--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/docs/jail.h	Fri Aug 15 15:43:38 2008 +0000
@@ -0,0 +1,22 @@
+/*-
+ * ----------------------------------------------------------------------------
+ * "THE BEER-WARE LICENSE" (Revision 42):
+ * <phk@FreeBSD.org> wrote this file.  As long as you retain this notice you
+ * can do whatever you want with this stuff. If we meet some day, and you think
+ * this stuff is worth it, you can buy me a beer in return.   Poul-Henning Kamp
+ * ----------------------------------------------------------------------------
+ *
+ * $FreeBSD: src/sys/sys/jail.h,v 1.26 2005/06/09 18:49:19 pjd Exp $
+ *
+ */
+
+struct jail {
+        u_int32_t       version;
+        char            *path;
+        char            *hostname;
+        u_int32_t       ip_number;
+};
+
+int jail(struct jail *);
+int jail_attach(int);
+