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appletalk.h 1.78 KB
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Denis Ovsienko 提交于 2021-01-12 18:13 . AppleTalk: Declutter appletalk.h.
/*
* Copyright (c) 1988, 1989, 1990, 1993, 1994, 1995, 1996
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that: (1) source code distributions
* retain the above copyright notice and this paragraph in its entirety, (2)
* distributions including binary code include the above copyright notice and
* this paragraph in its entirety in the documentation or other materials
* provided with the distribution, and (3) all advertising materials mentioning
* features or use of this software display the following acknowledgement:
* ``This product includes software developed by the University of California,
* Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
* the University nor the names of its contributors may be used to endorse
* or promote products derived from this software without specific prior
* written permission.
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*
* AppleTalk protocol formats (courtesy Bill Croft of Stanford/SUMEX).
*/
struct LAP {
nd_uint8_t dst;
nd_uint8_t src;
nd_uint8_t type;
};
#define lapShortDDP 1 /* short DDP type */
#define lapDDP 2 /* DDP type */
#define lapKLAP 'K' /* Kinetics KLAP type */
/*
* UDP port range used for ddp-in-udp encapsulation is 16512-16639
* for client sockets (128-255) and 200-327 for server sockets
* (0-127). We also try to recognize the pre-April 88 server
* socket range of 768-895.
*/
#define atalk_port(p) \
(((unsigned)((p) - 16512) < 128) || \
((unsigned)((p) - 200) < 128) || \
((unsigned)((p) - 768) < 128))
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