#define LEND	'$'
#define LSTART	'^'
#define LITCHAR	'c'
#define ANY	'.'
#define CCL	'['
#define NCCL	'!'
#define DASH	'-'
#define CCLEND	']'
#define	NEGATE	'^'
#define CLOSURE	'*'	/* zero+ occurances of pattern */
#define	PLUS	'+'	/* one+ occurances of pattern */
#define ESCAPE	'\\'
#define AGAIN	'&'	/* match previously scanned argument */

#define ARGBEG	'('
#define ARGEND	')'
#define	TOKBEG	'<'
#define	TOKEND 	'>'
#define AMPERSAND '&'