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diff --git a/libguile/exceptions.h b/libguile/exceptions.h
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+#ifndef SCM_EXCEPTIONS_H
+#define SCM_EXCEPTIONS_H
+
+/* Copyright 1995-1996,1998,2000,2006,2008,2010,2014,2017-2019
+ Free Software Foundation, Inc.
+
+ This file is part of Guile.
+
+ Guile 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.
+
+ Guile 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 Guile. If not, see
+ <https://www.gnu.org/licenses/>. */
+
+
+
+#include "libguile/scm.h"
+
+
+
+typedef SCM (*scm_t_thunk) (void *data);
+typedef SCM (*scm_t_exception_handler) (void *data, SCM exn);
+
+SCM_INTERNAL SCM scm_c_make_thunk (scm_t_thunk body,
+ void *body_data);
+SCM_INTERNAL SCM scm_c_make_exception_handler (scm_t_exception_handler h,
+ void *handler_data);
+
+SCM_INTERNAL SCM scm_c_with_exception_handler (SCM type,
+ scm_t_exception_handler handler,
+ void *handler_data,
+ scm_t_thunk thunk,
+ void *thunk_data);
+
+SCM_INTERNAL SCM scm_c_with_default_exception_handler (scm_t_thunk thunk,
+ void *data);
+
+SCM_INTERNAL SCM scm_with_exception_handler (SCM type, SCM handler, SCM thunk);
+SCM_INTERNAL SCM scm_with_pre_unwind_exception_handler (SCM handler, SCM thunk);
+SCM_INTERNAL SCM scm_raise_exception (SCM exn) SCM_NORETURN;
+
+SCM_INTERNAL SCM scm_exception_kind (SCM exn);
+SCM_INTERNAL SCM scm_exception_args (SCM exn);
+
+SCM_INTERNAL void scm_dynwind_throw_handler (void);
+
+/* This raises a `stack-overflow' exception, without running pre-unwind
+ handlers. */
+SCM_API void scm_report_stack_overflow (void);
+
+/* This raises an `out-of-memory' exception, without running pre-unwind
+ handlers. */
+SCM_API void scm_report_out_of_memory (void);
+
+SCM_INTERNAL void scm_init_exceptions (void);
+
+#endif /* SCM_EXCEPTIONS_H */