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#ifndef SCM_HOOKS_H
#define SCM_HOOKS_H
/* Copyright 1995-1996,1999,2000-2001,2006,2008-2009,2018
* Free Software Foundation, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 3 of
* the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA
*/
#include <libguile/error.h>
#include <libguile/smob.h>
/*
* Scheme level hooks
*/
SCM_API scm_t_bits scm_tc16_hook;
#define SCM_HOOKP(x) SCM_SMOB_PREDICATE (scm_tc16_hook, x)
#define SCM_HOOK_ARITY(hook) SCM_SMOB_FLAGS (hook)
#define SCM_HOOK_PROCEDURES(hook) SCM_SMOB_OBJECT (hook)
#define SCM_SET_HOOK_PROCEDURES(hook, procs) SCM_SET_SMOB_OBJECT ((hook), (procs))
#define SCM_VALIDATE_HOOK(pos, a) SCM_MAKE_VALIDATE_MSG (pos, a, HOOKP, "hook")
SCM_API SCM scm_make_hook (SCM n_args);
SCM_API SCM scm_hook_p (SCM x);
SCM_API SCM scm_hook_empty_p (SCM hook);
SCM_API SCM scm_add_hook_x (SCM hook, SCM thunk, SCM appendp);
SCM_API SCM scm_remove_hook_x (SCM hook, SCM thunk);
SCM_API SCM scm_reset_hook_x (SCM hook);
SCM_API SCM scm_run_hook (SCM hook, SCM args);
SCM_API void scm_c_run_hook (SCM hook, SCM args);
SCM_API void scm_c_run_hookn (SCM hook, SCM *argv, size_t nargs);
SCM_API SCM scm_hook_to_list (SCM hook);
SCM_INTERNAL void scm_init_hooks (void);
#endif /* SCM_HOOKS_H */
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