diff --git a/ripd/rip_debug.c b/ripd/rip_debug.c
index 662e584..a267874 100644
--- a/ripd/rip_debug.c
+++ b/ripd/rip_debug.c
@@ -27,7 +27,7 @@
 unsigned long rip_debug_event = 0;
 unsigned long rip_debug_packet = 0;
 unsigned long rip_debug_zebra = 0;
-
+
 DEFUN (show_debugging_rip,
        show_debugging_rip_cmd,
        "show debugging rip",
diff --git a/ripd/rip_interface.c b/ripd/rip_interface.c
index 810b71c..22cef45 100644
--- a/ripd/rip_interface.c
+++ b/ripd/rip_interface.c
@@ -41,7 +41,7 @@
 #include "ripd/ripd.h"
 #include "ripd/rip_debug.h"
 #include "ripd/rip_interface.h"
-
+
 /* static prototypes */
 static void rip_enable_apply (struct interface *);
 static void rip_passive_interface_apply (struct interface *);
@@ -49,7 +49,7 @@
 static int rip_enable_if_lookup (const char *ifname);
 static int rip_enable_network_lookup2 (struct connected *connected);
 static void rip_enable_apply_all (void);
-
+
 struct message ri_version_msg[] = 
 {
   {RI_RIP_VERSION_1,       "1"},
@@ -68,7 +68,7 @@
 /* Vector to store passive-interface name. */
 static int passive_default;	/* are we in passive-interface default mode? */
 vector Vrip_passive_nondefault;
-
+
 /* Join to the RIP version 2 multicast group. */
 static int
 ipv4_multicast_join (int sock, 
@@ -109,7 +109,7 @@
 
   return ret;
 }
-
+
 /* Allocate new RIP's interface configuration. */
 static struct rip_interface *
 rip_interface_new (void)
@@ -754,7 +754,7 @@
 
   return 0;
 }
-
+
 /* Check interface is enabled by network statement. */
 /* Check wether the interface has at least a connected prefix that
  * is within the ripng_enable_network table. */
@@ -1142,7 +1142,7 @@
 	vector_slot (rip_enable_interface, i) = NULL;
       }
 }
-
+
 /* Utility function for looking up passive interface settings. */
 static int
 rip_passive_nondefault_lookup (const char *ifname)
@@ -1229,7 +1229,7 @@
       }
   rip_passive_interface_apply_all ();
 }
-
+
 /* RIP enable network or interface configuration. */
 DEFUN (rip_network,
        rip_network_cmd,
@@ -1913,7 +1913,7 @@
   else
     return rip_passive_nondefault_unset (vty, ifname);
 }
-
+
 /* Write rip configuration of each interface. */
 static int
 rip_interface_config_write (struct vty *vty)
diff --git a/ripd/rip_main.c b/ripd/rip_main.c
index a512fbc..e81e61b 100644
--- a/ripd/rip_main.c
+++ b/ripd/rip_main.c
@@ -126,7 +126,7 @@
 
   exit (status);
 }
-
+
 /* SIGHUP handler. */
 static void 
 sighup (void)
@@ -183,7 +183,7 @@
     .handler = &sigint,
   },
 };  
-
+
 /* Main routine of ripd. */
 int
 main (int argc, char **argv)
diff --git a/ripd/rip_peer.c b/ripd/rip_peer.c
index fd912eb..6a3add6 100644
--- a/ripd/rip_peer.c
+++ b/ripd/rip_peer.c
@@ -32,7 +32,7 @@
 
 /* Linked list of RIP peer. */
 struct list *peer_list;
-
+
 static struct rip_peer *
 rip_peer_new (void)
 {
diff --git a/ripd/rip_routemap.c b/ripd/rip_routemap.c
index cb87ea5..37a986c 100644
--- a/ripd/rip_routemap.c
+++ b/ripd/rip_routemap.c
@@ -32,7 +32,7 @@
 #include "plist.h"
 
 #include "ripd/ripd.h"
-
+
 struct rip_metric_modifier
 {
   enum 
@@ -160,7 +160,7 @@
 	}
     }
 }
-
+
 /* `match metric METRIC' */
 /* Match function return 1 if match is success else return zero. */
 static route_map_result_t
@@ -323,7 +323,7 @@
   route_match_ip_next_hop_compile,
   route_match_ip_next_hop_free
 };
-
+
 /* `match ip next-hop prefix-list PREFIX_LIST' */
 
 static route_map_result_t
@@ -370,7 +370,7 @@
   route_match_ip_next_hop_prefix_list_compile,
   route_match_ip_next_hop_prefix_list_free
 };
-
+
 /* `match ip address IP_ACCESS_LIST' */
 
 /* Match function should return 1 if match is success else return
@@ -416,7 +416,7 @@
   route_match_ip_address_compile,
   route_match_ip_address_free
 };
-
+
 /* `match ip address prefix-list PREFIX_LIST' */
 
 static route_map_result_t
@@ -507,7 +507,7 @@
   route_match_tag_compile,
   route_match_tag_free
 };
-
+
 /* `set metric METRIC' */
 
 /* Set metric to attribute. */
@@ -718,7 +718,7 @@
   route_set_tag_compile,
   route_set_tag_free
 };
-
+
 #define MATCH_STR "Match values from routing table\n"
 #define SET_STR "Set values in destination routing protocol\n"
 
diff --git a/ripd/rip_snmp.c b/ripd/rip_snmp.c
index 090ebfa..2df815b 100644
--- a/ripd/rip_snmp.c
+++ b/ripd/rip_snmp.c
@@ -33,7 +33,7 @@
 #include "smux.h"
 
 #include "ripd/ripd.h"
-
+
 /* RIPv2-MIB. */
 #define RIPV2MIB 1,3,6,1,2,1,23
 
@@ -76,7 +76,7 @@
 #define TIMETICKS   ASN_TIMETICKS
 #define IPADDRESS   ASN_IPADDRESS
 #define STRING      ASN_OCTET_STR
-
+
 /* Define SNMP local variables. */
 SNMP_LOCAL_VARIABLES
 
@@ -149,7 +149,7 @@
 };
 
 extern struct thread_master *master;
-
+
 static u_char *
 rip2Globals (struct variable *v, oid name[], size_t *length,
 	     int exact, size_t *var_len, WriteMethod **write_method)
diff --git a/ripd/rip_zebra.c b/ripd/rip_zebra.c
index 199e85e..1f6ef61 100644
--- a/ripd/rip_zebra.c
+++ b/ripd/rip_zebra.c
@@ -33,7 +33,7 @@
 
 /* All information about zebra. */
 struct zclient *zclient = NULL;
-
+
 /* RIPd to zebra command interface. */
 void
 rip_zebra_ipv4_add (struct prefix_ipv4 *p, struct in_addr *nexthop, 
@@ -196,7 +196,7 @@
 
   return 0;
 }
-
+
 /* Redistribution types */
 static struct {
   int type;
@@ -551,7 +551,7 @@
 
   return CMD_WARNING;
 }
-
+
 /* Default information originate. */
 
 DEFUN (rip_default_information_originate,
@@ -597,7 +597,7 @@
 
   return CMD_SUCCESS;
 }
-
+
 /* RIP configuration write function. */
 static int
 config_write_zebra (struct vty *vty)
diff --git a/ripd/ripd.c b/ripd/ripd.c
index 01bd69e..dfeb951 100644
--- a/ripd/ripd.c
+++ b/ripd/ripd.c
@@ -61,20 +61,20 @@
 
 /* RIP queries. */
 long rip_global_queries = 0;
-
+
 /* Prototypes. */
 static void rip_event (enum rip_event, int);
 static void rip_output_process (struct connected *, struct sockaddr_in *, int, u_char);
 static int rip_triggered_update (struct thread *);
 static int rip_update_jitter (unsigned long);
-
+
 /* RIP output routes type. */
 enum
 {
   rip_all_route,
   rip_changed_route
 };
-
+
 /* RIP command strings. */
 static const struct message rip_msg[] =
 {
@@ -86,7 +86,7 @@
   {RIP_POLL_ENTRY, "POLL ENTRY"},
   {0, NULL},
 };
-
+
 /* Utility function to set boradcast option to the socket. */
 static int
 sockopt_broadcast (int sock)
@@ -2774,7 +2774,7 @@
     }
   return sizeof (rip_packet);
 }
-
+
 static int
 rip_update_jitter (unsigned long time)
 {
@@ -2828,7 +2828,7 @@
       break;
     }
 }
-
+
 DEFUN (router_rip,
        router_rip_cmd,
        "router rip",
@@ -3104,7 +3104,7 @@
        "Routing information timeout timer. Default is 180.\n"
        "Garbage collection timer. Default is 120.\n")
 
-
+
 struct route_table *rip_distance_table;
 
 struct rip_distance
@@ -3372,7 +3372,7 @@
   rip_distance_unset (vty, argv[0], argv[1], argv[2]);
   return CMD_SUCCESS;
 }
-
+
 /* Print out routes update time. */
 static void
 rip_vty_out_uptime (struct vty *vty, struct rip_info *rinfo)
@@ -3696,7 +3696,7 @@
   "%s(config-router)# ",
   1
 };
-
+
 /* Distribute-list update functions. */
 static void
 rip_distribute_update (struct distribute *dist)
@@ -3787,7 +3787,7 @@
 {
         rip_distribute_update_all(NULL);
 }
-
+
 /* Delete all added rip route. */
 void
 rip_clean (void)