example: release them in the public domain

I have decided to release the examples in this library in the public
domain. Jan Engelhardt, who has been the sole contributor so far, has
agreed with this re-licensing by communication via e-mail.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

12 files changed, 12 insertions, 72 deletions

diff --git a/examples/genl/genl-family-get.c b/examples/genl/genl-family-get.c
index b16f7b6..50f7ea3 100644
--- a/examples/genl/genl-family-get.c
+++ b/examples/genl/genl-family-get.c
@@ -1,9 +1,4 @@
-/*
- * (C) 2009-2010 by Pablo Neira Ayuso <pablo@netfilter.org>
- *
- * This software may be used and distributed according to the terms
- * of the GNU General Public License, incorporated herein by reference.
- */
+/* This example is placed in the public domain. */
 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>
diff --git a/examples/netfilter/nf-log.c b/examples/netfilter/nf-log.c
index 8f0a877..a862912 100644
--- a/examples/netfilter/nf-log.c
+++ b/examples/netfilter/nf-log.c
@@ -1,9 +1,4 @@
-/*
- * (C) 2010 by Pablo Neira Ayuso <pablo@netfilter.org>
- *
- * This software may be used and distributed according to the terms
- * of the GNU General Public License, incorporated herein by reference.
- */
+/* This example is placed in the public domain. */
 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>
diff --git a/examples/netfilter/nf-queue.c b/examples/netfilter/nf-queue.c
index 3658ba2..c66611f 100644
--- a/examples/netfilter/nf-queue.c
+++ b/examples/netfilter/nf-queue.c
@@ -1,9 +1,4 @@
-/*
- * (C) 2010 by Pablo Neira Ayuso <pablo@netfilter.org>
- *
- * This software may be used and distributed according to the terms
- * of the GNU General Public License, incorporated herein by reference.
- */
+/* This example is placed in the public domain. */
 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>
diff --git a/examples/netfilter/nfct-create-batch.c b/examples/netfilter/nfct-create-batch.c
index 36ad8c7..dd6623f 100644
--- a/examples/netfilter/nfct-create-batch.c
+++ b/examples/netfilter/nfct-create-batch.c
@@ -1,9 +1,4 @@
-/*
- * (C) 2010 by Pablo Neira Ayuso <pablo@netfilter.org>
- *
- * This software may be used and distributed according to the terms
- * of the GNU General Public License, incorporated herein by reference.
- */
+/* This example is placed in the public domain. */
 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>
diff --git a/examples/netfilter/nfct-event.c b/examples/netfilter/nfct-event.c
index f86f9ad..94603d4 100644
--- a/examples/netfilter/nfct-event.c
+++ b/examples/netfilter/nfct-event.c
@@ -1,9 +1,4 @@
-/*
- * (C) 2010 by Pablo Neira Ayuso <pablo@netfilter.org>
- *
- * This software may be used and distributed according to the terms
- * of the GNU General Public License, incorporated herein by reference.
- */
+/* This example is placed in the public domain. */
 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>
diff --git a/examples/rtnl/rtnl-link-dump.c b/examples/rtnl/rtnl-link-dump.c
index 3fe3d95..159f3b6 100644
--- a/examples/rtnl/rtnl-link-dump.c
+++ b/examples/rtnl/rtnl-link-dump.c
@@ -1,9 +1,4 @@
-/*
- * (C) 2009-2010 by Pablo Neira Ayuso <pablo@netfilter.org>
- *
- * This software may be used and distributed according to the terms
- * of the GNU General Public License, incorporated herein by reference.
- */
+/* This example is placed in the public domain. */
 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>
diff --git a/examples/rtnl/rtnl-link-dump2.c b/examples/rtnl/rtnl-link-dump2.c
index d8da121..78f31a8 100644
--- a/examples/rtnl/rtnl-link-dump2.c
+++ b/examples/rtnl/rtnl-link-dump2.c
@@ -1,9 +1,4 @@
-/*
- * (C) 2009-2010 by Pablo Neira Ayuso <pablo@netfilter.org>
- *
- * This software may be used and distributed according to the terms
- * of the GNU General Public License, incorporated herein by reference.
- */
+/* This example is placed in the public domain. */
 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>
diff --git a/examples/rtnl/rtnl-link-dump3.c b/examples/rtnl/rtnl-link-dump3.c
index ccfc8a1..a6dce6f 100644
--- a/examples/rtnl/rtnl-link-dump3.c
+++ b/examples/rtnl/rtnl-link-dump3.c
@@ -1,9 +1,4 @@
-/*
- * (C) 2009-2010 by Pablo Neira Ayuso <pablo@netfilter.org>
- *
- * This software may be used and distributed according to the terms
- * of the GNU General Public License, incorporated herein by reference.
- */
+/* This example is placed in the public domain. */
 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>
diff --git a/examples/rtnl/rtnl-link-event.c b/examples/rtnl/rtnl-link-event.c
index 9338e12..90bb8e5 100644
--- a/examples/rtnl/rtnl-link-event.c
+++ b/examples/rtnl/rtnl-link-event.c
@@ -1,9 +1,4 @@
-/*
- * (C) 2009-2010 by Pablo Neira Ayuso <pablo@netfilter.org>
- *
- * This software may be used and distributed according to the terms
- * of the GNU General Public License, incorporated herein by reference.
- */
+/* This example is placed in the public domain. */
 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>
diff --git a/examples/rtnl/rtnl-link-set.c b/examples/rtnl/rtnl-link-set.c
index 28b376c..dad8856 100644
--- a/examples/rtnl/rtnl-link-set.c
+++ b/examples/rtnl/rtnl-link-set.c
@@ -1,9 +1,4 @@
-/*
- * (C) 2009-2010 by Pablo Neira Ayuso <pablo@netfilter.org>
- *
- * This software may be used and distributed according to the terms
- * of the GNU General Public License, incorporated herein by reference.
- */
+/* This example is placed in the public domain. */
 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>
diff --git a/examples/rtnl/rtnl-route-add.c b/examples/rtnl/rtnl-route-add.c
index 26105b3..6d166da 100644
--- a/examples/rtnl/rtnl-route-add.c
+++ b/examples/rtnl/rtnl-route-add.c
@@ -1,9 +1,4 @@
-/*
- * (C) 2009-2010 by Pablo Neira Ayuso <pablo@netfilter.org>
- *
- * This software may be used and distributed according to the terms
- * of the GNU General Public License, incorporated herein by reference.
- */
+/* This example is placed in the public domain. */
 #include <netinet/in.h>
 #include <arpa/inet.h>
 #include <time.h>
diff --git a/examples/rtnl/rtnl-route-dump.c b/examples/rtnl/rtnl-route-dump.c
index 3622c1b..fdd3420 100644
--- a/examples/rtnl/rtnl-route-dump.c
+++ b/examples/rtnl/rtnl-route-dump.c
@@ -1,9 +1,4 @@
-/*
- * (C) 2009-2010 by Pablo Neira Ayuso <pablo@netfilter.org>
- *
- * This software may be used and distributed according to the terms
- * of the GNU General Public License, incorporated herein by reference.
- */
+/* This example is placed in the public domain. */
 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>