42 lines
1.2 KiB
C
42 lines
1.2 KiB
C
/* -*-comment-start: "//";comment-end:""-*-
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* Mes --- Maxwell Equations of Software
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* Copyright © 2017 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
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*
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* This file is part of Mes.
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*
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* Mes is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or (at
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* your option) any later version.
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*
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* Mes is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Mes. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __MES_STDDEF_H
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#define __MES_STDDEF_H 1
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#if WITH_GLIBC
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#undef __MES_STDDEF_H
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#include_next <stddef.h>
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#else // ! WITH_GLIBC
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#include <stdint.h>
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#include <unistd.h>
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#ifndef offsetof
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#if __MESC__
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#define offsetof(type, field) (&((type *)0)->field)
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#else // !__MESC__
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#define offsetof(type, field) ((size_t)&((type *)0)->field)
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#endif // !__MESC__
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#endif // offsetof
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#endif // ! WITH_GLIBC
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#endif // __MES_STDDEF_H
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