Message services functions

• NWBroadcastToConsole(3nw)

• NWDisableBroadcasts(3nw)

• NWEnableBroadcasts(3nw)

• NWGetBroadcastMessage(3nw)

• NWSendBroadcastMessage(3nw)

• NWSendConsoleBroadcast(3nw)

• NWSetBroadcastMode(3nw)