#ifndef _FCALL_H_#define _FCALL_H_ 1#ifdef __cplusplusextern "C" {#endif/*#pragma	src	"/sys/src/libc/9sys"#pragma	lib	"libc.a"*/ #define	VERSION9P	"9P2000"#define	MAXWELEM	16 typedefstruct	Fcall{	uchar	type;	u32int	fid;	ushort	tag;	u32int	msize;		/* Tversion, Rversion */	char	*version;	/* Tversion, Rversion */	ushort	oldtag;		/* Tflush */	char	*ename;		/* Rerror */	Qid	qid;		/* Rattach, Ropen, Rcreate */	u32int	iounit;		/* Ropen, Rcreate */	Qid	aqid;		/* Rauth */	u32int	afid;		/* Tauth, Tattach */	char	*uname;		/* Tauth, Tattach */	char	*aname;		/* Tauth, Tattach */	u32int	perm;		/* Tcreate */ 	char	*name;		/* Tcreate */	uchar	mode;		/* Tcreate, Topen */	u32int	newfid;		/* Twalk */	ushort	nwname;		/* Twalk */	char	*wname[MAXWELEM];	/* Twalk */	ushort	nwqid;		/* Rwalk */	Qid	wqid[MAXWELEM];	/* Rwalk */	vlong	offset;		/* Tread, Twrite */	u32int	count;		/* Tread, Twrite, Rread */	char	*data;		/* Twrite, Rread */	ushort	nstat;		/* Twstat, Rstat */	uchar	*stat;		/* Twstat, Rstat */	int	unixfd;		/* Ropenfd */		/* 9P2000.u extensions */	int	errornum;	/* Rerror */	int	uidnum;		/* Tattach, Tauth */	char	*extension;	/* Tcreate */} Fcall;  #define	GBIT8(p)	((p)[0])#define	GBIT16(p)	((p)[0]|((p)[1]<<8))#define	GBIT32(p)	((u32int)((p)[0]|((p)[1]<<8)|((p)[2]<<16)|((p)[3]<<24)))#define	GBIT64(p)	((u32int)((p)[0]|((p)[1]<<8)|((p)[2]<<16)|((p)[3]<<24)) |\				((vlong)((p)[4]|((p)[5]<<8)|((p)[6]<<16)|((p)[7]<<24)) << 32)) #define	PBIT8(p,v)	(p)[0]=(v)#define	PBIT16(p,v)	(p)[0]=(v);(p)[1]=(v)>>8#define	PBIT32(p,v)	(p)[0]=(v);(p)[1]=(v)>>8;(p)[2]=(v)>>16;(p)[3]=(v)>>24#define	PBIT64(p,v)	(p)[0]=(v);(p)[1]=(v)>>8;(p)[2]=(v)>>16;(p)[3]=(v)>>24;\			(p)[4]=(v)>>32;(p)[5]=(v)>>40;(p)[6]=(v)>>48;(p)[7]=(v)>>56 #define	BIT8SZ		1#define	BIT16SZ		2#define	BIT32SZ		4#define	BIT64SZ		8#define	QIDSZ	(BIT8SZ+BIT32SZ+BIT64SZ) /* STATFIXLEN includes leading 16-bit count *//* The count, however, excludes itself; total size is BIT16SZ+count */#define STATFIXLEN	(BIT16SZ+QIDSZ+5*BIT16SZ+4*BIT32SZ+1*BIT64SZ)	/* amount of fixed length data in a stat buffer */#define STATFIXLENU	(STATFIXLEN+BIT16SZ+3*BIT32SZ)	/* for 9P2000.u */ #define	NOTAG		(ushort)~0U	/* Dummy tag */#define	NOFID		(u32int)~0U	/* Dummy fid */#define	NOUID		(-1)	/* Dummy uid */#define	IOHDRSZ		24	/* ample room for Twrite/Rread header (iounit) */ enum{	Tversion =	100,	Rversion,	Tauth =		102,	Rauth,	Tattach =	104,	Rattach,	Terror =	106,	/* illegal */	Rerror,	Tflush =	108,	Rflush,	Twalk =		110,	Rwalk,	Topen =		112,	Ropen,	Tcreate =	114,	Rcreate,	Tread =		116,	Rread,	Twrite =	118,	Rwrite,	Tclunk =	120,	Rclunk,	Tremove =	122,	Rremove,	Tstat =		124,	Rstat,	Twstat =	126,	Rwstat,	Tmax, 	Topenfd = 	98,	Ropenfd}; uint	convM2S(uchar*, uint, Fcall*);uint	convS2M(Fcall*, uchar*, uint);uint	sizeS2M(Fcall*); int	statcheck(uchar *abuf, uint nbuf);uint	convM2D(uchar*, uint, Dir*, char*);uint	convD2M(Dir*, uchar*, uint);uint	sizeD2M(Dir*); uint	convM2Su(uchar*, uint, Fcall*, int);uint	convS2Mu(Fcall*, uchar*, uint, int);uint	sizeS2Mu(Fcall*, int); int	statchecku(uchar *abuf, uint nbuf, int);uint	convM2Du(uchar*, uint, Dir*, char*, int);uint	convD2Mu(Dir*, uchar*, uint, int);uint	sizeD2Mu(Dir*, int); int	fcallfmt(Fmt*);int	dirfmt(Fmt*);int	dirmodefmt(Fmt*); int	read9pmsg(int, void*, uint); /*#pragma	varargck	type	"F"	Fcall*#pragma	varargck	type	"M"	ulong#pragma	varargck	type	"D"	Dir**/ #ifdef __cplusplus}#endif#endif