SE CONNECTER A UN SERVEUR SOUS WINDOWS ET UTILISE WSAASYNCSELECT

#include <windows.h>
#include <winsock.h>

#define C_BON 1

#define ERR_CONNECT 10
#define ERR_CREATION_SOCKET 17

int Connection(SOCKET *s, SOCKADDR_IN *info, char adresse[], int port, unsigned int msg, HWND Hwnd) {
int err;
struct hostent *host;

info->sin_family = PF_INET;
info->sin_port = htons(port);
info->sin_addr.s_addr = inet_addr(adresse);

if (info->sin_addr.s_addr = -1)
   { host = gethostbyname(adresse);
     memcpy((char *)&info->sin_addr.s_addr, host->h_addr, host->h_length);
   }
if ((*s = socket(PF_INET, SOCK_STREAM, 0)) == -1)
   {
   return ERR_CREATION_SOCKET;
   }
if ((err = connect(*s, (struct sockaddr *)info, sizeof(*info))) == -1)
   {
   return ERR_CONNECT;
   } else
   {
   WSAAsyncSelect(*s , Hwnd, msg, FD_READ);
   return C_BON;
   }
}