--- ./tcpdump.c.orig	2005-11-01 22:43:16.000000000 +0100
+++ ./tcpdump.c	2005-11-01 22:50:29.000000000 +0100
@@ -496,7 +496,7 @@
 
 	opterr = 0;
 	while (
-	    (op = getopt(argc, argv, "aA" B_FLAG "c:C:d" D_FLAG "eE:fF:i:lLm:M:nNOpqr:Rs:StT:u" U_FLAG "vw:W:xXy:YZ:")) != -1)
+	    (op = getopt(argc, argv, "aA" B_FLAG "c:C:d" D_FLAG "eE:fF:i:j:lLm:M:nNOpqr:Rs:StT:u" U_FLAG "vw:W:xXy:YZ:")) != -1)
 		switch (op) {
 
 		case 'a':
@@ -605,6 +605,10 @@
 			device = optarg;
 			break;
 
+		case 'j':
+			chroot_dir = optarg;
+			break;
+
 		case 'l':
 #ifdef WIN32
 			/*
@@ -1414,7 +1418,7 @@
 	(void)fprintf(stderr,
 "\t\t[ -W filecount ] [ -y datalinktype ] [ -Z user ]\n");
 	(void)fprintf(stderr,
-"\t\t[ expression ]\n");
+"\t\t[ -j chroot ] [ expression ]\n");
 	exit(1);
 }
 
--- ./tcpdump.1.orig	2005-11-01 22:50:41.000000000 +0100
+++ ./tcpdump.1	2005-11-01 22:57:42.000000000 +0100
@@ -50,6 +50,10 @@
 .I interface
 ]
 [
+.B \-j
+.I chroot
+]
+[
 .B \-m
 .I module
 ]
@@ -374,6 +378,14 @@
 .I interface
 argument.
 .TP
+.B \-j
+If the chroot option was compiled in, then the process will change its
+root to the \fIchroot\fP directory if specified, or the compiled-in
+directory otherwise. Check your rights when using chroot with
+.B \-C
+/
+.B \-W .
+.TP
 .B \-l
 Make stdout line buffered.
 Useful if you want to see the data