Program received signal SIGSEGV, Segmentation fault.
0x00514836 in boost::asio::basic_socket<boost::asio::ip::tcp, boost::asio::strea
m_socket_service<boost::asio::ip::tcp> >::is_open (this=0x154fe48)
    at D:/Dev-Cpp/include/boost/asio/detail/win_iocp_socket_service.hpp:92
92          {
(gdb) bt
#0  0x00514836 in boost::asio::basic_socket<boost::asio::ip::tcp, boost::asio::s
tream_socket_service<boost::asio::ip::tcp> >::is_open (this=0x154fe48)
    at D:/Dev-Cpp/include/boost/asio/detail/win_iocp_socket_service.hpp:92
#1  0x00401957 in main (argc=1, argv=0x3d2568) at client.h:16
(gdb)