--- MiNT/src/file.h	2018/04/24 17:55:36	1.1.1.1
+++ MiNT/src/file.h	2018/04/24 17:58:54	1.1.1.6
@@ -1,6 +1,10 @@
 /*
 
-Copyright 1991,1992 Eric R. Smith. All rights reserved.
+Copyright 1991,1992 Eric R. Smith.
+
+Copyright 1992,1993,1994 Atari Corporation.
+
+All rights reserved.
 
 */
 
@@ -16,6 +20,8 @@ struct filesys;		/* forward declaration
 
 struct devdrv;		/* ditto */
 
+struct timeout;		/* and ditto */
+
 
 
 typedef struct f_cookie {
@@ -42,9 +48,9 @@ typedef struct dtabuf {
 
 	long	magic;
 
-#define SVALID	0x1234fedc	/* magic for a valid search */
+#define SVALID	0x1234fedcL	/* magic for a valid search */
 
-#define EVALID	0x5678ba90	/* magic for an exhausted search */
+#define EVALID	0x5678ba90L	/* magic for an exhausted search */
 
 
 
@@ -62,7 +68,7 @@ typedef struct dtabuf {
 
 	long	dta_size;
 
-	char	dta_name[TOS_NAMELEN];
+	char	dta_name[TOS_NAMELEN+1];
 
 } DTABUF;
 
@@ -84,6 +90,10 @@ typedef struct dirstruct {
 
 				/* NOTE: this must be at least 45 bytes */
 
+	struct dirstruct *next;	/* linked together so we can close them
+
+				   on process termination */
+
 } DIR;
 
 
@@ -104,9 +114,9 @@ typedef struct xattr {
 
 #define S_IFREG 0100000		/* regular file */
 
-#define S_IFIFO 0120000		/* FIFO */
+#define S_IFIFO	0120000		/* FIFO */
 
-#define S_IMEM	0140000		/* memory region or process */
+#define S_IFMEM	0140000		/* memory region or process */
 
 #define S_IFLNK	0160000		/* symbolic link */
 
@@ -150,7 +160,7 @@ typedef struct xattr {
 
 	ushort	dev;
 
-	ushort	reserved1;
+	ushort	rdev;		/* "real" device */
 
 	ushort	nlink;
 
@@ -258,23 +268,39 @@ typedef struct ilock {
 
 typedef struct devdrv {
 
-	long (*open)	P_((FILEPTR *f));
+	long ARGS_ON_STACK (*open)	P_((FILEPTR *f));
+
+	long ARGS_ON_STACK (*write)	P_((FILEPTR *f, const char *buf, long bytes));
+
+	long ARGS_ON_STACK (*read)	P_((FILEPTR *f, char *buf, long bytes));
+
+	long ARGS_ON_STACK (*lseek)	P_((FILEPTR *f, long where, int whence));
+
+	long ARGS_ON_STACK (*ioctl)	P_((FILEPTR *f, int mode, void *buf));
+
+	long ARGS_ON_STACK (*datime)	P_((FILEPTR *f, short *timeptr, int rwflag));
+
+	long ARGS_ON_STACK (*close)	P_((FILEPTR *f, int pid));
+
+	long ARGS_ON_STACK (*select)	P_((FILEPTR *f, long proc, int mode));
+
+	void ARGS_ON_STACK (*unselect)	P_((FILEPTR *f, long proc, int mode));
 
-	long (*write)	P_((FILEPTR *f, const char *buf, long bytes));
+/* extensions, check dev_descr.drvsize (size of DEVDRV struct) before calling:
 
-	long (*read)	P_((FILEPTR *f, char *buf, long bytes));
+ * fast RAW tty byte io  */
 
-	long (*lseek)	P_((FILEPTR *f, long where, int whence));
+	long ARGS_ON_STACK (*writeb)	P_((FILEPTR *f, const char *buf, long bytes));
 
-	long (*ioctl)	P_((FILEPTR *f, int mode, void *buf));
+	long ARGS_ON_STACK (*readb)	P_((FILEPTR *f, char *buf, long bytes));
 
-	long (*datime)	P_((FILEPTR *f, short *timeptr, int rwflag));
+/* what about: scatter/gather io for DMA devices...
 
-	long (*close)	P_((FILEPTR *f, int pid));
+ *	long ARGS_ON_STACK (*writev)	P_((FILEPTR *f, const struct iovec *iov, long cnt));
 
-	long (*select)	P_((FILEPTR *f, long proc, int mode));
+ *	long ARGS_ON_STACK (*readv)	P_((FILEPTR *f, const struct iovec *iov, long cnt));
 
-	void (*unselect) P_((FILEPTR *f, long proc, int mode));
+ */
 
 } DEVDRV;
 
@@ -292,67 +318,73 @@ typedef struct filesys {
 
 #define FS_NOXBIT	0x04	/* if a file can be read, it can be executed */
 
+#define	FS_LONGPATH	0x08	/* file system understands "size" argument to
 
+				   "getname" */
 
-	long	(*root) P_((int drv, fcookie *fc));
+	long	ARGS_ON_STACK (*root) P_((int drv, fcookie *fc));
 
-	long	(*lookup) P_((fcookie *dir, const char *name, fcookie *fc));
+	long	ARGS_ON_STACK (*lookup) P_((fcookie *dir, const char *name, fcookie *fc));
 
-	long	(*creat) P_((fcookie *dir, const char *name, unsigned mode,
+	long	ARGS_ON_STACK (*creat) P_((fcookie *dir, const char *name, unsigned mode,
 
 				int attrib, fcookie *fc));
 
-	DEVDRV *(*getdev) P_((fcookie *fc, long *devspecial));
+	DEVDRV * ARGS_ON_STACK (*getdev) P_((fcookie *fc, long *devspecial));
+
+	long	ARGS_ON_STACK (*getxattr) P_((fcookie *file, XATTR *xattr));
 
-	long	(*getxattr) P_((fcookie *file, XATTR *xattr));
+	long	ARGS_ON_STACK (*chattr) P_((fcookie *file, int attr));
 
-	long	(*chattr) P_((fcookie *file, int attr));
+	long	ARGS_ON_STACK (*chown) P_((fcookie *file, int uid, int gid));
 
-	long	(*chown) P_((fcookie *file, int uid, int gid));
+	long	ARGS_ON_STACK (*chmode) P_((fcookie *file, unsigned mode));
 
-	long	(*chmode) P_((fcookie *file, unsigned mode));
+	long	ARGS_ON_STACK (*mkdir) P_((fcookie *dir, const char *name, unsigned mode));
 
-	long	(*mkdir) P_((fcookie *dir, const char *name, unsigned mode));
+	long	ARGS_ON_STACK (*rmdir) P_((fcookie *dir, const char *name));
 
-	long	(*rmdir) P_((fcookie *dir, const char *name));
+	long	ARGS_ON_STACK (*remove) P_((fcookie *dir, const char *name));
 
-	long	(*remove) P_((fcookie *dir, const char *name));
+	long	ARGS_ON_STACK (*getname) P_((fcookie *relto, fcookie *dir,
 
-	long	(*getname) P_((fcookie *relto, fcookie *dir, char *pathname));
+			    char *pathname, int size));
 
-	long	(*rename) P_((fcookie *olddir, char *oldname,
+	long	ARGS_ON_STACK (*rename) P_((fcookie *olddir, char *oldname,
 
 			    fcookie *newdir, const char *newname));
 
-	long	(*opendir) P_((DIR *dirh, int tosflag));
+	long	ARGS_ON_STACK (*opendir) P_((DIR *dirh, int tosflag));
 
-	long	(*readdir) P_((DIR *dirh, char *name, int namelen, fcookie *fc));
+	long	ARGS_ON_STACK (*readdir) P_((DIR *dirh, char *name, int namelen, fcookie *fc));
 
-	long	(*rewinddir) P_((DIR *dirh));
+	long	ARGS_ON_STACK (*rewinddir) P_((DIR *dirh));
 
-	long	(*closedir) P_((DIR *dirh));
+	long	ARGS_ON_STACK (*closedir) P_((DIR *dirh));
 
-	long	(*pathconf) P_((fcookie *dir, int which));
+	long	ARGS_ON_STACK (*pathconf) P_((fcookie *dir, int which));
 
-	long	(*dfree) P_((fcookie *dir, long *buf));
+	long	ARGS_ON_STACK (*dfree) P_((fcookie *dir, long *buf));
 
-	long	(*writelabel) P_((fcookie *dir, const char *name));
+	long	ARGS_ON_STACK (*writelabel) P_((fcookie *dir, const char *name));
 
-	long	(*readlabel) P_((fcookie *dir, char *name, int namelen));
+	long	ARGS_ON_STACK (*readlabel) P_((fcookie *dir, char *name, int namelen));
 
-	long	(*symlink) P_((fcookie *dir, const char *name, const char *to));
+	long	ARGS_ON_STACK (*symlink) P_((fcookie *dir, const char *name, const char *to));
 
-	long	(*readlink) P_((fcookie *dir, char *buf, int len));
+	long	ARGS_ON_STACK (*readlink) P_((fcookie *dir, char *buf, int len));
 
-	long	(*hardlink) P_((fcookie *fromdir, const char *fromname,
+	long	ARGS_ON_STACK (*hardlink) P_((fcookie *fromdir, const char *fromname,
 
 				fcookie *todir, const char *toname));
 
-	long	(*fscntl) P_((fcookie *dir, const char *name, int cmd, long arg));
+	long	ARGS_ON_STACK (*fscntl) P_((fcookie *dir, const char *name, int cmd, long arg));
 
-	long	(*dskchng) P_((int drv));
+	long	ARGS_ON_STACK (*dskchng) P_((int drv));
 
-	long	zero;
+	long	ARGS_ON_STACK (*release) P_((fcookie *));
+
+	long	ARGS_ON_STACK (*dupcookie) P_((fcookie *new, fcookie *old));
 
 } FILESYS;
 
@@ -390,55 +422,55 @@ struct kerinfo {
 
 /* media change vector */
 
-	void	(*drvchng) P_((unsigned));
+	void	ARGS_ON_STACK (*drvchng) P_((unsigned));
 
 
 
 /* Debugging stuff */
 
-	void	(*trace) P_((const char *, ...));
+	void	ARGS_ON_STACK (*trace) P_((const char *, ...));
 
-	void	(*debug) P_((const char *, ...));
+	void	ARGS_ON_STACK (*debug) P_((const char *, ...));
 
-	void	(*alert) P_((const char *, ...));
+	void	ARGS_ON_STACK (*alert) P_((const char *, ...));
 
-	EXITING void (*fatal) P_((const char *, ...));
+	EXITING void ARGS_ON_STACK (*fatal) P_((const char *, ...)) NORETURN;
 
 
 
 /* memory allocation functions */
 
-	void *	(*kmalloc) P_((long));
+	void *	ARGS_ON_STACK (*kmalloc) P_((long));
 
-	void	(*kfree) P_((void *));
+	void	ARGS_ON_STACK (*kfree) P_((void *));
 
-	void *	(*umalloc) P_((long));
+	void *	ARGS_ON_STACK (*umalloc) P_((long));
 
-	void	(*ufree) P_((void *));
+	void	ARGS_ON_STACK (*ufree) P_((void *));
 
 
 
 /* utility functions for string manipulation */
 
-	int	(*strnicmp) P_((const char *, const char *, int));
+	int	ARGS_ON_STACK (*strnicmp) P_((const char *, const char *, int));
 
-	int	(*stricmp) P_((const char *, const char *));
+	int	ARGS_ON_STACK (*stricmp) P_((const char *, const char *));
 
-	char *	(*strlwr) P_((char *));
+	char *	ARGS_ON_STACK (*strlwr) P_((char *));
 
-	char *	(*strupr) P_((char *));
+	char *	ARGS_ON_STACK (*strupr) P_((char *));
 
-	int	(*sprintf) P_((char *, const char *, ...));
+	int	ARGS_ON_STACK (*sprintf) P_((char *, const char *, ...));
 
 
 
 /* utility functions for manipulating time */
 
-	void	(*millis_time) P_((unsigned long, short *));
+	void	ARGS_ON_STACK (*millis_time) P_((unsigned long, short *));
 
-	long	(*unixtim) P_((unsigned, unsigned));
+	long	ARGS_ON_STACK (*unixtim) P_((unsigned, unsigned));
 
-	long	(*dostim) P_((long));
+	long	ARGS_ON_STACK (*dostim) P_((long));
 
 
 
@@ -448,27 +480,47 @@ struct kerinfo {
 
  */
 
-	void	(*nap) P_((unsigned));
+	void	ARGS_ON_STACK (*nap) P_((unsigned));
 
-	void	(*sleep) P_((int que, long cond));
+	int	ARGS_ON_STACK (*sleep) P_((int que, long cond));
 
-	void	(*wake) P_((int que, long cond));
+	void	ARGS_ON_STACK (*wake) P_((int que, long cond));
 
-	void	(*wakeselect) P_((long param));
+	void	ARGS_ON_STACK (*wakeselect) P_((long param));
 
 
 
 /* file system utility functions */
 
-	int	(*denyshare) P_((FILEPTR *, FILEPTR *));
+	int	ARGS_ON_STACK (*denyshare) P_((FILEPTR *, FILEPTR *));
 
+	LOCK *	ARGS_ON_STACK (*denylock) P_((LOCK *, LOCK *));
 
 
-/* reserved for future use */
 
-	LOCK *	(*denylock) P_((LOCK *, LOCK *));
+/* functions for adding/cancelling timeouts */
+
+	struct timeout * ARGS_ON_STACK (*addtimeout) P_((long, void (*)()));
+
+	void	ARGS_ON_STACK (*canceltimeout) P_((struct timeout *));
+
+	struct timeout * ARGS_ON_STACK (*addroottimeout) P_((long, void (*)(), short));
+
+	void	ARGS_ON_STACK (*cancelroottimeout) P_((struct timeout *));
+
+
+
+/* miscellaneous other things */
+
+	long	ARGS_ON_STACK (*ikill) P_((int, int));
+
+	void	ARGS_ON_STACK (*iwake) P_((int que, long cond, short pid));
 
-	long	res2[9];
+
+
+/* reserved for future use */
+
+	long	res2[3];
 
 };
 
@@ -588,7 +640,57 @@ struct kerinfo {
 
 #	define	DP_CASEINSENS	2	/* case insensitive, preserved */
 
-#define DP_MAXREQ	6	/* highest legal request */
+#define DP_MODEATTR		7
+
+#	define	DP_ATTRBITS	0x000000ffL	/* mask for valid TOS attribs */
+
+#	define	DP_MODEBITS	0x000fff00L	/* mask for valid Unix file modes */
+
+#	define	DP_FILETYPS	0xfff00000L	/* mask for valid file types */
+
+#	define	DP_FT_DIR	0x00100000L	/* directories (always if . is there) */
+
+#	define	DP_FT_CHR	0x00200000L	/* character special files */
+
+#	define	DP_FT_BLK	0x00400000L	/* block special files, currently unused */
+
+#	define	DP_FT_REG	0x00800000L	/* regular files */
+
+#	define	DP_FT_LNK	0x01000000L	/* symbolic links */
+
+#	define	DP_FT_SOCK	0x02000000L	/* sockets, currently unused */
+
+#	define	DP_FT_FIFO	0x04000000L	/* pipes */
+
+#	define	DP_FT_MEM	0x08000000L	/* shared memory or proc files */
+
+#define DP_XATTRFIELDS	8
+
+#	define	DP_INDEX	0x0001
+
+#	define	DP_DEV		0x0002
+
+#	define	DP_RDEV		0x0004
+
+#	define	DP_NLINK	0x0008
+
+#	define	DP_UID		0x0010
+
+#	define	DP_GID		0x0020
+
+#	define	DP_BLKSIZE	0x0040
+
+#	define	DP_SIZE		0x0080
+
+#	define	DP_NBLOCKS	0x0100
+
+#	define	DP_ATIME	0x0200
+
+#	define	DP_CTIME	0x0400
+
+#	define	DP_MTIME	0x0800
+
+#define DP_MAXREQ	8	/* highest legal request */
 
 
 
@@ -642,6 +744,8 @@ struct kerinfo {
 
 #define F_SETLK		6
 
+#define F_SETLKW	7
+
 
 
 /* more constants for various Fcntl's */
@@ -652,11 +756,11 @@ struct kerinfo {
 
 #define FIONWRITE	(('F'<< 8) | 2)
 
-#define TIOCGETP	(('T'<< 8) | 0)
+#define FIOEXCEPT	(('F'<< 8) | 5)
 
-#define TIOCSETP	(('T'<< 8) | 1)
+#define TIOCGETP	(('T'<< 8) | 0)
 
-#define TIOCSETN	TIOCSETP
+#define TIOCSETN	(('T'<< 8) | 1)
 
 #define TIOCGETC	(('T'<< 8) | 2)
 
@@ -696,7 +800,51 @@ struct kerinfo {
 
 #define TIOCSFLAGS	(('T'<< 8) | 23)
 
+#define TIOCOUTQ	(('T'<< 8) | 24)
+
+#define TIOCSETP	(('T'<< 8) | 25)
+
+#define TIOCHPCL	(('T'<< 8) | 26)
+
+#define TIOCCAR		(('T'<< 8) | 27)
+
+#define TIOCNCAR	(('T'<< 8) | 28)
+
+#define TIOCWONLINE	(('T'<< 8) | 29)
+
+#define TIOCSFLAGSB	(('T'<< 8) | 30)
+
+#define TIOCGSTATE	(('T'<< 8) | 31)
+
+#define TIOCSSTATEB	(('T'<< 8) | 32)
+
+#define TIOCGVMIN	(('T'<< 8) | 33)
+
+#define TIOCSVMIN	(('T'<< 8) | 34)
+
+
+
+/* cursor control Fcntls:
+
+ * NOTE THAT THESE MUST BE TOGETHER
+
+ */
+
+#define TCURSOFF	(('c'<< 8) | 0)
+
+#define TCURSON		(('c'<< 8) | 1)
+
+#define TCURSBLINK	(('c'<< 8) | 2)
 
+#define TCURSSTEADY	(('c'<< 8) | 3)
+
+#define TCURSSRATE	(('c'<< 8) | 4)
+
+#define TCURSGRATE	(('c'<< 8) | 5)
+
+
+
+/* process stuff */
 
 #define PPROCADDR	(('P'<< 8) | 1)
 
@@ -708,6 +856,52 @@ struct kerinfo {
 
 #define PGETFLAGS	(('P'<< 8) | 5)
 
+#define PTRACESFLAGS	(('P'<< 8) | 6)
+
+#define PTRACEGFLAGS	(('P'<< 8) | 7)
+
+#	define	P_ENABLE	(1 << 0)	/* enable tracing */
+
+#ifdef NOTYETDEFINED
+
+#	define	P_DOS		(1 << 1)	/* trace DOS calls - unimplemented */
+
+#	define	P_BIOS		(1 << 2)	/* trace BIOS calls - unimplemented */
+
+#	define	P_XBIOS		(1 << 3)	/* trace XBIOS calls - unimplemented */
+
+#endif
+
+
+
+#define PTRACEGO	(('P'<< 8) | 8)	/* these 4 must be together */
+
+#define PTRACEFLOW	(('P'<< 8) | 9)
+
+#define PTRACESTEP	(('P'<< 8) | 10)
+
+#define PTRACE11	(('P'<< 8) | 11)
+
+#define PLOADINFO	(('P'<< 8) | 12)
+
+#define	PFSTAT		(('P'<< 8) | 13)
+
+
+
+struct ploadinfo {
+
+	/* passed */
+
+	short fnamelen;
+
+	/* returned */
+
+	char *cmdlin, *fname;
+
+};
+
+
+
 
 
 #define SHMGETBLK	(('M'<< 8) | 0)
@@ -744,7 +938,11 @@ struct kerinfo {
 
 					   cursor keys, etc. */
 
-/* 0x0400 and 0x0800 still available */
+#define T_ECHOCTL	0x0400		/* echo ctl chars as ^x */
+
+/* 0x0800 still available */
+
+
 
 #define T_TANDEM	0x1000
 
@@ -762,6 +960,16 @@ struct kerinfo {
 
 /* some flags for TIOC[GS]FLAGS */
 
+#define TF_CAR		0x800		/* nonlocal mode, require carrier */
+
+#define TF_NLOCAL	TF_CAR
+
+
+
+#define TF_BRKINT	0x80		/* allow breaks interrupt (like ^C) */
+
+
+
 #define TF_STOPBITS	0x0003
 
 #define TF_1STOP	0x0001
@@ -794,8 +1002,14 @@ struct kerinfo {
 
 #define TS_ESC		0x00ff
 
+#define TS_BLIND	0x800		/* tty is `blind' i.e. has no carrier
+
+					   (cleared in local mode) */
+
 #define TS_HOLD		0x1000		/* hold (e.g. ^S/^Q) */
 
+#define TS_HPCL		0x4000		/* hang up on close */
+
 #define TS_COOKED	0x8000		/* interpret control chars */
 
 
@@ -886,7 +1100,9 @@ struct tty {
 
 	short		use_cnt;	/* number of times terminal is open */
 
-	short		res1;		/* reserved for future expansion */
+	short		aux_cnt;	/* number of times terminal is open as
+
+					   /dev/aux */
 
 	struct sgttyb 	sg;
 
@@ -902,7 +1118,43 @@ struct tty {
 
 	char		*xkey;		/* extended keyboard table */
 
-	long		resrvd[3];	/* for future expansion */
+	long		hup_ospeed;	/* saved ospeed while hanging up */
+
+	unsigned short	vmin, vtime;	/* min chars, timeout for RAW reads */
+
+	long		resrvd[1];	/* for future expansion */
+
+};
+
+
+
+struct bios_tty {
+
+	IOREC_T		*irec;		/* From XBIOS ... */
+
+	long		*rsel;		/* pointer to field in tty struct */
+
+	IOREC_T		*orec;		/* Same, for output... */
+
+	long		*wsel;
+
+	long		ispeed, ospeed;	/* last speeds set */
+
+	long		*baudmap, maxbaud; /* Rsconf baud word <-> bps table */
+
+	short		*baudx;
+
+	struct tty	*tty;
+
+	long		bticks;		/* when to take a break for real */
+
+	long		vticks;		/* ..check read buf next (vmin/speed) */
+
+	char		clocal, brkint;	/* flags: local mode, break == ^C */
+
+	short		tosfd;		/* if != EUNDEV: fd to pass Fcntl()s */
+
+	short		bdev, unused1;
 
 };
 
@@ -928,45 +1180,133 @@ struct dev_descr {
 
 	struct tty *tty;
 
-	long	reserved[4];
+	long	drvsize;		/* size of DEVDRV struct */
+
+	long	reserved[3];
 
 };
 
 
 
-/* external variables */
+
+
+#define FS_INSTALL    0xf001  /* let the kernel know about the file system */
+
+#define FS_MOUNT      0xf002  /* make a new directory for a file system */
+
+#define FS_UNMOUNT    0xf003  /* remove a directory for a file system */
+
+#define FS_UNINSTALL  0xf004  /* remove a file system from the list */
+
+
 
 
 
+struct fs_descr
+
+{
+
+	FILESYS *file_system;
+
+	short dev_no;    /* this is filled in by MiNT if arg == FS_MOUNT*/
+
+	long flags;
+
+	long reserved[4];
+
+};
+
+
+
+
+
+/* number of BIOS drives */
+
 #define NUM_DRIVES 32
 
-extern FILESYS *drives[NUM_DRIVES];
 
 
+#define BIOSDRV (NUM_DRIVES)
+
+#define PIPEDRV (NUM_DRIVES+1)
+
+#define PROCDRV (NUM_DRIVES+2)
+
+#define SHMDRV	(NUM_DRIVES+3)
 
-#define BIOSDRV ('V'-'A')
 
-#define PIPEDRV ('Q'-'A')
 
-#define PROCDRV ('X'-'A')
+#define UNI_NUM_DRVS (NUM_DRIVES+4)
 
 #define UNIDRV	('U'-'A')
 
 
 
-#define PSEUDODRVS ((1L<<BIOSDRV)|(1L<<PIPEDRV)|(1L<<PROCDRV)|(1L<<UNIDRV))
+#define PSEUDODRVS ((1L<<UNIDRV))
+
+
+
+/* various fields for the "rdev" device numbers */
 
+#define BIOS_DRIVE_RDEV 	0x0000
 
+#define BIOS_RDEV	0x0100
 
-#define PROC_BASE_DEV 0xA000
+#define FAKE_RDEV	0x0200
 
-#define SHMDEVICE 0xB000
+#define PIPE_RDEV	0x7e00
 
+#define UNK_RDEV	0x7f00
+
+#define PROC_RDEV_BASE	0xa000
+
+
+
+#ifndef GENMAGIC
+
+/* external variables */
 
 
+
+extern FILESYS *drives[NUM_DRIVES];
+
 extern struct tty default_tty;
 
-extern char follow_links[];
+#define follow_links ((char *)-1L)
+
+#endif
+
+
+
+/* internal bios file structure */
+
+
+
+#define	BNAME_MAX	13
+
+
+
+struct bios_file {
+
+	char 	name[BNAME_MAX+1];	/* device name */
+
+	DEVDRV *device;			/* device driver for device */
+
+	short	private;		/* extra info for device driver */
+
+	ushort	flags;			/* flags for device open */
+
+	struct tty *tty;		/* tty structure (if appropriate) */
+
+	struct bios_file *next;
+
+	short	lockpid;		/* owner of the lock */
+
+	XATTR	xattr;			/* guess what... */
+
+	long	drvsize;		/* size of DEVDRV struct */
+
+};