FONCTION POUR CRÉER UN SERVEUR ET UTILISER WSAASYNCSELECT

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

#define C_BON 1
#define ERR_LISTEN 16
#define ERR_BIND 11

int Attendre(SOCKET *s, SOCKADDR_IN *info, int port, unsigned int msg, HWND Hwnd) {
int err;

info->sin_family = AF_INET;
info->sin_port = htons(port);
info->sin_addr.s_addr = INADDR_ANY;

if ((*s = socket(AF_INET, SOCK_STREAM, 0)) == -1)
   {
   return ERR_CREATION_SOCKET;
   }
if ((err = bind(*s, (struct sockaddr *)info, sizeof(*info))) == -1)
   {
   return ERR_BIND;
   } else {
           if ((err = listen(*s, 5)) == -1)
              {
              return ERR_LISTEN;
              } else {
                      WSAAsyncSelect(*s, Hwnd, msg, FD_ACCEPT);
                      return C_BON;
                      }
          }
}