root/usr.sbin/config/configvers.h
/*
 * 6 digits of version.  The most significant are branch indicators
 * (eg: RELENG_2_2 = 22, -current presently = 40 etc). The least
 * significant digits are incremented for each incompatible change.
 *
 * The numbering scheme is inspired by the sys/conf/newvers.sh RELDATE
 * and <osreldate.h> system.
 *
 * $FreeBSD: src/usr.sbin/config/configvers.h,v 1.19.2.1 2001/12/19 18:09:32 silby Exp $
 * $DragonFly: src/usr.sbin/config/configvers.h,v 1.9 2007/01/19 07:23:43 dillon Exp $
 */
#define CONFIGVERS      400026