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/* defs 4.2 85/10/28 */
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#define _POSIX_SOURCE
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#define _RESEARCH_SOURCE
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#include <stdlib.h>
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#include <string.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include <signal.h>
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#include <time.h>
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#include <dirent.h>
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#include <limits.h>
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#include <stdio.h>
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#include <ctype.h>
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#ifndef SHELLCOM
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#define SHELLCOM "/bin/sh"
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#endif
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typedef char flag;	/* represent a few bit flag */
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#define NO	0
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#define YES	1
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#define equal(a,b)	(! strcmp(a,b))
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#define HASHSIZE	1021
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#define NLEFTS	512
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#define NCHARS	500
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#define NINTS	250
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/* cranked these up, we're not on the pdp-11 any more */
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#define INMAX	80000
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#define OUTMAX	80000
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#define QBUFMAX	80000
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#define MAXDIR	30
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#define MAXPROC	200
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#define MAXINCLUDE	32
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#define PROCLIMIT	3
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#define ALLDEPS	1
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#define SOMEDEPS	2
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#define META	01
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#define TERMINAL	02
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extern char funny[128];
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#define ALLOC(x) (struct x *) ckalloc(sizeof(struct x))
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#define CHNULL	(char *) NULL
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extern int sigivalue;
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extern int sigqvalue;
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extern int dbgflag;
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extern int prtrflag;
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extern int silflag;
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extern int noexflag;
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extern int keepgoing;
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extern int noruleflag;
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extern int touchflag;
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extern int questflag;
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extern int oldflag;
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extern int ndocoms;
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extern int ignerr;
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extern int okdel;
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extern int forceshell;
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extern int inarglist;
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extern char **envpp;	/* points to slot in environment vector */
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extern char *prompt;
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extern int nopdir;
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typedef struct nameblock *nameblkp;
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typedef struct depblock *depblkp;
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typedef struct lineblock *lineblkp;
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typedef struct chain *chainp;
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struct nameblock
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	{
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	nameblkp nxtnameblock;
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	char *namep;
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	lineblkp linep;
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	flag done;
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	flag septype;
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	flag isarch;
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	flag isdir;
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	time_t modtime;
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	};
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extern nameblkp mainname;
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extern nameblkp firstname;
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extern nameblkp *hashtab;
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extern int nhashed;
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extern int hashsize;
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extern int hashthresh;
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struct lineblock
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	{
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	lineblkp nxtlineblock;
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	struct depblock *depp;
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	struct shblock *shp;
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	};
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extern lineblkp sufflist;
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struct depblock
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	{
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	depblkp nxtdepblock;
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	nameblkp depname;
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	char nowait;
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	} ;
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struct shblock
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	{
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	struct shblock *nxtshblock;
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	char *shbp;
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	};
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struct varblock
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	{
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	struct varblock *nxtvarblock;
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	char *varname;
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	char *varval;
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	char **export;
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	flag noreset;
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	flag used;
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	};
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extern struct varblock *firstvar;
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struct pattern
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	{
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	struct pattern *nxtpattern;
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	char *patval;
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	};
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extern struct pattern *firstpat;
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struct dirhd
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	{
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	struct dirhd *nxtdirhd;
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	time_t dirtime;
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	int dirok;
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	DIR * dirfc;
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	char *dirn;
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	};
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extern struct dirhd *firstod;
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struct chain
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	{
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	chainp nextp;
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	char *datap;
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	};
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struct wild
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	{
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	struct wild *next;
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	lineblkp linep;
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	char *left;
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	char *right;
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	int llen;
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	int rlen;
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	int totlen;
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	};
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typedef struct wild *wildp;
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extern wildp firstwild;
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extern wildp lastwild;
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/* date for processes */
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extern int proclimit;	/* maximum spawned processes allowed alive at one time */
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extern int proclive;	/* number of spawned processes awaited */
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extern int nproc;	/* next slot in process stack to use */
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extern struct process
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	{
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	int pid;
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	flag nohalt;
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	flag nowait;
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	flag done;
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	} procstack[ ];
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extern void	intrupt(int);
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extern void	enbint(void (*)(int));
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extern int	doname(nameblkp, int, time_t *, int);
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extern int	docom(struct shblock *, int, int);
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extern int	dosys(char *, int, int, char *);
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extern int	waitstack(int);
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extern void	touch(int, char*);
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extern time_t	exists(char *);
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extern time_t	prestime(void);
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extern depblkp	srchdir(char*, int, depblkp);
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extern time_t	lookarch(char *);
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extern void	dirsrch(char *);
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extern void	baddirs(void);
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extern nameblkp	srchname(char *);
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extern nameblkp	makename(char *);
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extern int	hasparen(char *);
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extern void	newhash(int);
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extern nameblkp	chkname(char *);
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extern char	*copys(char *);
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extern char	*concat(char *, char *, char *);
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extern int	suffix(char *, char *, char *);
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extern int	*ckalloc(int);
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extern char	*subst(char *, char *, char *);
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extern void	setvar(char *, char *, int);
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extern void	set3var(char *, char *);
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extern int	eqsign(char *);
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extern struct varblock *varptr(char *);
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extern int	dynmacro(char *);
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extern void	fatal1(char *, char *);
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extern void	fatal(char *);
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extern chainp	appendq(chainp, char *);
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extern char	*mkqlist(chainp, char *);
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extern wildp	iswild(char *);
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extern char	*wildmatch(wildp, char *, int);
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extern char	*wildsub(char *, char *);
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extern int	parse(char *);
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extern int	yylex(void);