29 lines
		
	
	
		
			707 B
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			29 lines
		
	
	
		
			707 B
		
	
	
	
		
			C++
		
	
	
	
//===----------------------------------------------------------------------===//
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//
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//                     The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// <strstream>
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// class strstream
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// strstreambuf* rdbuf() const;
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#include <strstream>
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#include <cassert>
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int main()
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{
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    {
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        char buf[] = "123 4.5 dog";
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        const std::strstream out(buf, 0);
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        std::strstreambuf* sb = out.rdbuf();
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        assert(sb->sputc('a') == 'a');
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        assert(buf == std::string("a23 4.5 dog"));
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    }
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}
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