{
usleep (100000);
if (recvfrom (socket_client, buffer2, sizeof (buffer2), 0, (struct sockaddr *) &sin_dst, &(int) longueur) != -1)
if (recvfrom (socket_client, buffer2, sizeof (buffer2), 0, (struct sockaddr *) &sin_dst, (int *) &longueur) != -1)
if (nmb2->rep_num != 0)