/* from fcall(3) in plan9port */
typedef struct Fcall {
	unsigned char type;
	unsigned short tag;
	unsigned int fid;
	/* Tversion, Rversion */
	unsigned int msize;
	char	*version;
	/* Tflush */
	unsigned short oldtag;
	/* Rerror */
	char *ename;
	/* Ropen, Rcreate */
	Qid qid; /* +Rattach */
	unsigned int iounit;
	/* Rauth */
	Qid aqid;
	/* Tauth, Tattach */
	unsigned int	afid;
	char		*uname;
	char		*aname;
	/* Tcreate */
	unsigned int	perm;
	char		*name;
	unsigned char	mode; /* +Topen */
	/* Twalk */
	unsigned int	newfid;
	unsigned short	nwname;
	char	*wname[IXP_MAX_WELEM];
	/* Rwalk */
	unsigned short	nwqid;
	Qid	wqid[IXP_MAX_WELEM];
	/* Twrite */
	unsigned long long	offset; /* +Tread */
	/* +Rread */
	unsigned int	count; /* +Tread */
	char		*data;
	/* Twstat, Rstat */
	unsigned short	nstat;
	unsigned char	*stat;
} Fcall;