Hm.

lib/hooks.h

@@ -0,0 +1,34 @@
+/*
+    hooks.h -- header file for hooks.c
+    Copyright (C) 2002 Guus Sliepen <guus@sliepen.warande.net>,
+                  2002 Ivo Timmermans <ivo@o2w.nl>
+
+    This program 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 this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+    $Id: hooks.h,v 1.2 2002/05/07 14:48:41 zarq Exp $
+*/
+
+#ifndef __TINC_HOOKS_H__
+#define __TINC_HOOKS_H__
+
+#include <stdarg.h>
+
+typedef void (hook_function_t)(const char*,va_list);
+
+void run_hooks(const char *type, ...);
+void add_hook(const char *type, hook_function_t *hook);
+void del_hook(const char *type, hook_function_t *hook);
+
+#endif /* __TINC_HOOKS_H__ */