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/* Portable API for dynamic loading.
Copyright 2015-2022 Free Software Foundation, Inc.
This file is part of GNU Emacs.
GNU Emacs 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 3 of the License, or (at
your option) any later version.
GNU Emacs 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 GNU Emacs. If not, see <https://www.gnu.org/licenses/>. */
#ifndef DYNLIB_H
#define DYNLIB_H
#include <stdbool.h>
typedef void *dynlib_handle_ptr;
dynlib_handle_ptr dynlib_open (const char *path);
dynlib_handle_ptr dynlib_open_for_eln (const char *path);
int dynlib_close (dynlib_handle_ptr h);
const char *dynlib_error (void);
ATTRIBUTE_MAY_ALIAS void *dynlib_sym (dynlib_handle_ptr h, const char *sym);
typedef void (ATTRIBUTE_MAY_ALIAS *dynlib_function_ptr) (void);
dynlib_function_ptr dynlib_func (dynlib_handle_ptr h, const char *sym);
/* Sets *FILE to the file name from which PTR was loaded, and *SYM to
its symbol name. If the file or symbol name could not be
determined, set the corresponding argument to NULL. */
void dynlib_addr (void (*ptr) (void), const char **file, const char **sym);
#endif /* DYNLIB_H */
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