X-Git-Url: https://git.distorted.org.uk/~mdw/userv-utils/blobdiff_plain/aaa9ab3ad43917293ff70ee9cd3654906118fc08..103cf040884458e0b4bdea9385c323a965cfaf6d:/ipif/forwarder.h

diff --git a/ipif/forwarder.h b/ipif/forwarder.h
index 08eee56..a9b88b6 100644
--- a/ipif/forwarder.h
+++ b/ipif/forwarder.h
@@ -1,4 +1,22 @@
 /*
+ * Encrypting tunnel for userv-ipif tunnels, header file
+ */
+/*
+ * Copyright (C) 2000 Ian Jackson
+ *
+ * This is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with userv-utils; if not, write to the Free Software
+ * Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  */
 
 #ifndef MECHS_H
@@ -39,7 +57,8 @@ extern const struct mechanism *const mechanismlists[];
  * 
  * setup_in function may increase maxprefix and maxsuffix
  * code functions modify buffer in place
- * decode function returns message to print
+ * decode function returns 0 meaning packet decoded ok,
+ *  "" meaning discard it quietly, or message to print for verbose discard
  */
   
 const char *getarg_string(void);