text: /*
   * Copyright (c) 1991 University of Utah.
   * Copyright (c) 1990, 1993
   *	The Regents of the University of California.  All rights reserved.
   *
   * This code is derived from software contributed to Berkeley by
   * the Systems Programming Group of the University of Utah Computer
   * Science Department.
   *
   * %sccs.include.redist.c%
   *
   * from: Utah $Hdr: acioctl.h 1.1 91/06/19$
   *
   *	@(#)acioctl.h	8.1 (Berkeley) 06/10/93
   */
  
  struct acinfo {
  	short	fmte;		/* 1st medium transport elt (picker) */
  	short	nmte;		/* # medium transport elts */
  	short	fse;		/* 1st storage elt (slot) */
  	short	nse;		/* # storage elts */
  	short	fiee;		/* 1st import/export elt (mailslot) */
  	short	niee;		/* # import/export elts */
  	short	fdte;		/* 1st data transport elt (drive) */
  	short	ndte;		/* # data transport elts */
  };
  
  struct aceltstat {
  	short	eaddr;		/* element adress */
  	char	type;		/* type of element */
  	char	flags;		/* flags */
  };
  
  /* types */
  #define AC_MTE		0x01	/* picker */
  #define AC_SE		0x02	/* slot */
  #define AC_IEE		0x03	/* mailslot */
  #define AC_DTE		0x04	/* drive */
  /* flags */
  #define AC_FULL		0x01	/* media present */
  #define	AC_ERROR	0x04	/* error accessing element */
  #define AC_ACCESS	0x08	/* element accessible */
  #define AC_INVERT	0x80	/* media inverted prior to insertion */
  
  struct acmove {
  	short	srcelem;
  	short	dstelem;
  	short	flags;
  };
  
  struct acbuffer {
  	char	*bufptr;
  	int	buflen;
  };
  
  #define ACIOCINIT	_IO('A', 0x1)			/* init elt status */
  #define ACIOCGINFO	_IOR('A', 0x2, struct acinfo)	/* mode sense */
  #define ACIOCGSTAT	_IOW('A', 0x3, struct acbuffer)	/* read elem status */
  #define ACIOCMOVE	_IOW('A', 0x4, struct acmove)	/* move elem */
  #define ACIOCRAWES	_IOW('A', 0x5, struct acbuffer)	/* raw element stat */
  