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Annotation of 43BSD/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.  The Berkeley software License Agreement
        !             4:  * specifies the terms and conditions for redistribution.
        !             5:  *
        !             6:  *     @(#)tftp.h      5.1 (Berkeley) 5/30/85
        !             7:  */
        !             8: 
        !             9: /*
        !            10:  * Trivial File Transfer Protocol (IEN-133)
        !            11:  */
        !            12: #define        SEGSIZE         512             /* data segment size */
        !            13: 
        !            14: /*
        !            15:  * Packet types.
        !            16:  */
        !            17: #define        RRQ     01                      /* read request */
        !            18: #define        WRQ     02                      /* write request */
        !            19: #define        DATA    03                      /* data packet */
        !            20: #define        ACK     04                      /* acknowledgement */
        !            21: #define        ERROR   05                      /* error code */
        !            22: 
        !            23: struct tftphdr {
        !            24:        short   th_opcode;              /* packet type */
        !            25:        union {
        !            26:                short   tu_block;       /* block # */
        !            27:                short   tu_code;        /* error code */
        !            28:                char    tu_stuff[1];    /* request packet stuff */
        !            29:        } th_u;
        !            30:        char    th_data[1];             /* data or error string */
        !            31: };
        !            32: 
        !            33: #define        th_block        th_u.tu_block
        !            34: #define        th_code         th_u.tu_code
        !            35: #define        th_stuff        th_u.tu_stuff
        !            36: #define        th_msg          th_data
        !            37: 
        !            38: /*
        !            39:  * Error codes.
        !            40:  */
        !            41: #define        EUNDEF          0               /* not defined */
        !            42: #define        ENOTFOUND       1               /* file not found */
        !            43: #define        EACCESS         2               /* access violation */
        !            44: #define        ENOSPACE        3               /* disk full or allocation exceeded */
        !            45: #define        EBADOP          4               /* illegal TFTP operation */
        !            46: #define        EBADID          5               /* unknown transfer ID */
        !            47: #define        EEXISTS         6               /* file already exists */
        !            48: #define        ENOUSER         7               /* no such user */

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