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Annotation of XNU/bsd/include/arpa/tftp.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
        !             3:  *
        !             4:  * @APPLE_LICENSE_HEADER_START@
        !             5:  * 
        !             6:  * The contents of this file constitute Original Code as defined in and
        !             7:  * are subject to the Apple Public Source License Version 1.1 (the
        !             8:  * "License").  You may not use this file except in compliance with the
        !             9:  * License.  Please obtain a copy of the License at
        !            10:  * http://www.apple.com/publicsource and read it before using this file.
        !            11:  * 
        !            12:  * This Original Code and all software distributed under the License are
        !            13:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
        !            14:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
        !            15:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
        !            16:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
        !            17:  * License for the specific language governing rights and limitations
        !            18:  * under the License.
        !            19:  * 
        !            20:  * @APPLE_LICENSE_HEADER_END@
        !            21:  */
        !            22: /*
        !            23:  * Copyright (c) 1983, 1993
        !            24:  *     The Regents of the University of California.  All rights reserved.
        !            25:  *
        !            26:  * Redistribution and use in source and binary forms, with or without
        !            27:  * modification, are permitted provided that the following conditions
        !            28:  * are met:
        !            29:  * 1. Redistributions of source code must retain the above copyright
        !            30:  *    notice, this list of conditions and the following disclaimer.
        !            31:  * 2. Redistributions in binary form must reproduce the above copyright
        !            32:  *    notice, this list of conditions and the following disclaimer in the
        !            33:  *    documentation and/or other materials provided with the distribution.
        !            34:  * 3. All advertising materials mentioning features or use of this software
        !            35:  *    must display the following acknowledgement:
        !            36:  *     This product includes software developed by the University of
        !            37:  *     California, Berkeley and its contributors.
        !            38:  * 4. Neither the name of the University nor the names of its contributors
        !            39:  *    may be used to endorse or promote products derived from this software
        !            40:  *    without specific prior written permission.
        !            41:  *
        !            42:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            43:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            44:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            45:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            46:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            47:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            48:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            49:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            50:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            51:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            52:  * SUCH DAMAGE.
        !            53:  *
        !            54:  *     @(#)tftp.h      8.1 (Berkeley) 6/2/93
        !            55:  */
        !            56: 
        !            57: #ifndef _TFTP_H_
        !            58: #define        _TFTP_H_
        !            59: 
        !            60: /*
        !            61:  * Trivial File Transfer Protocol (IEN-133)
        !            62:  */
        !            63: #define        SEGSIZE         512             /* data segment size */
        !            64: 
        !            65: /*
        !            66:  * Packet types.
        !            67:  */
        !            68: #define        RRQ     01                      /* read request */
        !            69: #define        WRQ     02                      /* write request */
        !            70: #define        DATA    03                      /* data packet */
        !            71: #define        ACK     04                      /* acknowledgement */
        !            72: #define        ERROR   05                      /* error code */
        !            73: 
        !            74: struct tftphdr {
        !            75:        short   th_opcode;              /* packet type */
        !            76:        union {
        !            77:                short   tu_block;       /* block # */
        !            78:                short   tu_code;        /* error code */
        !            79:                char    tu_stuff[1];    /* request packet stuff */
        !            80:        } th_u;
        !            81:        char    th_data[1];             /* data or error string */
        !            82: };
        !            83: 
        !            84: #define        th_block        th_u.tu_block
        !            85: #define        th_code         th_u.tu_code
        !            86: #define        th_stuff        th_u.tu_stuff
        !            87: #define        th_msg          th_data
        !            88: 
        !            89: /*
        !            90:  * Error codes.
        !            91:  */
        !            92: #define        EUNDEF          0               /* not defined */
        !            93: #define        ENOTFOUND       1               /* file not found */
        !            94: #define        EACCESS         2               /* access violation */
        !            95: #define        ENOSPACE        3               /* disk full or allocation exceeded */
        !            96: #define        EBADOP          4               /* illegal TFTP operation */
        !            97: #define        EBADID          5               /* unknown transfer ID */
        !            98: #define        EEXISTS         6               /* file already exists */
        !            99: #define        ENOUSER         7               /* no such user */
        !           100: 
        !           101: #endif /* !_TFTP_H_ */

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