importnet## Test for net.bindAddrproctest()=# IPv4 TCPnewSocket(AF_INET,SOCK_STREAM,IPPROTO_TCP).bindAddr(Port(1900),"0.0.0.0")newSocket(AF_INET,SOCK_STREAM,IPPROTO_TCP).bindAddr(Port(1901))# IPv6 TCPnewSocket(AF_INET6,SOCK_STREAM,IPPROTO_TCP).bindAddr(Port(1902),"::")newSocket(AF_INET6,SOCK_STREAM,IPPROTO_TCP).bindAddr(Port(1903))test()