diff -Naur SDL2_net-2.0.1/SDLnet.c SDL2_net-2.0.1.serenity/SDLnet.c
--- SDL2_net-2.0.1/SDLnet.c	2016-01-03 08:57:09.000000000 +0100
+++ SDL2_net-2.0.1.serenity/SDLnet.c	2021-06-16 10:48:32.073734588 +0200
@@ -184,6 +184,10 @@
     return inet_ntoa(in);
 }
 
+#ifdef __serenity__
+#undef SIOCGIFCONF
+#endif
+
 int SDLNet_GetLocalAddresses(IPaddress *addresses, int maxcount)
 {
     int count = 0;