/usr/include/unistring/cdefs.h is in libunistring-dev 0.9.6+really0.9.3-0.1.
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 42 | /* Common macro definitions for C include files.
Copyright (C) 2009 Free Software Foundation, Inc.
This program 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.
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 <http://www.gnu.org/licenses/>. */
#ifndef _UNISTRING_CDEFS_H
#define _UNISTRING_CDEFS_H
/* The definition of _GL_UNUSED_PARAMETER is copied here. */
/* _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
#endif /* _UNISTRING_CDEFS_H */
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