diff --git xhost-clean/xhost.c xhost-workdir/xhost.c
index 7a5e41a..c7a0711 100644
--- xhost-clean/xhost.c
+++ xhost-workdir/xhost.c
@@ -171,7 +171,7 @@ XFamily(int af)
 }
 #endif /* NEEDSOCKETS */
 
-#if defined(__CYGWIN__) || defined(WIN32)
+#if defined(__CYGWIN__) || defined(WIN32) || defined(__astral__)
 void sethostent(int x)
 {}