dhcpmsg_init
dhcpmsg_init(argv[0], B_FALSE, is_verbose, debug_level);
dhcpmsg_init(argv[0], B_FALSE, is_verbose, debug_level);
dhcpmsg_init(argv[0], is_daemon, is_verbose, debug_level);
extern void dhcpmsg_init(const char *, boolean_t, boolean_t, int);