EXTERN struct t_printit {

	/* psort, option to sort lines */
	float psort;

	/* print hydrogenic level populations, 
	 * set with print hydrogenic command */
	int lgPrintHLevPops;

	/* this is number of levels to print, optional number on
	 * print hydrogenic levels command.  default, when printing,
	 * will be all levels */
	long nPrintHLevPops;

	/* print ages command tells code to print various timescales */
	int lgPrnAges;
	}	printit;