sa.sin_port = htons (PORT);
desc = GNUNET_NETWORK_socket_create (AF_INET, SOCK_STREAM, 0);
GNUNET_assert (desc != NULL);
if (GNUNET_NETWORK_socket_setsockopt
(desc, SOL_SOCKET, SO_REUSEADDR, &on, sizeof (on)) != GNUNET_OK)
sa.sin_port = htons (PORT);
desc = GNUNET_NETWORK_socket_create (AF_INET, SOCK_STREAM, 0);
GNUNET_assert (desc != NULL);
if (GNUNET_NETWORK_socket_setsockopt
(desc, SOL_SOCKET, SO_REUSEADDR, &on, sizeof (on)) != GNUNET_OK)