enum {
	Vvol = -2,		// version field of volumes
	Vinfo = -3,		// Version field of info files
	Proot = -2,		// root dir is a volume & has the this path
};

enum {
	CACHETIME = 3,		// read-ahead caches timeout after this many secs.
	IOCHUNK = 4096,		// file IO must be at offsets module this
	NCPVER = 1,		// NCP version
	BASEMTU = 8300,		// MUT used to login
	MTU = 0xffff,		// MTU hoped for (maybe negoiated down)
	OBJNAMLEN = 48,		// max object name len
	PROPNAMLEN = 16,	// max property name len
	PROPLEN = 128,		// max property len
	PATHLEN = 256,		// max path len
	VOLNAMLEN = 17,		// max volume name len
	FILENAMLEN = 14,	// max file name len
	NWKEYLEN = 8,		// KEY len
	MAXCONN = 300,		// realistic max number of conn's on server
	MAXTRENAM = 16,		// max length of an NDS tree name
	IPXADDRLEN = 12,	// IPX address length
};

enum {	/* internal: type of subfunction */
	Tvarlen = 1,		// add a subfunc byte and subfunc length
	Tsubfun = 2,		// add a subfunc byte only
	Tsimple = 3,		// no subfunction (old style)
};

enum { /* NCP message types */
	Mattach = 0x1111,
	Mdetach = 0x4444,
	Mrequest = 0x2222,
	Mreply = 0x3333,
	Mdisconnected = 0xbbbb	// gleaned from experience rather than documentation
};

enum {	/* Object types */
	OTwild = 0xffff,
	OTuser = 1,
	OTgroup = 2,
	OTprintqueue = 3,
	OTfileserver = 4,
	OTtreename = 0x0278,
	OTlaserjet = 0x030C,
	OTbtrive = 0x004B
};

enum {	/* File Attributes */
	FAnormal = 0x00,
	FAreadonly = 0x01,
	FAhidden = 0x02,
	FAsystem = 0x04,
	FAexecuteonly = 0x08,
	FAdirectory = 0x10,
	FAneedsarchive = 0x20,
	FAshareable = 0x80
};

enum {	/* Search Attributes */
	SAhidden = 1,
	SAsystem = 2,
	SAdironly = 4,
	SAsubdironly = 0x10,
	SAsubdirfiles = 0x8000,
	SAall = 0x8006,
};

enum {	/* Effective Rights */
	ERnone = 0x00,
	ERread = 0x01,
	ERwrite = 0x02,
	ERopen = 0x04,
	ERcreate = 0x08,
	ERdelete = 0x10,
	ERownership = 0x20,
	ERsearch = 0x40,
	ERmodify = 0x80,
	ERall = 0xff
};

enum { /* Name Spaces */
	NSdos = 0,
	NSmac = 1,
	NSnfs = 2,
	NSftam = 3,
	NSos2 = 4,
	NSlong = 4,
	NSwinnt = 5,
};

enum { /* Data Streams */
	DSdos = 0,			/* DOS data */
	DSresource = 0,			/* Mac resource fork */
	DSdata = 1,			/* Mac data fork */
};

enum { /* open create mode */
	OCMopen = 0x01,
	OCMtruncate = 0x02,
	OCMcreate = 0x08,
};

enum { /* open/create action */
	OCAopened = 0x01,
	OCAcreated = 0x02,
	OCAreplaced = 0x04,
};

enum { /* desired access rights */
	DARreadonly = 0x01,		/* file rights */
	DARwriteonly = 0x02,
	DARdenyread = 0x04,
	DARdenywrite = 0x08,
	DARcompatibility = 0x10,
	DARwritethrough = 0x40,
	DARdeleteonclose = 0x400,

	DARreadexisting = 0x01,		/* directory rights */
	DARwriteexisting = 0x02,
	DARoldopenexisting = 0x04,
	DARcreatenewentry = 0x08,
	DARdeleteexisting = 0x10,
	DARchangeacl = 0x20,
	DARsearch = 0x40,
	DARmodify = 0x80,
	DARsuporvisor = 0x100,
};

enum { /* ReturnInfo mask */
	RIMname = 0x1,			/* noop */
	RIMspace = 0x2,
	RIMattr = 0x4,
	RIMsize = 0x8,
	RIMalloc = 0x10,
	RIMeattr = 0x20,
	RIMarch = 0x40,
	RIMmodif = 0x80,
	RIMcreate = 0x100,
	RIMns = 0x200,
	RIMdir = 0x400,
	RIMrights = 0x800,
};

typedef struct  { /* file information */
	long attr;
	int flags;
	long size;
	long created;
	int creator;
	long modified;
	int modifier;
	long accessed;
	long archived;
	int archiver;
	int rights;
	long dirent;
	long dosdir;
	int vol;
	int creatns;
	char name[PATHLEN];
}FInfo;

enum { /* Modify FileFInformation flags */
	MFIattr = 0x02,
	MFIcreated = 0x0c,
	MFIcreator = 0x8,
	MFIarchived = 0x60,
	MFIarchiver = 0x80,
	MFImodified = 0x300,
	MFImodifier = 0x400,
	MFIaccessed = 0x800,
	MFIrights = 0x1000,
	MFIquota = 0x2000,
};

typedef struct { 	/* File ServerFInformation */
	char name[OBJNAMLEN];
	int fsvermaj;
	int fsvermin;
	int maxconn;
	int numconn;
	int numvol;
	int rev;
	int sftlev;
	int ttslev;
	int mostconn;
	int acctver;
	int vapver;
	int quever;
	int lprver;
	int consver;
	int restrct;
	int bridgeflag;
	int mixedpaths;
	int locallogin;
	int prodmaj;
	int prodmin;
	int prodver;
	int lang;
	int bigfiles;
} FSInfo;

typedef struct { /* Msdos file info */
	long attr;
	long created;
	int creator;
	long modified;
	int modifier;
	long archived;
	int archiver;
	short accessed;
	short grant;
	short revoke;
	long quota;
} Mfi;

typedef uchar Fh[6];		// file handle
typedef uchar Srch[9];		// search state handle

typedef struct Session Session;
struct Session {
	int fd;			// file descriptor for I/O
	long txsig;		// our signature
	long rxsig;		// their signature
	int seq;		// sequence number
	int conn;		// server's connection number
	int task;		// client's transaction level
	int type;		// do we need to add a sunfunc length ?
	int mtu;		// max packet size
	uchar *buf;		// packet buffer
	uchar *p;		// current pos in packet
	int rxlen;		// receive length
};

typedef struct VInfo VInfo;
struct VInfo {
	int total;
	int free;
	int purgable;
	int notpurged;
	int dir_total;
	int dir_avail;
	int sectperblock;
	char name[VOLNAMLEN];
};


/* bsearch.c */
extern void *bsearch(void *, void *, long, long, int (*cmp )(void *, void *));

/* conv.c */
extern Session *Attach(int);
extern int Detach(Session *);
extern int Logout(Session *);
extern int LoginObject(Session *, char *, int, char *);
extern int KeyedObjectLogin(Session *, int, char *, uchar *);
extern int GetLoginKey(Session *, int, uchar *);
extern int NegotiateBufferSize(Session *, int *);
extern int GetFileServerInfo(Session *, FSInfo *);
extern int GetStationsLoggedInfo(Session *, long, int *, int *, char *, long *);
extern int GetInternetAddress(Session *, long, uchar *, int *);
extern int GetFileServerDateAndTime(Session *, long *);
extern int GetVolumeName(Session *, int, char *);
extern int GetVolumeNumber(Session *, char *, int *);
extern int GetVolumeAndPurgeInfo(Session *, int, VInfo *);
extern int GetBinderyObjectName(Session *, ulong, char *, int *);
extern int GetBinderyObjectId(Session *, char *, int, ulong *);
extern int ScanBinderyObject(Session *, char *, int, int *, char *, int *, int *, int *, int *);
extern int ScanProperty(Session *, char *, int, char *, long *, char *, int *, int *, int *, int *);
extern int ReadPropertyValue(Session *, char *, int, char *, int, void *, int *, int *);
extern int DeteleFileOrDir(Session *, int, int, char *);
extern int RenameOrMoveFileOrDir(Session *, int, int, int, char *, char *);
extern int ModifyFileOrDirInfo(Session *, int, int, int, Mfi *, char *);
extern int OpenCreateFileOrSubdir(Session *, int, int, int, long, int, long, char *, int *, Fh,FInfo *);
extern int ReadFromAFile(Session *, Fh, void *, long *, long);
extern int WriteToAFile(Session *, Fh, void *, int, long);
extern int CommitFile(Session *, Fh);
extern int CloseFile(Session *, Fh);
extern int InitializeSearch(Session *, int, char *, Srch);
extern int SearchFileOrSubdirectory(Session *, Srch, int, int, int, char *, int,FInfo *);
extern int SearchFileOrSubdirectorySet(Session *, Srch, int, int, int, char *, long,FInfo *, int *, int *);
extern int ObtainFileOrDirInfo(Session *, int, int, long, char *,FInfo *);

/* exch.c */
extern int ncphdr(Session *, int, int);
extern int ncpcall(Session *);
extern void pstr(Session *, char *);
extern void pmem(Session *, void *, int);
extern void pb32(Session *, uint);
extern void pl32(Session *, uint);
extern void pb16(Session *, ushort);
extern void pl16(Session *, ushort);
extern void p8(Session *, uchar);
extern void gfhand32(Session *, Fh);
extern void ginfo(Session *,FInfo *);
extern void phps(Session *, char *);
extern void pphs2(Session *, char *, char *);
extern void gmem(Session *, void *, int);
extern void gstr(Session *, char *, int);
extern uint gb32(Session *);
extern uint gl32(Session *);
extern ushort gb16(Session *);
extern ushort gl16(Session *);
extern uchar g8(Session *);
extern void pdatetime(Session *, long);
extern void pdate(Session *, long);
extern long gdatetime(Session *);
extern long gdate(Session *);
extern long gtbuf(Session *);
extern char *strupr(char *);
extern char *strlwr(char *);

/* names.c */
extern void uid2names(Session *, ulong, char **, char **);

/* ncpfmt.c */
extern int ncpfmt(Fmt *);

/* ncpfs.c */
extern void usage(void);
extern void main(int, char **);

/* nwcrypt.c */
extern void shuffle(u8int *, u8int *, int, u8int *);
extern void nw_encrypt(u8int *, u8int *, u8int *);

/* nwerrstr.c */
extern char *nwerrstr(uint);

/* info.c */
extern int numinfo(void);
extern int dirgeninfo(int, Dir *);
extern int makeinfo(int);
extern int readinfo(int, char *, int, int);
extern void freeinfo(int);
extern int walkinfo(char *);

/* bindery.c */
extern int servers(Fmt *);
extern int session(Fmt *);
extern int printers(Fmt *);
extern int users(Fmt *);
extern int who(Fmt *);
extern int whoami(Fmt *);
extern int bindery(Fmt *);
extern int groups(Fmt *);
extern int volumes(Fmt *);
extern int ping(Fmt *);

#pragma	varargck	type	"N"	void*

extern char Host[];	// host connected to
extern int Numvol;	// number of volumes
extern int Debug;	// Packet hex-dump
extern int Maxio;	// Maximum IO chunk size
extern int Slip;	// time slip in secs between server and us
extern int Fsver;	// server software version * 1000
extern int Bigfiles;	// flag: 64 bit files possible on this server
extern Qid Root;	// root of remote system
extern Session *Sess;	// netware session
extern ulong Myuid;	// my UID