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Annotation of 43BSDTahoe/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 the above copyright notice and this paragraph are
        !             7:  * duplicated in all such forms and that any documentation,
        !             8:  * advertising materials, and other materials related to such
        !             9:  * distribution and use acknowledge that the software was developed
        !            10:  * by the University of California, Berkeley.  The name of the
        !            11:  * University may not be used to endorse or promote products derived
        !            12:  * from this software without specific prior written permission.
        !            13:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
        !            14:  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
        !            15:  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            16:  *
        !            17:  *     @(#)tftp.h      5.2 (Berkeley) 6/27/88
        !            18:  */
        !            19: 
        !            20: /*
        !            21:  * Trivial File Transfer Protocol (IEN-133)
        !            22:  */
        !            23: #define        SEGSIZE         512             /* data segment size */
        !            24: 
        !            25: /*
        !            26:  * Packet types.
        !            27:  */
        !            28: #define        RRQ     01                      /* read request */
        !            29: #define        WRQ     02                      /* write request */
        !            30: #define        DATA    03                      /* data packet */
        !            31: #define        ACK     04                      /* acknowledgement */
        !            32: #define        ERROR   05                      /* error code */
        !            33: 
        !            34: struct tftphdr {
        !            35:        short   th_opcode;              /* packet type */
        !            36:        union {
        !            37:                short   tu_block;       /* block # */
        !            38:                short   tu_code;        /* error code */
        !            39:                char    tu_stuff[1];    /* request packet stuff */
        !            40:        } th_u;
        !            41:        char    th_data[1];             /* data or error string */
        !            42: };
        !            43: 
        !            44: #define        th_block        th_u.tu_block
        !            45: #define        th_code         th_u.tu_code
        !            46: #define        th_stuff        th_u.tu_stuff
        !            47: #define        th_msg          th_data
        !            48: 
        !            49: /*
        !            50:  * Error codes.
        !            51:  */
        !            52: #define        EUNDEF          0               /* not defined */
        !            53: #define        ENOTFOUND       1               /* file not found */
        !            54: #define        EACCESS         2               /* access violation */
        !            55: #define        ENOSPACE        3               /* disk full or allocation exceeded */
        !            56: #define        EBADOP          4               /* illegal TFTP operation */
        !            57: #define        EBADID          5               /* unknown transfer ID */
        !            58: #define        EEXISTS         6               /* file already exists */
        !            59: #define        ENOUSER         7               /* no such user */

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