text: /*
   * Copyright (C) 2008 Edwin Groothuis. All rights reserved.
   * 
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   * 
   * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   * ARE DISCLAIMED.  IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   */
  
  #include <sys/cdefs.h>
  __FBSDID("$FreeBSD: soc2013/dpl/head/libexec/tftpd/tftp-options.h 207657 2010-05-04 13:07:40Z imp $");
  
  /*
   * Options
   */
  
  void		init_options(void);
  uint16_t	make_options(int peer, char *buffer, uint16_t size);
  int		parse_options(int peer, char *buffer, uint16_t size);
  
  /* Call back functions */
  int	option_tsize(int peer, struct tftphdr *, int, struct stat *);
  int	option_timeout(int peer);
  int	option_blksize(int peer);
  int	option_blksize2(int peer);
  int	option_rollover(int peer);
  
  extern int options_extra_enabled;
  extern int options_rfc_enabled;
  
  struct options {
  	const char	*o_type;
  	char		*o_request;
  	char		*o_reply;
  	int		(*o_handler)(int peer);
  	int		rfc;
  };
  
  extern struct options	options[];
  enum opt_enum {
  	OPT_TSIZE = 0,
  	OPT_TIMEOUT,
  	OPT_BLKSIZE,
  	OPT_BLKSIZE2,
  	OPT_ROLLOVER,
  };
  