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void
cppshell::stream::to_ostream(
	cppshell::stream::object &_stream,
	std::ostream &_ostream)
{
	std::size_t const buffer_size = 1024u;
	std::array<char,buffer_size> buffer;
 
	while(
		ssize_t const read_bytes =
			::read(
				_stream.fd(),
				buffer.data(),
				buffer.size()))
	{
		cppshell::check_unix_command_error(
			"read",
			static_cast<int>(
				read_bytes));
 
		if(!
			_ostream.write(
				buffer.data(),
				static_cast<std::streamsize>(
					read_bytes)))
			throw
				cppshell::exception{
					std::string{
						"to_ostream failed: ostream::write failed"}};
	}
}
 

prog.cpp:2:1: error: 'cppshell' has not been declared
 cppshell::stream::to_ostream(
 ^
prog.cpp:3:2: error: variable or field 'to_ostream' declared void
  cppshell::stream::object &_stream,
  ^
prog.cpp:3:2: error: 'cppshell' has not been declared
prog.cpp:3:28: error: '_stream' was not declared in this scope
  cppshell::stream::object &_stream,
                            ^
prog.cpp:4:2: error: 'ostream' is not a member of 'std'
  std::ostream &_ostream)
  ^
prog.cpp:4:16: error: '_ostream' was not declared in this scope
  std::ostream &_ostream)
                ^

Standard output is empty