diff -urN dsniff-2.4.org/sshow.c dsniff-2.4/sshow.c
--- dsniff-2.4.org/sshow.c	2003-11-08 22:37:23.000000000 +0100
+++ dsniff-2.4/sshow.c	2003-11-08 22:55:31.000000000 +0100
@@ -25,6 +25,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <time.h>
 #include <ctype.h>
 #include <unistd.h>
 #include <signal.h>
@@ -222,7 +223,7 @@
 	if (debug)
 		printf("- %s -> %s: DATA (%s bytes, %.2f seconds)\n",
 			s_saddr(ts), s_daddr(ts), s_range(plain_range),
-			(float)delay / CLK_TCK);
+			(float)delay / CLOCKS_PER_SEC);
 	if (debug > 1)
 		print_data(&ts->server, cipher_size);
 
@@ -270,7 +271,7 @@
 	if (debug)
 		printf("- %s <- %s: DATA (%s bytes, %.2f seconds)\n",
 		       s_saddr(ts), s_daddr(ts), s_range(plain_range),
-		       (float)delay / CLK_TCK);
+		       (float)delay / CLOCKS_PER_SEC);
 	if (debug > 1)
 		print_data(&ts->client, cipher_size);
 	
@@ -299,7 +300,7 @@
 	
 	if (session->state == 1 &&
 #ifdef USE_TIMING
-	    now - get_history(session, 2)->timestamp >= CLK_TCK &&
+	    now - get_history(session, 2)->timestamp >= CLOCKS_PER_SEC &&
 #endif
 	    session->protocol == 1 &&
 	    (session->history.directions & 7) == 5 &&