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/* x-hook.h -- lists of function,data pairs to call.
Copyright (c) 2003 Apple Computer, Inc. All rights reserved.
Permission is hereby granted, free of charge, to any person
obtaining a copy of this software and associated documentation files
(the "Software"), to deal in the Software without restriction,
including without limitation the rights to use, copy, modify, merge,
publish, distribute, sublicense, and/or sell copies of the Software,
and to permit persons to whom the Software is furnished to do so,
subject to the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT
HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.
Except as contained in this notice, the name(s) of the above
copyright holders shall not be used in advertising or otherwise to
promote the sale, use or other dealings in this Software without
prior written authorization. */
#ifndef X_HOOK_H
#define X_HOOK_H 1
#include "x-list.h"
typedef void x_hook_function (void *arg, void *data);
X_EXTERN x_list *X_PFX (hook_add) (x_list *lst, x_hook_function *fun, void *data);
X_EXTERN x_list *X_PFX (hook_remove) (x_list *lst, x_hook_function *fun, void *data);
X_EXTERN void X_PFX (hook_run) (x_list *lst, void *arg);
X_EXTERN void X_PFX (hook_free) (x_list *lst);
#endif /* X_HOOK_H */
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