#pragma	lib	"libc.a"

typedef
struct	Fcall
{
	char	type;
	short	fid;
	ushort	tag;
	union {
		struct {
			ushort	oldtag;		/* Tflush */
			Qid	qid;		/* Rattach, Rwalk, Ropen, Rcreate */
			char	rauth[AUTHENTLEN];	/* Rattach */
		};
		struct {
			char	uname[NAMELEN];		/* Tattach */
			char	aname[NAMELEN];		/* Tattach */
			char	ticket[TICKETLEN];	/* Tattach */
			char	auth[AUTHENTLEN];	/* Tattach */
		};
		struct {
			char	ename[ERRLEN];		/* Rerror */
			char	authid[NAMELEN];	/* Rsession */
			char	authdom[DOMLEN];	/* Rsession */
			char	chal[CHALLEN];		/* Tsession/Rsession */
		};
		struct {
			long	perm;		/* Tcreate */ 
			short	newfid;		/* Tclone, Tclwalk */
			char	name[NAMELEN];	/* Twalk, Tclwalk, Tcreate */
			char	mode;		/* Tcreate, Topen */
		};
		struct {
			vlong	offset;		/* Tread, Twrite */
			long	count;		/* Tread, Twrite, Rread */
			char	*data;		/* Twrite, Rread */
		};
		struct {
			char	stat[DIRLEN];	/* Twstat, Rstat */
		};
	};
} Fcall;

#define	MAXFDATA	(8*1024)
#define	MAXRPC		(MAXFDATA+MAXMSG)
#define	MAXMSG		160	/* max header sans data */
#define	NOTAG		0xFFFF	/* Dummy tag */

enum
{
	Tnop =		50,
	Rnop,
	Tosession =	52,	/* illegal */
	Rosession,		/* illegal */
	Terror =	54,	/* illegal */
	Rerror,
	Tflush =	56,
	Rflush,
	Toattach =	58,	/* illegal */
	Roattach,		/* illegal */
	Tclone =	60,
	Rclone,
	Twalk =		62,
	Rwalk,
	Topen =		64,
	Ropen,
	Tcreate =	66,
	Rcreate,
	Tread =		68,
	Rread,
	Twrite =	70,
	Rwrite,
	Tclunk =	72,
	Rclunk,
	Tremove =	74,
	Rremove,
	Tstat =		76,
	Rstat,
	Twstat =	78,
	Rwstat,
	Tclwalk =	80,
	Rclwalk,
	Tauth =		82,	/* illegal */
	Rauth,			/* illegal */
	Tsession =	84,
	Rsession,
	Tattach =	86,
	Rattach,
	Tmax,
};

int	convM2S(char*, Fcall*, int);
int	convS2M(Fcall*, char*);

int	convM2D(char*, Dir*);
int	convD2M(Dir*, char*);

int	fcallconv(va_list*, Fconv*);
int	dirconv(va_list*, Fconv*);
int	dirmodeconv(va_list*, Fconv*);

char*	getS(int, char*, Fcall*, long*);

#pragma	varargck	type	"F"	Fcall*
#pragma	varargck	type	"M"	ulong
#pragma	varargck	type	"D"	Dir*