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/*
* ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
* hook.h: A header for the hooks into parts of ircd.
*
* Copyright (C) 2002 by the past and present ircd coders, and others.
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*
* $Id$
*/
#ifndef __HOOK_H_INCLUDED
#define __HOOK_H_INCLUDED
#define HOOK_V2
typedef void *CBFUNC(va_list);
struct Callback
{
char *name;
dlink_list chain;
dlink_node node;
unsigned int called;
time_t last;
};
struct Client;
extern struct Callback *register_callback(const char *, CBFUNC *);
extern void *execute_callback(struct Callback *, ...);
extern struct Callback *find_callback(const char *);
extern dlink_node *install_hook(struct Callback *, CBFUNC *);
extern void uninstall_hook(struct Callback *, CBFUNC *);
extern void *pass_callback(dlink_node *, ...);
extern void stats_hooks(struct Client *);
#define is_callback_present(c) (!!dlink_list_length(&c->chain))
#endif
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