c++ split string

vector<string> split(const string& in, const string& delim)
{
	stringstream tran(in.c_str());
	string tmp;
	vector<string> out;
	out.clear();
	while(std::getline(tran,tmp,*(delim.c_str())))
	{
		out.push_back(tmp);
	}
	return out;
}