+/*
+ * Option variables and default values.
+ */
+int debug = 0; /* Debug flag */
+int kdebugflag = 0; /* Tell kernel to print debug messages */
+int default_device = 1; /* Using /dev/tty or equivalent */
+char devnam[MAXPATHLEN] = "/dev/tty"; /* Device name */
+int crtscts = 0; /* Use hardware flow control */
+int modem = 1; /* Use modem control lines */
+int inspeed = 0; /* Input/Output speed requested */
+uint32 netmask = 0; /* IP netmask to set on interface */
+int lockflag = 0; /* Create lock file to lock the serial dev */
+int nodetach = 0; /* Don't detach from controlling tty */
+char *connector = NULL; /* Script to establish physical link */
+char *disconnector = NULL; /* Script to disestablish physical link */
+char user[MAXNAMELEN]; /* Username for PAP */
+char passwd[MAXSECRETLEN]; /* Password for PAP */
+int auth_required = 0; /* Peer is required to authenticate */
+int defaultroute = 0; /* assign default route through interface */
+int proxyarp = 0; /* Set up proxy ARP entry for peer */
+int persist = 0; /* Reopen link after it goes down */
+int uselogin = 0; /* Use /etc/passwd for checking PAP */
+int lcp_echo_interval = 0; /* Interval between LCP echo-requests */
+int lcp_echo_fails = 0; /* Tolerance to unanswered echo-requests */
+char our_name[MAXNAMELEN]; /* Our name for authentication purposes */
+char remote_name[MAXNAMELEN]; /* Peer's name for authentication */
+int usehostname = 0; /* Use hostname for our_name */
+int disable_defaultip = 0; /* Don't use hostname for default IP adrs */
+