PROP_MSG_TO(t->client->window, t->client->window, wm_protocols,
prop_atoms.net_wm_ping, t->sent, t->client->window, 0, 0,
NoEventMask);
PROP_MSG_TO(t->client->window, t->client->window, wm_protocols,
prop_atoms.net_wm_ping, t->sent, t->client->window, 0, 0,
NoEventMask);