| 12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576 | /* * Copyright (c) 1983, 1993 *	The Regents of the University of California.  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. * 4. Neither the name of the University nor the names of its contributors *    may be used to endorse or promote products derived from this software *    without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 THE REGENTS 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. * *	@(#)tftp.h	8.1 (Berkeley) 6/2/93 */#ifndef _ARPA_TFTP_H#define	_ARPA_TFTP_H 1/* * Trivial File Transfer Protocol (IEN-133) */#define	SEGSIZE		512		/* data segment size *//* * Packet types. */#define	RRQ	01				/* read request */#define	WRQ	02				/* write request */#define	DATA	03				/* data packet */#define	ACK	04				/* acknowledgement */#define	ERROR	05				/* error code */struct	tftphdr {	short	th_opcode;			/* packet type */	union {		unsigned short	tu_block;	/* block # */		short	tu_code;		/* error code */		char	tu_stuff[1];		/* request packet stuff */	} __attribute__ ((__packed__)) th_u;	char	th_data[1];			/* data or error string */} __attribute__ ((__packed__));#define	th_block	th_u.tu_block#define	th_code		th_u.tu_code#define	th_stuff	th_u.tu_stuff#define	th_msg		th_data/* * Error codes. */#define	EUNDEF		0		/* not defined */#define	ENOTFOUND	1		/* file not found */#define	EACCESS		2		/* access violation */#define	ENOSPACE	3		/* disk full or allocation exceeded */#define	EBADOP		4		/* illegal TFTP operation */#define	EBADID		5		/* unknown transfer ID */#define	EEXISTS		6		/* file already exists */#define	ENOUSER		7		/* no such user */#endif /* arpa/tftp.h */
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