ObjFW  Check-in [42acd2b94a]

			#endif

			#ifdef AF_INET6
			egrep_cpp_yes
			#endif
		], [
			AC_DEFINE(OF_HAVE_IPV6, 1, [Whether we have IPv6])

			AC_CHECK_FUNCS(inet6_getscopeid)
		])
	], [
		dnl Work around a bug in autoconf 2.61 that creates a broken
		dnl configure if this branch is empty.
		:
	], [
		#ifdef _WIN32

			memcpy(&address.sockaddr.in, &current->ifr_addr,
			    sockaddrSize);

#  if defined(OF_HAVE_IPV6) && defined(HAVE_IF_NAMETOINDEX)
			if (address.sockaddr.in6.sin6_family == AF_INET6 &&
			    address.sockaddr.in6.sin6_addr.s6_addr[0] == 0xFE &&
			    (address.sockaddr.in6.sin6_addr.s6_addr[1] & 0xC0)
			    == 0x80)
			    == 0x80) {
#   if defined(HAVE_INET6_GETSCOPEID)
				inet6_getscopeid(&address.sockaddr.in6,
				    INET6_IS_ADDR_LINKLOCAL);
#   elif defined(HAVE_IF_NAMETOINDEX)
				address.sockaddr.in6.sin6_scope_id =
				    if_nametoindex(
				    [name cStringWithEncoding: encoding]);
#   endif
			}
#  endif

			[addresses addItem: &address];

next:
# ifdef _SIZEOF_ADDR_IFREQ
			buffer += _SIZEOF_ADDR_IFREQ(*current);