21 Internet protocol [internet]

21.11 Class template ip::network_v4 [internet.network.v4]

21.11.5 ip::network_v4 I/O [internet.network.v4.io]

template<class CharT, class Traits> basic_ostream<CharT, Traits>& operator<<( basic_ostream<CharT, Traits>& os, const network_v4& net);

1

Returns: os << net.to_string().c_str().