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-/* A C macro for declaring that specific function parameters are not used.
- Copyright (C) 2008-2018 Free Software Foundation, Inc.
-
- This program is free software: you can redistribute it and/or
- modify it under the terms of either:
-
- * 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.
-
- or
-
- * 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.
-
- or both in parallel, as here.
- 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
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with this program. If not, see <https://www.gnu.org/licenses/>. */
-
-/* _GL_UNUSED_PARAMETER is a marker that can be appended to function parameter
- declarations for parameters that are not used. This helps to reduce
- warnings, such as from GCC -Wunused-parameter. The syntax is as follows:
- type param _GL_UNUSED_PARAMETER
- or more generally
- param_decl _GL_UNUSED_PARAMETER
- For example:
- int param _GL_UNUSED_PARAMETER
- int *(*param)(void) _GL_UNUSED_PARAMETER
- Other possible, but obscure and discouraged syntaxes:
- int _GL_UNUSED_PARAMETER *(*param)(void)
- _GL_UNUSED_PARAMETER int *(*param)(void)
- */
-#ifndef _GL_UNUSED_PARAMETER
-# if __GNUC__ >= 3 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7)
-# define _GL_UNUSED_PARAMETER __attribute__ ((__unused__))
-# else
-# define _GL_UNUSED_PARAMETER
-# endif
-#endif