Receive the following errors when trying to include about httprequest HOT 7 CLOSED

HTTPRequest.hpp: In member function 'http::Response http::Request::send(const string&, const string&, const std::vector<std::__cxx11::basic_string<char> >&)':
HTTPRequest.hpp:398:72: error: 'getaddrinfo' was not declared in this scope    
             if (getaddrinfo(domain.c_str(), port.c_str(), &hints, &info) != 0)
                                                                        ^
HTTPRequest.hpp:401:49: error: 'freeaddrinfo' was not declared in this scope
             std::unique_ptr<addrinfo, decltype(&freeaddrinfo)> addressInfo(info, freeaddrinfo);
                                                 ^~~~~~~~~~~~
HTTPRequest.hpp:401:62: error: template argument 2 is invalid
             std::unique_ptr<addrinfo, decltype(&freeaddrinfo)> addressInfo(info, freeaddrinfo);
                                                              ^
HTTPRequest.hpp:401:94: error: expression list treated as compound expression in initializer [-fpermissive]
             std::unique_ptr<addrinfo, decltype(&freeaddrinfo)> addressInfo(info, freeaddrinfo);
                                                                                              ^
HTTPRequest.hpp:406:46: error: base operand of '->' is not a pointer
             if (::connect(socket, addressInfo->ai_addr, static_cast<socklen_t>(addressInfo->ai_addrlen)) < 0)
                                              ^~
HTTPRequest.hpp:406:91: error: base operand of '->' is not a pointer
             if (::connect(socket, addressInfo->ai_addr, static_cast<socklen_t>(addressInfo->ai_addrlen)) < 0)
                                                                                           ^~