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WebSVN – planix.SVN – Blame – /os/branches/feature_fixcpp/sys/src/cmd/vnc/compat.h – Rev 2

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#define Rendez KRendez
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typedef struct Block	Block;
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typedef struct Chan	Chan;
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typedef struct Cname	Cname;
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typedef struct Dev	Dev;
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typedef struct Dirtab	Dirtab;
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typedef struct Proc	Proc;
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typedef struct Ref	Ref;
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typedef struct Rendez	Rendez;
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typedef struct Walkqid Walkqid;
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typedef int    Devgen(Chan*, Dirtab*, int, int, Dir*);
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enum
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{
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	KNAMELEN	= 28,
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	NERR		= 15,
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	COPEN		= 0x0001,		/* for i/o */
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	CFREE		= 0x0010,		/* not in use */
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};
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struct Ref
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{
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	Lock;
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	int	ref;
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};
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struct Rendez
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{
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	Lock;
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	Proc	*p;
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};
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struct Chan
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{
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	Ref;
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	Chan*	next;			/* allocation */
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	Chan*	link;
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	vlong	offset;			/* in file */
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	ushort	type;
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	ulong	dev;
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	ushort	mode;			/* read/write */
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	ushort	flag;
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	Qid	qid;
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	int	fid;			/* for devmnt */
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	ulong	iounit;			/* chunk size for i/o; 0==default */
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	void*	aux;
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	Cname	*name;
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};
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struct Cname
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{
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	Ref;
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	int	alen;			/* allocated length */
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	int	len;			/* strlen(s) */
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	char	*s;
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};
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struct Dev
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{
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	int	dc;
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	char*	name;
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	void	(*reset)(void);
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	void	(*init)(void);
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	Chan*	(*attach)(char*);
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	Walkqid*	(*walk)(Chan*, Chan*, char**, int);
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	int	(*stat)(Chan*, uchar*, int);
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	Chan*	(*open)(Chan*, int);
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	void	(*create)(Chan*, char*, int, ulong);
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	void	(*close)(Chan*);
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	long	(*read)(Chan*, void*, long, vlong);
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	Block*	(*bread)(Chan*, long, ulong);
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	long	(*write)(Chan*, void*, long, vlong);
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	long	(*bwrite)(Chan*, Block*, ulong);
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	void	(*remove)(Chan*);
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	int	(*wstat)(Chan*, uchar*, int);
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};
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struct Dirtab
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{
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	char	name[KNAMELEN];
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	Qid	qid;
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	vlong length;
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	long	perm;
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};
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struct Walkqid
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{
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	Chan	*clone;
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	int	nqid;
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	Qid	qid[1];
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};
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struct Proc
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{
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	Lock	rlock;		/* for rendsleep, rendwakeup, intr */
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	Rendez	*r;
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	int	intr;
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	char	name[KNAMELEN];
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	char	*user;
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	char	error[ERRMAX];
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	int	nerrlab;
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	jmp_buf	errlab[NERR];
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	char	genbuf[128];	/* buffer used e.g. for last name element from namec */
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};
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#define DEVDOTDOT -1
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extern	Proc	**privup;
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#define	up	(*privup)
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extern  char	*eve;
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extern	Dev*	devtab[];
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Chan*		cclone(Chan*);
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void		cclose(Chan*);
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void		cnameclose(Cname*);
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int		decref(Ref*);
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Chan*		devattach(int, char*);
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Block*		devbread(Chan*, long, ulong);
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long		devbwrite(Chan*, Block*, ulong);
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void		devcreate(Chan*, char*, int, ulong);
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void		devdir(Chan*, Qid, char*, vlong, char*, long, Dir*);
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long		devdirread(Chan*, char*, long, Dirtab*, int, Devgen*);
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Devgen		devgen;
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void		devinit(void);
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Chan*		devopen(Chan*, int, Dirtab*, int, Devgen*);
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void		devremove(Chan*);
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void		devreset(void);
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int		devstat(Chan*, uchar*, int, Dirtab*, int, Devgen*);
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Walkqid*		devwalk(Chan*, Chan*, char**, int, Dirtab*, int, Devgen*);
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int		devwstat(Chan*, uchar*, int);
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void		error(char*);
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int		incref(Ref*);
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void		isdir(Chan*);
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void		kproc(char*, void(*)(void*), void*);
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void		mkqid(Qid*, vlong, ulong, int);
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void		nexterror(void);
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Chan*		newchan(void);
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Cname*		newcname(char*);
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int		openmode(ulong);
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void		panic(char*, ...);
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int		readstr(ulong, char*, ulong, char*);
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long		seconds(void);
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void*		smalloc(ulong);
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#define		poperror()	up->nerrlab--
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#define		waserror()	(up->nerrlab++, setjmp(up->errlab[up->nerrlab-1]))
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void		initcompat(void);
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void		rendintr(void *v);
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void		rendclearintr(void);
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void		rendsleep(Rendez*, int(*)(void*), void*);
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int		rendwakeup(Rendez*);
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void		kexit(void);
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int		sysexport(int fd, Chan **roots, int nroots);
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int		errdepth(int ed);
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void		newup(char *name);
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int		exporter(Dev**, int*, int*);
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int		mounter(char *mntpt, int how, int fds, int n);
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void		shutdown(void);
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void		screeninit(int, int, char*);
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#pragma	varargck	argpos	panic		1