atalk man page on OpenBSD

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ATALK(4)		  OpenBSD Programmer's Manual		      ATALK(4)

     atalk - AppleTalk Protocol Family

     #include <sys/types.h>
     #include <netatalk/at.h>

     The AppleTalk Protocol Family provides presentation layer support for the
     AppleTalk Datagram Delivery Protocol (DDP), using the SOCK_DGRAM socket
     type.  In addition, access to in-kernel AppleTalk routing tables and
     network interface configurations is provided.

     The AppleTalk Protocol Suite provides support for four kinds of physical
     media: LocalTalk (230kbps wire-or'd serial), Ethernet, Token Ring, and
     asynchronous serial connections (using either AppleTalk Remote Access
     (ARA) or PPP).  Currently, this AppleTalk implementation supports only

     AppleTalk packets are encapsulated on the Ethernet using the EtherTalk
     Link Access Protocol (ELAP).  Local network address resolution is handled
     using the AppleTalk Address Resolution Protocol (AARP).  Neither of these
     protocols is exposed to user-mode applications.

     AppleTalk addresses are three byte quantities, stored in network byte
     order.  The include file <netatalk/at.h> defines the AppleTalk address

     Sockets in the AppleTalk protocol family use the following address

	   struct sockaddr_at {
		   u_int8_t	   sat_len;
		   u_int8_t	   sat_family;
		   u_int8_t	   sat_port;
		   struct at_addr  sat_addr;
		   union {
			   struct netrange r_netrange;
			   char		   r_zero[8];
		   } sat_range;

     The port of a socket may be set with bind(2).  The node for bind(2) must
     always be ATADDR_ANYNODE: ``this node.'' The net must be ATADDR_ANYNET.
     ATADDR_ANYNET corresponds to the machine's ``primary'' address (the first
     configured).  The port of a socket and the primary address are returned
     with getsockname(2).

     The AppleTalk protocol family is comprised of the DDP datagram delivery
     protocol, AppleTalk Data Stream Protocol (ADSP), AppleTalk Echo Protocol
     (AEP), AppleTalk Filing Protocol (AFP), AppleTalk Session Protocol (ASP),
     AppleTalk Transaction Protocol (ATP), Name Binding Protocol (NBP),
     Printer Access Protocol (PAP), and Zone Information Protocol (ZIP).

     DDP is implemented in the kernel as SOCK_DGRAM sockets in the
     AF_APPLETALK address family.  All other AppleTalk protocols are
     implemented using the Netatalk package.  Netatalk implements all
     functions except for ADSP and an AFP client.  AEP, NBP, and ZIP services
     are provided by the atalkd daemon.	 ASP and ATP services are provided by
     a user library.  PAP and AFP services are provided by user programs and

     bind(2), getsockname(2)

     Gursharan S. Sidhu, Richard F. Andrews, and Alan B. Oppenheimer, Inside
     AppleTalk, second edition.

OpenBSD 4.9			 May 31, 2007			   OpenBSD 4.9

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