string[] 转到 char*[] c/c++

std::vector<std::string> temp;
temp.push_back("11111");
temp.push_back("22222");
temp.push_back("33333");
temp.push_back("44444");
temp.push_back("55555");
temp.push_back("66666");

想得到一个 char*[]

每一个 std::string 不就是一个 char*？ 

String operations:

c_str

Get C string equivalent (public member function )

data

Get string data (public member function )