rem: PortLink link(server); link.SetOpCode(AS_GET_SYSCURSOR); link.FlushWithReply(&pmsg);
add: link.StartMessage(AS_GET_SYSCURSOR); link.GetNextReply(&code);
context: cursor_which get_syscursor(void){	port_id server=find_port(SERVER_PORT_NAME);	if(server!=B_NAME_NOT_FOUND)	{		PortMessage pmsg;				PortLink link(server);		link.SetOpCode(AS_GET_SYSCURSOR);		link.FlushWithReply(&pmsg);				cursor_which which;		pmsg.Read<cursor_which>(&which);		return which;	}	return B_CURSOR_INVALID;}