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diff --git a/lib/isc/include/isc/random.h b/lib/isc/include/isc/random.h
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+/*
+ * Copyright (C) 2004-2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 1999-2001  Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: random.h,v 1.18 2007/06/19 23:47:18 tbox Exp $ */
+
+#ifndef ISC_RANDOM_H
+#define ISC_RANDOM_H 1
+
+#include <isc/lang.h>
+#include <isc/types.h>
+
+/*! \file isc/random.h
+ * \brief Implements a random state pool which will let the caller return a
+ * series of possibly non-reproducable random values.  
+ *
+ * Note that the
+ * strength of these numbers is not all that high, and should not be
+ * used in cryptography functions.  It is useful for jittering values
+ * a bit here and there, such as timeouts, etc.
+ */
+
+ISC_LANG_BEGINDECLS
+
+void
+isc_random_seed(isc_uint32_t seed);
+/*%<
+ * Set the initial seed of the random state.
+ */
+
+void
+isc_random_get(isc_uint32_t *val);
+/*%<
+ * Get a random value.
+ *
+ * Requires:
+ *	val != NULL.
+ */
+
+isc_uint32_t
+isc_random_jitter(isc_uint32_t max, isc_uint32_t jitter);
+/*%<
+ * Get a random value between (max - jitter) and (max).
+ * This is useful for jittering timer values.
+ */
+
+ISC_LANG_ENDDECLS
+
+#endif /* ISC_RANDOM_H */