/usr/include/pari/parisys.h is in libpari-dev 2.5.0-2ubuntu1.
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 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 | /* $Id: parisys.h 12331 2010-05-26 18:49:56Z bill $
Copyright (C) 2000 The PARI group.
This file is part of the PARI/GP package.
PARI/GP 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. It is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY WHATSOEVER.
Check the License for details. You should have received a copy of it, along
with the package; see the file 'COPYING'. If not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
/* This files contains macros depending on system and compiler */
#ifndef LITTLE_ENDIAN_64
# define LITTLE_ENDIAN_64 12345678
#endif
#ifndef BIG_ENDIAN_64
# define BIG_ENDIAN_64 87654321
#endif
#ifndef LITTLE_ENDIAN
# define LITTLE_ENDIAN 1234
#endif
#ifndef BIG_ENDIAN
# define BIG_ENDIAN 4321
#endif
#ifndef PDP_ENDIAN
# define PDP_ENDIAN 3412
#endif
#ifdef __cplusplus
# define ANYARG ...
# define BEGINEXTERN extern "C" {
# define ENDEXTERN }
#else
# define ANYARG
# define BEGINEXTERN
# define ENDEXTERN
#endif
#ifdef DISABLE_INLINE
# undef ASMINLINE
#else
# ifdef __cplusplus
# define INLINE inline static
# elif defined(__GNUC__)
# define INLINE __inline__ static
# endif
#endif
#ifndef DISABLE_VOLATILE
# ifdef __GNUC__
# define VOLATILE volatile
# endif
#endif
#ifndef VOLATILE
# define VOLATILE
#endif
#ifndef INLINE
# define INLINE static
#endif
#ifdef ENABLE_TLS
# define THREAD __thread
#else
# define THREAD
#endif
#if defined(_WIN32) || defined(__CYGWIN32__)
/* ANSI C does not allow to longjmp() out of a signal handler, in particular,
* the SIGINT handler. On Win32, the handler is executed in another thread, and
* longjmp'ing into another thread's stack will utterly confuse the system.
* Instead, we check whether win32ctrlc is set in new_chunk(). */
BEGINEXTERN
extern int win32ctrlc;
void dowin32ctrlc(void);
ENDEXTERN
#define CHECK_CTRLC if (win32ctrlc) dowin32ctrlc();
#else
#define CHECK_CTRLC
#endif
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