/* *  template for making a new device */#include	"u.h"#include	"../port/lib.h"#include	"mem.h"#include	"dat.h"#include	"fns.h"#include	"../port/error.h"  enum{	Qdir,	Qdata,}; staticDirtab XXXtab[]={	".",			{Qdir, 0, QTDIR},	0,	0555,	/* entry for "." must be first if devgen used */	"data",		{Qdata, 0},	0,	0666,}; static voidXXXreset(void)						/* default in dev.c */{} static voidXXXinit(void)						/* default in dev.c */{} static Chan*XXXattach(char* spec){	return devattach('X', spec);} static Walkqid*XXXwalk(Chan *c, Chan *nc, char **name, int nname){	return devwalk(c, nc, name, nname, XXXtab, nelem(XXXtab), devgen);} static intXXXstat(Chan* c, uchar *db, int n){	return devstat(c, db, n, XXXtab, nelem(XXXtab), devgen);} static Chan*XXXopen(Chan* c, int omode){	return devopen(c, omode, XXXtab, nelem(XXXtab), devgen);} static voidXXXcreate(Chan* c, char* name, int omode, ulong perm)	/* default in dev.c */{	USED(c, name, omode, perm);	error(Eperm);} static voidXXXremove(Chan* c)					/* default in dev.c */{	USED(c);	error(Eperm);} static intXXXwstat(Chan* c, uchar *dp, int n)				/* default in dev.c */{	USED(c, dp);	error(Eperm);	return n;} static voidXXXclose(Chan* c){	USED(c);} static longXXXread(Chan* c, void* a, long n, vlong offset){	USED(offset); 	switch((ulong)c->qid.path){	case Qdir:		return devdirread(c, a, n, XXXtab, nelem(XXXtab), devgen);	case Qdata:		break;	default:		n=0;		break;	}	return n;} static Block*XXXbread(Chan* c, long n, ulong offset)			/* default in dev.c */{	return devbread(c, n, offset);} static longXXXwrite(Chan* c, void* a, long n, vlong offset){	USED(a, offset); 	switch((ulong)c->qid.path){	case Qdata:		break;	default:		error(Ebadusefd);	}	return n;} static longXXXbwrite(Chan* c, Block* bp, ulong offset)		/* default in dev.c */{	return devbwrite(c, bp, offset);} Dev XXXdevtab = {					/* defaults in dev.c */	'X',	"XXX", 	XXXreset,					/* devreset */	XXXinit,					/* devinit */	devshutdown,	XXXattach,	XXXwalk,	XXXstat,	XXXopen,	XXXcreate,					/* devcreate */	XXXclose,	XXXread,	XXXbread,					/* devbread */	XXXwrite,	XXXbwrite,					/* devbwrite */	XXXremove,					/* devremove */	XXXwstat,					/* devwstat */};