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Код

//---------------------------------------------------------------------------
#include <windows.h>
#include <iostream.h>
#include <winsock2.h>

SOCKADDR_IN socketaddr;
SOCKET sock;
void SocketConnect();
void SocketCreate();
void SocketInitialize();
void SocketGetHostName();
void SocketClean();
void SocketClose();
void SocketBind();
//---------------------------------------------------------------------------
void main()
{
   SocketInitialize();
   SocketGetHostName();
   SocketCreate();
   SocketBind();
   SocketConnect();
   SocketClose();
   SocketClean();
   system("pause");
}
//---------------------------------------------------------------------------
void SocketInitialize()
{
   WSADATA wsaData;
   if (WSAStartup(MAKEWORD(2,2),&wsaData))
   {
       cout<<"Can`t initialize socket!\n";
   }
   else
   {
       cout<<"Socket initialized!\n";
   }
}
//---------------------------------------------------------------------------
void SocketGetHostName()
{
   char info[64]={0};
   if (gethostname(info,sizeof(info)) )

        cout<<"Can`t get Host Name!\n";
   else
        cout<<"Host Name: "<<info<<"\n";

}
//---------------------------------------------------------------------------
void SocketClean()
{
   if (WSACleanup())
        printf("Can`t clean Socket!\n");
   else
        printf("Socked cleaned!\n");

}
//---------------------------------------------------------------------------
void SocketCreate()
{
   sock=socket(AF_INET,SOCK_STREAM,NULL);
   if (sock==INVALID_SOCKET) {
        cout<<"Can`t create socket!\n";
   }
   else
   {
        cout<<"Socket created!!!\n";
   }
}
//---------------------------------------------------------------------------
void SocketClose()
{
   closesocket(sock);
}
//---------------------------------------------------------------------------
void SocketBind()
{

socketaddr.sin_family = AF_INET;
socketaddr.sin_addr.s_addr  = INADDR_ANY;
socketaddr.sin_port = htons(80);

if (bind(sock,(LPSOCKADDR)&socketaddr,sizeof(socketaddr)) == SOCKET_ERROR)
{
    printf("Error bind socket");
}
else
{
printf("Socket binded!\n");
}

}
//---------------------------------------------------------------------------
void SocketConnect()
{
    if (connect(sock,(sockaddr *)&socketaddr,sizeof(socketaddr) )==SOCKET_ERROR ) {
        cout<<"Can`t connect to socket!\n";
    }
    else
    {
        cout<<"Connect to socket established\n";
    }
}