} type;
/* Address data union: ipv6 contains IPv6-related data (address and
- scope), and ipv4 contains IPv4 address. */
+ scope), and ipv4 contains the IPv4 address. */
union {
#ifdef ENABLE_IPV6
struct {
} ip_address;
/* Because C doesn't support anonymous unions, access to ip_address
- elements is clunky. Hence the accessors. */
+ elements is unwieldy. Hence the accessors.
+
+ The _ADDR accessors return the address as the struct in_addr or
+ in6_addr. The _DATA accessor returns a pointer to the address data
+ -- pretty much the same as the above, but cast to void*. The
+ _SCOPE accessor returns the address's scope_id, and makes sense
+ only when IPv6 and HAVE_SOCKADDR_IN6_SCOPE_ID are both defined. */
+
+#define ADDRESS_IPV4_IN_ADDR(x) ((x)->u.ipv4.addr)
+/* Don't use &x->u.ipv4.addr.s_addr because it can be #defined to a
+ bitfield, which you can't take an address of. */
+#define ADDRESS_IPV4_DATA(x) ((void *)&(x)->u.ipv4.addr)
#define ADDRESS_IPV6_IN6_ADDR(x) ((x)->u.ipv6.addr)
-#define ADDRESS_IPV6_DATA(x) ((void *)&(x)->u.ipv6.addr.s6_addr)
+#define ADDRESS_IPV6_DATA(x) ((void *)&(x)->u.ipv6.addr)
#define ADDRESS_IPV6_SCOPE(x) ((x)->u.ipv6.scope_id)
-#define ADDRESS_IPV4_IN_ADDR(x) ((x)->u.ipv4.addr)
-#define ADDRESS_IPV4_DATA(x) ((void *)&(x)->u.ipv4.addr.s_addr)
/* Flags for lookup_host */
#define LH_SILENT 0x0001
int address_list_cached_p PARAMS ((const struct address_list *));
const ip_address *address_list_address_at PARAMS ((const struct address_list *,
int));
-int address_list_match_all PARAMS ((const struct address_list *,
- const struct address_list *));
+int address_list_find PARAMS ((const struct address_list *, const ip_address *));
void address_list_set_faulty PARAMS ((struct address_list *, int));
void address_list_release PARAMS ((struct address_list *));