extern	FILE	*optr;
extern	FILE	*iptr;
extern	int	dflag;		/* debug flag */
extern	int	errcnt;		/* error counter */
extern	char	hex[];		/* hexadecimal character buffer */
extern	int	iflag;		/* ignore .nlst flag */
extern	int	lablptr;	/* label pointer into symbol table */
extern	int	lflag;		/* disable listing flag */
extern	int	loccnt;		/* location counter	*/
extern	int	nflag;		/* normal/split address mode */
extern	int	mflag;		/* generate MOS Technology object format */
extern	int	nxt_free;	/* next free location in symtab */
extern	int	objcnt;		/* object byte counter */
extern	int	oflag;		/* object output flag */
extern	int	opflg;		/* operation code flags */
extern	int	opval;		/* operation code value */
extern	int	pass;		/* pass counter		*/
extern	char	prlnbuf[];	/* print line buffer	*/
extern	int	sflag;		/* symbol table output flag */
extern	int	slnum;		/* source line number counter */
extern	char	*symtab;	/* symbol table		*/
extern	unsigned size;		/* symbol table size 		*/
extern	char	symbol[];	/* temporary symbol storage	*/
extern	int	udtype;		/* undefined symbol type	*/
extern	int	undef;		/* undefined symbol in expression flg  */
extern	int	value;		/* operand field value */
extern	char	zpref;		/* zero page reference flag	*/
/* added by Joel Swank 12/86   */
extern	int	pagect;		/* count of pages               */
extern	int	paglin;		/* lines printed on current page */
extern	int	pagesize;	/* maximum lines per page       */
extern	int	linesize;	/* maximum characters oer line  */
extern	int	titlesize;	/* maximum characters oer line  */
extern	char	titlbuf[];	/* buffer for title from .page  */
extern	char	syspc[80];	/* variable filler for heading  */
extern	char	*date;		/* pointer to formatted date string */