Remove tab characters.

kernel.c

@@ -88,7 +88,7 @@ read_random_bytes(void *buf, size_t len)
 
     fd = open("/dev/urandom", O_RDONLY);
     if(fd < 0) {
-	rc = -1;
+        rc = -1;
     } else {
         rc = read(fd, buf, len);
         if(rc < 0 || (unsigned)rc < len)

kernel_socket.c

@@ -138,7 +138,7 @@ fail:
 }
 
 /* KAME said : "Following two macros are highly depending on KAME Release" */
-#define	IN6_LINKLOCAL_IFINDEX(a)  ((a).s6_addr[2] << 8 | (a).s6_addr[3])
+#define IN6_LINKLOCAL_IFINDEX(a)  ((a).s6_addr[2] << 8 | (a).s6_addr[3])
 #define SET_IN6_LINKLOCAL_IFINDEX(a, i)         \
     do {                                        \
         (a).s6_addr[2] = ((i) >> 8) & 0xff;     \
@@ -171,7 +171,7 @@ mask2len(const unsigned char *p, const int size)
     }
     if(j < size) {
         switch(*p) {
-#define	MASKLEN(m, l)	case m: do { i += l; break; } while (0)
+#define MASKLEN(m, l) case m: do { i += l; break; } while (0)
             MASKLEN(0xfe, 7); break;
             MASKLEN(0xfc, 6); break;
             MASKLEN(0xf8, 5); break;
@@ -179,7 +179,7 @@ mask2len(const unsigned char *p, const int size)
             MASKLEN(0xe0, 3); break;
             MASKLEN(0xc0, 2); break;
             MASKLEN(0x80, 1); break;
-#undef	MASKLEN
+#undef MASKLEN
         }
     }
     return i;
@@ -674,7 +674,7 @@ kernel_routes(struct kernel_route *routes, int maxroutes)
     mib[2] = 0;
     mib[3] = AF_UNSPEC;      /* Address family */
     mib[4] = NET_RT_DUMP; /* Dump the kernel routing table */
-    mib[5] = 0;		  /* No flags */
+    mib[5] = 0;           /* No flags */
 
     rc = sysctl(mib, 6, NULL, &len, NULL, 0);
     if (rc < 0) {

message.c

@@ -619,7 +619,7 @@ parse_packet(const unsigned char *from, struct interface *ifp,
         if (valid_rtt(neigh)) {
             /* Running exponential average. */
             smoothed_rtt = (ifp->rtt_decay * rtt +
-			    (256 - ifp->rtt_decay) * neigh->rtt);
+                            (256 - ifp->rtt_decay) * neigh->rtt);
             /* Rounding (up or down) to get closer to the sample. */
             neigh->rtt = (neigh->rtt >= rtt) ? smoothed_rtt / 256 :
                 (smoothed_rtt + 255) / 256;