/usr/include/gsl/gsl_types.h is in libgsl0-dev 1.16+dfsg-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 | /* gsl_types.h
*
* Copyright (C) 2001, 2007 Brian Gough
*
* This program 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.
*
* 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
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef __GSL_TYPES_H__
#define __GSL_TYPES_H__
#ifndef GSL_VAR
#ifdef WIN32
# ifdef GSL_DLL
# ifdef DLL_EXPORT
# define GSL_VAR extern __declspec(dllexport)
# else
# define GSL_VAR extern __declspec(dllimport)
# endif
# else
# define GSL_VAR extern
# endif
#else
# define GSL_VAR extern
#endif
#endif
#endif /* __GSL_TYPES_H__ */
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