C / C++ / MFC

<br />
#include<windows.h>;<br />
#include<iostream>;<br />
//#include<conio.h><br />
//#include<stdio.h><br />
int main()<br />
{<br />
    WSAData wsadata;<br />
    if(WSAStartup(MAKEWORD(2,0),&wsadata)!=0)<br />
    {<br />
    std::cout<<"1:)startup failed\n"<<WSAGetLastError();<br />
    WSACleanup();<br />
    return -1;<br />
    }<br />
  else<br />
    {<br />
     std::cout<<"2:)Socket Init Success\n"<<WSAGetLastError();<br />
     }<br />
     SOCKET mysock=socket(AF_INET,SOCK_STREAM,0);  <br />
     if(mysock==INVALID_SOCKET )<br />
     {<br />
      std::cout<<"3:)Socket Init Failed\n";<br />
      WSACleanup();<br />
      return -1;<br />
     } <br />
     <br />
     else<br />
     {<br />
         std::cout<<"4:)Socket Init Success\n";                                                                                                        <br />
         sockaddr_in sin;<br />
         sin.sin_port=htons(80); <br />
         sin.sin_addr.s_addr=inet_addr("127.0.0.1");<br />
         sin.sin_family=AF_INET;<br />
         if (connect(mysock,(sockaddr*)&sin,sizeof(sin))==SOCKET_ERROR)<br />
         {std::cout<<"5:(Socket Init FAiled\n"<<WSAGetLastError();<br />
 //        getch();<br />
         WSACleanup();<br />
        // getch();<br />
         return -1;<br />
         }<br />
     <br />
        <br />
              std::cout<<"connection sucessful";<br />
              closesocket(mysock);<br />
   <br />
//getch();<br />
return 0;<br />
}   <br />
}</iostream></windows.h>

#include<windows.h><br />
#include<iostream><br />
//#include<conio.h><br />
int main()<br />
{<br />
    WSAData wsadata;<br />
    if (WSAStartup(MAKEWORD(2,0),&wsadata)!=0)<br />
       {std::cout<<;"winsock startup  failed\n"<<WSAGetLastError();<br />
       WSACleanup();<br />
       return -1;<br />
       }<br />
     std::cout<<"winsock startup is succes\n";<br />
     SOCKET servsock=socket(AF_INET,SOCK_STREAM,0);<br />
     if(servsock ==INVALID_SOCKET)<br />
     {std::cout<<"socket init failed\n";<br />
     return -1;<br />
     }<br />
    std::cout<<"socket init\n"; <br />
    sockaddr_in sin;<br />
    sin.sin_port=htons(80);<br />
    sin.sin_addr.s_addr=INADDR_ANY;<br />
    sin.sin_family=AF_INET;<br />
    if (bind(servsock,(sockaddr*)&sin,sizeof(sin))==SOCKET_ERROR)<br />
    {std::cout<<"FAILED TO BIND"<<WSAGetLastError();<br />
    WSACleanup();<br />
    return -1;<br />
    }<br />
    std::cout<<"Bind successful!\n";<br />
    WSACleanup();<br />
    while (listen(servsock,SOMAXCONN)==SOCKET_ERROR);<br />
    SOCKET client;<br />
    int len = sizeof(sin);<br />
    client=accept( servsock,(sockaddr*)&sin,&len);<br />
    std::cout<<"Connection established!\n";<br />
    closesocket(client);<br />
    closesocket(servsock);<br />
     WSACleanup();<br />
    // getch();<br />
   return 0;<br />
}  </iostream></windows.h>