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Annotation of 43BSDReno/include/arpa/tftp.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1983 Regents of the University of California.
        !             3:  * All rights reserved.
        !             4:  *
        !             5:  * Redistribution and use in source and binary forms are permitted
        !             6:  * provided that: (1) source distributions retain this entire copyright
        !             7:  * notice and comment, and (2) distributions including binaries display
        !             8:  * the following acknowledgement:  ``This product includes software
        !             9:  * developed by the University of California, Berkeley and its contributors''
        !            10:  * in the documentation or other materials provided with the distribution
        !            11:  * and in all advertising materials mentioning features or use of this
        !            12:  * software. Neither the name of the University nor the names of its
        !            13:  * contributors may be used to endorse or promote products derived
        !            14:  * from this software without specific prior written permission.
        !            15:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
        !            16:  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
        !            17:  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            18:  *
        !            19:  *     @(#)tftp.h      5.3 (Berkeley) 6/1/90
        !            20:  */
        !            21: 
        !            22: /*
        !            23:  * Trivial File Transfer Protocol (IEN-133)
        !            24:  */
        !            25: #define        SEGSIZE         512             /* data segment size */
        !            26: 
        !            27: /*
        !            28:  * Packet types.
        !            29:  */
        !            30: #define        RRQ     01                      /* read request */
        !            31: #define        WRQ     02                      /* write request */
        !            32: #define        DATA    03                      /* data packet */
        !            33: #define        ACK     04                      /* acknowledgement */
        !            34: #define        ERROR   05                      /* error code */
        !            35: 
        !            36: struct tftphdr {
        !            37:        short   th_opcode;              /* packet type */
        !            38:        union {
        !            39:                short   tu_block;       /* block # */
        !            40:                short   tu_code;        /* error code */
        !            41:                char    tu_stuff[1];    /* request packet stuff */
        !            42:        } th_u;
        !            43:        char    th_data[1];             /* data or error string */
        !            44: };
        !            45: 
        !            46: #define        th_block        th_u.tu_block
        !            47: #define        th_code         th_u.tu_code
        !            48: #define        th_stuff        th_u.tu_stuff
        !            49: #define        th_msg          th_data
        !            50: 
        !            51: /*
        !            52:  * Error codes.
        !            53:  */
        !            54: #define        EUNDEF          0               /* not defined */
        !            55: #define        ENOTFOUND       1               /* file not found */
        !            56: #define        EACCESS         2               /* access violation */
        !            57: #define        ENOSPACE        3               /* disk full or allocation exceeded */
        !            58: #define        EBADOP          4               /* illegal TFTP operation */
        !            59: #define        EBADID          5               /* unknown transfer ID */
        !            60: #define        EEXISTS         6               /* file already exists */
        !            61: #define        ENOUSER         7               /* no such user */

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