 @@ size_t answer_request(struct dns_header *header, char *limit, size_t qlen,
 		    struct addrlist *addrlist;
 		    
 		    for (addrlist = intr->addr; addrlist; addrlist = addrlist->next)
-		      if (!(addrlist->flags & ADDRLIST_IPV6) && addr.addr.addr4.s_addr == addrlist->addr.addr.addr4.s_addr)
+		      if (!(addrlist->flags & ADDRLIST_IPV6) && addr.addr4.s_addr == addrlist->addr.addr4.s_addr)
 			break;
 		    
 		    if (addrlist)
@@ -1433,7 +1433,7 @@ size_t answer_request(struct dns_header *header, char *limit, size_t qlen,
 		    struct addrlist *addrlist;
 		    
 		    for (addrlist = intr->addr; addrlist; addrlist = addrlist->next)
-		      if ((addrlist->flags & ADDRLIST_IPV6) && IN6_ARE_ADDR_EQUAL(&addr.addr.addr6, &addrlist->addr.addr.addr6))
+		      if ((addrlist->flags & ADDRLIST_IPV6) && IN6_ARE_ADDR_EQUAL(&addr.addr6, &addrlist->addr.addr6))
 			break;
 		    
 		    if (addrlist)
@@ -1533,8 +1533,8 @@ size_t answer_request(struct dns_header *header, char *limit, size_t qlen,
 		    }
 		}
 	      else if (option_bool(OPT_BOGUSPRIV) && (
-		       (is_arpa == F_IPV6 && private_net6(&addr.addr.addr6)) ||
-		       (is_arpa == F_IPV4 && private_net(addr.addr.addr4, 1))))
+		       (is_arpa == F_IPV6 && private_net6(&addr.addr6)) ||
+		       (is_arpa == F_IPV4 && private_net(addr.addr4, 1))))
 		{
 		  struct server *serv;
 		  unsigned int namelen = strlen(name);
@@ -1600,7 +1600,7 @@ size_t answer_request(struct dns_header *header, char *limit, size_t qlen,
 		      if (hostname_isequal(name, intr->name))
 			for (addrlist = intr->addr; addrlist; addrlist = addrlist->next)
 			  if (!(addrlist->flags & ADDRLIST_IPV6) && 
-			      is_same_net(*((struct in_addr *)&addrlist->addr), local_addr, local_netmask))
+			      is_same_net(addrlist->addr.addr4, local_addr, local_netmask))
 			    {
 			      localise = 1;
 			      break;
@@ -1613,7 +1613,7 @@ size_t answer_request(struct dns_header *header, char *limit, size_t qlen,
 			  if (((addrlist->flags & ADDRLIST_IPV6) ? T_AAAA : T_A) == type)
 			    {
 			      if (localise && 
-				  !is_same_net(*((struct in_addr *)&addrlist->addr), local_addr, local_netmask))
+				  !is_same_net(addrlist->addr.addr4, local_addr, local_netmask))
 				continue;
 
 			      if (addrlist->flags & ADDRLIST_REVONLY)
@@ -1651,7 +1651,7 @@ size_t answer_request(struct dns_header *header, char *limit, size_t qlen,
 		      struct crec *save = crecp;
 		      do {
 			if ((crecp->flags & F_HOSTS) &&
-			    is_same_net(*((struct in_addr *)&crecp->addr), local_addr, local_netmask))
+			    is_same_net(crecp->addr.addr4, local_addr, local_netmask))
 			  {
 			    localise = 1;
 			    break;
@@ -1710,7 +1710,7 @@ size_t answer_request(struct dns_header *header, char *limit, size_t qlen,
 			       filter here. */
 			    if (localise && 
 				(crecp->flags & F_HOSTS) &&
-				!is_same_net(*((struct in_addr *)&crecp->addr), local_addr, local_netmask))
+				!is_same_net(crecp->addr.addr4, local_addr, local_netmask))
 			      continue;
 			    
 			    if (!(crecp->flags & (F_HOSTS | F_DHCP)))
@@ -1719,7 +1719,7 @@ size_t answer_request(struct dns_header *header, char *limit, size_t qlen,
 			    ans = 1;
 			    if (!dryrun)
 			      {
-				log_query(crecp->flags & ~F_REVERSE, name, &crecp->addr.addr,
+				log_query(crecp->flags & ~F_REVERSE, name, &crecp->addr,
 					  record_source(crecp->uid));
 				
 				if (add_resource_record(header, limit, &trunc, nameoffset, &ansp, 
diff --git a/src/rfc3315.c b/src/rfc3315.c
index a20776d..d3c1722 100644
--- a/src/rfc3315.c
+++ b/src/rfc3315.c
@@ -2120,7 +2120,7 @@ void relay_upstream6(struct dhcp_relay *relay, ssize_t sz,
 {
   /* ->local is same value for all relays on ->current chain */
   
-  struct all_addr from;
+  union all_addr from;
   unsigned char *header;
   unsigned char *inbuff = daemon->dhcp_packet.iov_base;
   int msg_type = *inbuff;
@@ -2133,7 +2133,7 @@ void relay_upstream6(struct dhcp_relay *relay, ssize_t sz,
   get_client_mac(peer_address, scope_id, mac, &maclen, &mactype, now);
 
   /* source address == relay address */
-  from.addr.addr6 = relay->local.addr.addr6;
+  from.addr6 = relay->local.addr6;
     
   /* Get hop count from nested relayed message */ 
   if (msg_type == DHCP6RELAYFORW)
@@ -2153,7 +2153,7 @@ void relay_upstream6(struct dhcp_relay *relay, ssize_t sz,
 
       header[0] = DHCP6RELAYFORW;
       header[1] = hopcount;
-      memcpy(&header[2],  &relay->local.addr.addr6, IN6ADDRSZ);
+      memcpy(&header[2],  &relay->local.addr6, IN6ADDRSZ);
       memcpy(&header[18], peer_address, IN6ADDRSZ);
  
       /* RFC-6939 */
@@ -2174,12 +2174,12 @@ void relay_upstream6(struct dhcp_relay *relay, ssize_t sz,
 	  union mysockaddr to;
 	  
 	  to.sa.sa_family = AF_INET6;
-	  to.in6.sin6_addr = relay->server.addr.addr6;
+	  to.in6.sin6_addr = relay->server.addr6;
 	  to.in6.sin6_port = htons(DHCPV6_SERVER_PORT);
 	  to.in6.sin6_flowinfo = 0;
 	  to.in6.sin6_scope_id = 0;
 
-	  if (IN6_ARE_ADDR_EQUAL(&relay->server.addr.addr6, &multicast))
+	  if (IN6_ARE_ADDR_EQUAL(&relay->server.addr6, &multicast))
 	    {
 	      int multicast_iface;
 	      if (!relay->interface || strchr(relay->interface, '*') ||
@@ -2218,7 +2218,7 @@ unsigned short relay_reply6(struct sockaddr_in6 *peer, ssize_t sz, char *arrival
   memcpy(&link, &inbuff[2], IN6ADDRSZ); 
   
   for (relay = daemon->relay6; relay; relay = relay->next)
-    if (IN6_ARE_ADDR_EQUAL(&link, &relay->local.addr.addr6) &&
+    if (IN6_ARE_ADDR_EQUAL(&link, &relay->local.addr6) &&
 	(!relay->interface || wildcard_match(relay->interface, arrival_interface)))
       break;
       
diff --git a/src/tables.c b/src/tables.c
index 818d009..b34ea77 100644
--- a/src/tables.c
+++ b/src/tables.c
@@ -62,7 +62,7 @@ void ipset_init(void)
     }
 }
 
-int add_to_ipset(const char *setname, const struct all_addr *ipaddr,
+int add_to_ipset(const char *setname, const union all_addr *ipaddr,
 		 int flags, int remove)
 {
   struct pfr_addr addr;
@@ -113,13 +113,13 @@ int add_to_ipset(const char *setname, const struct all_addr *ipaddr,
     {
       addr.pfra_af = AF_INET6;
       addr.pfra_net = 0x80;
-      memcpy(&(addr.pfra_ip6addr), &(ipaddr->addr), sizeof(struct in6_addr));
+      memcpy(&(addr.pfra_ip6addr), ipaddr, sizeof(struct in6_addr));
     } 
   else 
     {
       addr.pfra_af = AF_INET;
       addr.pfra_net = 0x20;
-      addr.pfra_ip4addr.s_addr = ipaddr->addr.addr4.s_addr;
+      addr.pfra_ip4addr.s_addr = ipaddr->addr4.s_addr;
     }
 
   bzero(&io, sizeof(io));
diff --git a/src/tftp.c b/src/tftp.c
index 06081cb..435b216 100644
--- a/src/tftp.c
+++ b/src/tftp.c
@@ -59,7 +59,7 @@ void tftp_request(struct listener *listen, time_t now)
   char *name = NULL;
   char *prefix = daemon->tftp_prefix;
   struct tftp_prefix *pref;
-  struct all_addr addra;
+  union all_addr addra;
   /* Can always get recvd interface for IPv6 */
   int check_dest = !option_bool(OPT_NOWILD) || listen->family == AF_INET6;
   union {
@@ -189,10 +189,10 @@ void tftp_request(struct listener *listen, time_t now)
 
       name = namebuff;
       
-      addra.addr.addr4 = addr.in.sin_addr;
+      addra.addr4 = addr.in.sin_addr;
 
       if (listen->family == AF_INET6)
-	addra.addr.addr6 = addr.in6.sin6_addr;
+	addra.addr6 = addr.in6.sin6_addr;
 
       if (daemon->tftp_interfaces)
 	{
@@ -212,7 +212,7 @@ void tftp_request(struct listener *listen, time_t now)
 	      if (!option_bool(OPT_CLEVERBIND))
 		enumerate_interfaces(0); 
 	      if (!loopback_exception(listen->tftpfd, listen->family, &addra, name) &&
-		  !label_exception(if_index, listen->family, &addra) )
+		  !label_exception(if_index, listen->family, &addra))
 		return;
 	    }