--- /dev/null
+#ifndef INCLUDED_capab_h
+#define INCLUDED_capab_h
+/*
+ * IRC - Internet Relay Chat, include/capab.h
+ * Copyright (C) 2004 Kevin L. Mitchell <klmitch@mit.edu>
+ *
+ * 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, 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.
+ */
+/** @file
+ * @brief Interface and public definitions for capabilities extension
+ * @version $Id$
+ */
+
+#ifndef INCLUDED_client_h
+#include "client.h"
+#endif
+
+#define CAPFL_HIDDEN 0x0001 /**< Do not advertize this capability */
+#define CAPFL_PROHIBIT 0x0002 /**< Client may not set this capability */
+#define CAPFL_PROTO 0x0004 /**< Cap must be acknowledged by client */
+#define CAPFL_STICKY 0x0008 /**< Cap may not be cleared once set */
+
+#define CAPLIST \
+ _CAP(USERPFX, 0, "undernet.org/userpfx")
+
+/** Client capabilities */
+enum Capab {
+#define _CAP(cap, flags, name) CAP_ ## cap
+ CAPLIST,
+#undef _CAP
+ _CAP_LAST_CAP
+};
+
+DECLARE_FLAGSET(CapSet, _CAP_LAST_CAP);
+
+#define CapHas(cs, cap) FlagHas(cs, cap)
+#define CapSet(cs, cap) FlagSet(cs, cap)
+#define CapClr(cs, cap) FlagClr(cs, cap)
+
+#endif /* INCLUDED_capab_h */