54 lines
1.3 KiB
C
54 lines
1.3 KiB
C
/* @(#)tftp.h 1.1 94/10/31 SMI; from UCB 5.1 5/30/85 */
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/*
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* Copyright (c) 1983 Regents of the University of California.
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* All rights reserved. The Berkeley software License Agreement
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* specifies the terms and conditions for redistribution.
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*/
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/*
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* Trivial File Transfer Protocol (IEN-133)
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*/
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#ifndef _arpa_tftp_h
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#define _arpa_tftp_h
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#define SEGSIZE 512 /* data segment size */
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/*
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* Packet types.
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*/
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#define RRQ 01 /* read request */
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#define WRQ 02 /* write request */
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#define DATA 03 /* data packet */
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#define ACK 04 /* acknowledgement */
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#define ERROR 05 /* error code */
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struct tftphdr {
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short th_opcode; /* packet type */
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union {
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short tu_block; /* block # */
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short tu_code; /* error code */
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char tu_stuff[1]; /* request packet stuff */
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} th_u;
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char th_data[1]; /* data or error string */
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};
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#define th_block th_u.tu_block
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#define th_code th_u.tu_code
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#define th_stuff th_u.tu_stuff
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#define th_msg th_data
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/*
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* Error codes.
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*/
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#define EUNDEF 0 /* not defined */
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#define ENOTFOUND 1 /* file not found */
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#define EACCESS 2 /* access violation */
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#define ENOSPACE 3 /* disk full or allocation exceeded */
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#define EBADOP 4 /* illegal TFTP operation */
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#define EBADID 5 /* unknown transfer ID */
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#define EEXISTS 6 /* file already exists */
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#define ENOUSER 7 /* no such user */
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#endif /*!_arpa_tftp_h*/
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