conv_utf8_to_sjis.cpp

auto conv_utf8_to_sjis = [](string srcUTF8) -> string
	{
		int lenghtUnicode = MultiByteToWideChar(CP_UTF8, 0, srcUTF8.c_str(), srcUTF8.size() + 1, NULL, 0);
		wchar_t* bufUnicode = new wchar_t[lenghtUnicode];
		MultiByteToWideChar(CP_UTF8, 0, srcUTF8.c_str(), srcUTF8.size() + 1, bufUnicode, lenghtUnicode);
		int lengthSJis = WideCharToMultiByte(CP_THREAD_ACP, 0, bufUnicode, -1, NULL, 0, NULL, NULL);
		char* bufShiftJis = new char[lengthSJis];
		WideCharToMultiByte(CP_THREAD_ACP, 0, bufUnicode, lenghtUnicode + 1, bufShiftJis, lengthSJis, NULL, NULL);
		string strSJis(bufShiftJis);
		delete bufUnicode;
		delete bufShiftJis;
		return strSJis;
	};