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typedef struct Msg Msg;
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struct Msg
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{
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	Msg *link;
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	uchar *rp;
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	uchar *ep;
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};
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typedef struct Client Client;
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struct Client
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{
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	int moribund;
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	int activethread;
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	int num;
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	int ref;
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	int status;
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	int pid;
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	char *cmd;
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	int fd[2];
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	char err[ERRMAX];
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	Req *execreq;
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	Channel *execpid;
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	Req *rq, **erq;		/* reading */
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	Msg *mq, **emq;
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	Ioproc *readerproc;
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	Channel *writerkick;
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	Req *wq, **ewq;	/* writing */
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	Req *curw;		/* currently writing */
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	Ioproc *writerproc;	/* writing */
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};
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extern int nclient;
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extern Client **client;
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extern void dataread(Req*, Client*);
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extern int newclient(void);
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extern void closeclient(Client*);
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extern void datawrite(Req*, Client*);
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extern void ctlwrite(Req*, Client*);
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extern void clientflush(Req*, Client*);
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#define emalloc emalloc9p
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#define estrdup estrdup9p
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#define erealloc erealloc9p
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extern Srv fs;
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extern void initfs(void);
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extern void setexecname(char*);
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enum
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{
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	STACK = 8192,
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};
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enum	/* Client.status */
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{
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	Closed,
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	Exec,
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	Established,
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	Hangup,
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};
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