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Annotation of 43BSD/include/arpa/tftp.h, revision 1.1.1.1

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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