ping_message      222 source3/lib/messages.c 	messaging_register(ctx, NULL, MSG_PING, ping_message);
ping_message      605 source4/lib/messaging/messaging.c 	messaging_register(msg, NULL, MSG_PING, ping_message);
ping_message       82 source4/lib/messaging/tests/messaging.c 	messaging_register_tmp(msg_server_ctx, NULL, ping_message, &msg_ping);