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//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// <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"));
}
}
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