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44 lines
1.1 KiB
C++
44 lines
1.1 KiB
C++
// (C) Copyright John Maddock 2001.
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// Use, modification and distribution are subject to the
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// Boost Software License, Version 1.0. (See accompanying file
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// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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// See http://www.boost.org/libs/config for most recent version.
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// MACRO: BOOST_NO_STDC_NAMESPACE
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// TITLE: std:: namespace for C API's
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// DESCRIPTION: The contents of C++ standard headers for C library
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// functions (the <c...> headers) have not been placed
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// in namespace std. This test is difficult - some libraries
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// "fake" the std C functions by adding using declarations
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// to import them into namespace std, unfortunately they don't
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// necessarily catch all of them...
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#include <cstring>
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#include <cctype>
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#include <ctime>
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#undef isspace
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#undef isalpha
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#undef ispunct
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namespace boost_no_stdc_namespace{
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int test()
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{
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char c = 0;
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#ifndef BOOST_NO_CTYPE_FUNCTIONS
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(void)std::isspace(c);
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(void)std::isalpha(c);
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(void)std::ispunct(c);
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#endif
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(void)std::strlen(&c);
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(void)std::clock();
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return 0;
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}
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}
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