--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/usr/src/cmd/cmd-inet/sbin/dhcpagent/util.h	Tue Jun 02 18:56:50 2009 +0900
@@ -0,0 +1,85 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#ifndef	UTIL_H
+#define	UTIL_H
+
+#pragma ident	"@(#)util.h	1.14	07/04/04 SMI"
+
+#include <sys/types.h>
+#include <netinet/in.h>
+#include <netinet/dhcp.h>
+#include <netinet/dhcp6.h>
+#include <libinetutil.h>
+#include <dhcpagent_ipc.h>
+
+#include "common.h"
+
+/*
+ * general utility functions which have no better home.  see util.c
+ * for documentation on how to use the exported functions.
+ */
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+struct dhcp_timer_s {
+	iu_timer_id_t	dt_id;
+	lease_t		dt_start;		/* Initial timer value */
+};
+
+/* conversion functions */
+const char	*pkt_type_to_string(uchar_t, boolean_t);
+const char	*monosec_to_string(monosec_t);
+time_t		monosec_to_time(monosec_t);
+monosec_t	hrtime_to_monosec(hrtime_t);
+
+/* shutdown handlers */
+void		graceful_shutdown(int);
+void		inactivity_shutdown(iu_tq_t *, void *);
+
+/* timer functions */
+void		init_timer(dhcp_timer_t *, lease_t);
+boolean_t	cancel_timer(dhcp_timer_t *);
+boolean_t	schedule_timer(dhcp_timer_t *, iu_tq_callback_t *, void *);
+
+/* miscellaneous */
+boolean_t	add_default_route(uint32_t, struct in_addr *);
+boolean_t	del_default_route(uint32_t, struct in_addr *);
+int		daemonize(void);
+monosec_t	monosec(void);
+void		print_server_msg(dhcp_smach_t *, const char *, uint_t);
+boolean_t	bind_sock(int, in_port_t, in_addr_t);
+boolean_t	bind_sock_v6(int, in_port_t, const in6_addr_t *);
+const char	*iffile_to_hostname(const char *);
+int		dhcpv6_status_code(const dhcpv6_option_t *, uint_t,
+    const char **, const char **, uint_t *);
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif	/* UTIL_H */