/usr/include/stxxl/bits/common/seed.h is in libstxxl-dev 1.3.1-1.
This file is owned by root:root, with mode 0o644.
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* include/stxxl/bits/common/seed.h
*
* Part of the STXXL. See http://stxxl.sourceforge.net
*
* Copyright (C) 2007 Andreas Beckmann <beckmann@mpi-inf.mpg.de>
*
* Distributed under the Boost Software License, Version 1.0.
* (See accompanying file LICENSE_1_0.txt or copy at
* http://www.boost.org/LICENSE_1_0.txt)
**************************************************************************/
#ifndef STXXL_SEED_HEADER
#define STXXL_SEED_HEADER
#include <stxxl/bits/namespace.h>
__STXXL_BEGIN_NAMESPACE
//! \brief set the global stxxl seed value
void set_seed(unsigned seed);
//! \brief get a seed value for prng initialization,
//! subsequent calls return a sequence of different values
unsigned get_next_seed();
__STXXL_END_NAMESPACE
#endif // !STXXL_SEED_HEADER
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