7388 Support DHCP Client FQDN. Allow IAID/DUID for all v4.

*** 18,27 ****
--- 18,28 ----
   *
   * CDDL HEADER END
   */
  /*
   * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
+  * Copyright (c) 2016, Chris Fraire <cfraire@me.com>.
   */
  
  #ifndef UTIL_H
  #define UTIL_H
  
*** 31,40 ****
--- 32,42 ----
  #include <netinet/dhcp6.h>
  #include <libinetutil.h>
  #include <dhcpagent_ipc.h>
  
  #include "common.h"
+ #include "packet.h"
  
  /*
   * general utility functions which have no better home.  see util.c
   * for documentation on how to use the exported functions.
   */
*** 73,82 ****
--- 75,86 ----
  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 *);
  void            write_lease_to_hostconf(dhcp_smach_t *);
+ int                     dhcp_add_hostname_opt(dhcp_pkt_t *, dhcp_smach_t *);
+ int                     dhcp_add_fqdn_opt(dhcp_pkt_t *, dhcp_smach_t *);
  
  #ifdef  __cplusplus
  }
  #endif