--- /tmp/php-5.1.6/ext/posix/posix.c	2006-01-01 06:50:12.000000000 -0600
+++ php-5.1.6/ext/posix/posix.c	2007-03-03 19:00:44.000000000 -0600
@@ -463,7 +463,7 @@
 	add_assoc_string(return_value, "version",  u.version,  1);
 	add_assoc_string(return_value, "machine",  u.machine,  1);
 #ifdef _GNU_SOURCE
-	add_assoc_string(return_value, "domainname", u.domainname, 1);
+	add_assoc_string(return_value, "domainname", u.__domainname, 1);
 #endif
 }
 /* }}} */