ob_debug("PINGing client %s at %lu\n", t->client->title, t->sent);
PROP_MSG_TO(t->client->window, t->client->window, wm_protocols,
prop_atoms.net_wm_ping, t->sent, t->client->window, 0, 0,
ob_debug("PINGing client %s at %lu\n", t->client->title, t->sent);
PROP_MSG_TO(t->client->window, t->client->window, wm_protocols,
prop_atoms.net_wm_ping, t->sent, t->client->window, 0, 0,