static char	tools_h[] =
"$Header: tools.h,v 2.1 85/11/14 11:30:00 beattie Exp $";
/*
 *	#defines for non-printing ASCII characters
 */

#define NUL	0x00	/* ^@ */
#define EOS	0x00	/* end of string */
#define SOH	0x01	/* ^A */
#define STX	0x02	/* ^B */
#define ETX	0x03	/* ^C */
#define EOT	0x04	/* ^D */
#define ENQ	0x05	/* ^E */
#define ACK	0x06	/* ^F */
#define BEL	0x07	/* ^G */
#define BS	0x08	/* ^H */
#define HT	0x09	/* ^I */
#define LF	0x0a	/* ^J */
#define NL	'\n'
#define VT	0x0b	/* ^K */
#define FF	0x0c	/* ^L */
#define CR	0x0d	/* ^M */
#define SO	0x0e	/* ^N */
#define SI	0x0f	/* ^O */
#define DLE	0x10	/* ^P */
#define DC1	0x11	/* ^Q */
#define DC2	0x12	/* ^R */
#define DC3	0x13	/* ^S */
#define DC4	0x14	/* ^T */
#define NAK	0x15	/* ^U */
#define SYN	0x16	/* ^V */
#define ETB	0x17	/* ^W */
#define CAN	0x18	/* ^X */
#define EM	0x19	/* ^Y */
#define SUB	0x1a	/* ^Z */
#define ESC	0x1b	/* ^[ */
#define FS	0x1c	/* ^\ */
#define GS	0x1d	/* ^] */
#define RS	0x1e	/* ^^ */
#define US	0x1f	/* ^_ */
#define SP	0x20	/* space */
#define DEL	0x7f	/* DEL*/


#define TRUE	1
#define FALSE	0
#define ERR	-2


/*	Definitions of meta-characters used in pattern matching
 *	routines.  LITCHAR & NCCL are only used as token identifiers;
 *	all the others are also both token identifier and actual symbol
 *	used in the regular expression.
 */


#define BOL	'^'
#define EOL	'$'
#define ANY	'.'
#define LITCHAR	'L'
#define	ESCAPE	'\\'
#define CCL	'['	/* Character class: [...] */
#define CCLEND	']'
#define NEGATE	'~'
#define NCCL	'!'	/* Negative character class [^...] */
#define CLOSURE	'*'
#define OR_SYM	'|'
#define DITTO	'&'

/* Largest permitted size for an expanded character class.  (i.e. the class
 * [a-z] will expand into 26 symbols; [a-z0-9] will expand into 36.)
 */
#define CLS_SIZE	128

/*
 *	Tokens are used to hold pattern templates. (see makepat())
 */
typedef	char	BITMAP;

typedef struct token {
	char		tok;
	char		lchar;
	BITMAP		*bitmap;
	struct token	*next;
} TOKEN;

#define TOKSIZE sizeof (TOKEN)

/*
 *	An absolute maximun for strings.
 */

#define MAXSTR	132	/* Maximum numbers of characters in a line */


extern	char	*matchs();
extern	char	*amatch();
extern	char	*in_string();
extern	TOKEN	*getpat();
extern	int	esc();
extern	char	*dodash();
extern	TOKEN	*makepat();
extern	int	unmakepat();
extern	int	insert();
extern	int	delete();
extern	int	isalphanum();
extern	char	*stoupper();
extern	int	pr_tok();
extern	int	pr_line();
extern	BITMAP	*makebitmap();

/* macros */
#define max(a,b)	((a>b)?a:b)
#define min(a,b)	((a<b)?a:b)
#define toupper(c)	(c>='a'&&c<='z'?c-32:c)