4.1cBSD/usr/src/usr.bin/struct/2.def.h

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/*
 *	@(#)2.def.h	4.1	(Berkeley)	83/02/11
 */
extern int accessnum;		/* number of nodes accessible from START */
extern VERT *after;		/* node numbers associated with after numbers of depth first search */
extern int *ntobef;		/* before numbers associated with nodes */
extern int *ntoaft;		/* after numbers associated with nodes */