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