Boost C++ Libraries

...one of the most highly regarded and expertly designed C++ library projects in the world. — Herb Sutter and Andrei Alexandrescu, C++ Coding Standards

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ip::host_name

Get the current host name.

std::string host_name();
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std::string host_name(
    boost::system::error_code & ec);
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Requirements

Header: boost/asio/ip/host_name.hpp

Convenience header: boost/asio.hpp