RootPort
setRoleSelected ("Rec", stpm, port, RootPort);
case RootPort:
port->role = RootPort;
case RootPort:
case RootPort: entry->role = 'R'; break;
if (port->role == RootPort || port->role == DesignatedPort)
if (port->role != RootPort && (port->role != DesignatedPort))
case RootPort:
((port->role == RootPort) && port->tcWhile));
(port->role == RootPort) &&
((port->role == RootPort) ||