--- src/sys/sys/sysctl.h	2004/11/09 17:52:45	1.12
+++ src/sys/sys/sysctl.h	2005/02/05 23:04:28	1.13
@@ -158,6 +158,9 @@ void sysctl_unregister_oid(struct sysctl
 	extern struct sysctl_oid_list sysctl_##name##_children
 
 /* Hide these in macros */
+#define	SYSCTL_SET_CHILDREN(oid_ptr, children) do {			\
+	(oid_ptr)->oid_arg1 = (children);				\
+} while(0)
 #define	SYSCTL_CHILDREN(oid_ptr) (struct sysctl_oid_list *) \
 	(oid_ptr)->oid_arg1
 #define	SYSCTL_STATIC_CHILDREN(oid_name) \