diff --git a/libc/dns/include/resolv_netid.h b/libc/dns/include/resolv_netid.h
index 3b2f4da..c7e2823 100644
--- a/libc/dns/include/resolv_netid.h
+++ b/libc/dns/include/resolv_netid.h
@@ -72,11 +72,15 @@
     unsigned dns_netid;
     unsigned dns_mark;
     uid_t uid;
+    unsigned flags;
     res_send_qhook qhook;
 };
 
 #define NET_CONTEXT_INVALID_UID ((uid_t)-1)
 
+#define NET_CONTEXT_FLAG_USE_LOCAL_NAMESERVERS  0x00000001
+#define NET_CONTEXT_FLAG_USE_EDNS               0x00000002
+
 struct hostent *android_gethostbyaddrfornet(const void *, socklen_t, int, unsigned, unsigned) __used_in_netd;
 struct hostent *android_gethostbynamefornet(const char *, int, unsigned, unsigned) __used_in_netd;
 int android_getaddrinfofornet(const char *, const char *, const struct addrinfo *, unsigned,