構造体定義書

struct re_guts

No.	名称	属性	説明
1	re_guts
	magic	int
	strip		malloced area for strip
	csetsize	int	number of bits in a cset vector
	ncsets	int	number of csets in use
	sets	cset *	-> cset [ncsets]
	setbits	uch *	-> uch[csetsize][ncsets/CHAR_BIT]
	cflags	int	copy of regcomp() cflags argument
	nstates	sopno	= number of sops
	firststate	sopno	the initial OEND (normally 0)
	laststate	sopno	the final OEND
	iflags	int	internal flags
	nbol		number of ^ used
	neol	int	number of $ used
	ncategories	int	how many character categories
	categories	cat_t *	->catspace[-CHAR_MIN]
	must	char *	match must contain this string
	mlen	int	length of must
	nsub	size_t	copy of re_nsub
	backrefs	int	does it use back references?
	nplus	sopno	how deep does it nest +s?
	catspace[1]	cat_t	actually [NC]

re_guts