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      1 /*      $NetBSD: prog_ops.h,v 1.2 2011/02/09 11:22:49 pooka Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 2010 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     17  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     26  * POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 #ifndef _PROG_OPS_H_
     30 #define _PROG_OPS_H_
     31 
     32 #include <sys/types.h>
     33 
     34 #ifndef CRUNCHOPS
     35 struct prog_ops {
     36 	int (*op_init)(void);
     37 
     38 	int (*op_open)(const char *, int, ...);
     39 	int (*op_ioctl)(int, unsigned long, ...);
     40 	int (*op_fstat)(int, struct stat *);
     41 	int (*op_close)(int);
     42 };
     43 extern const struct prog_ops prog_ops;
     44 
     45 #define prog_init prog_ops.op_init
     46 #define prog_open prog_ops.op_open
     47 #define prog_ioctl prog_ops.op_ioctl
     48 #define prog_fstat prog_ops.op_fstat
     49 #define prog_close prog_ops.op_close
     50 #else
     51 #define prog_init ((int (*)(void))NULL)
     52 #define prog_open open
     53 #define prog_ioctl ioctl
     54 #define prog_fstat fstat
     55 #define prog_close close
     56 #endif
     57 
     58 #endif /* _PROG_OPS_H_ */
     59