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atalk(4) - atalk - AppleTalk protocol family - man 4 atalk

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atalk(4)                           Netatalk                           atalk(4)

       atalk - AppleTalk protocol family

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

       The  AppleTalk  protocol  family  is  a collection of protocols layered
       above the Datagram Delivery Protocol (DDP), and using AppleTalk address
       format. The AppleTalk family may provide SOCK_STREAM (ADSP), SOCK_DGRAM
       (DDP), SOCK_RDM (ATP), and SOCK_SEQPACKET (ASP). Currently, only DDP is
       implemented  in(1,8)  the  kernel; ATP and ASP are implemented in(1,8) user level
       libraries; and ADSP is planned.

       AppleTalk addresses are three byte quantities, stored in(1,8)  network  byte
       order.  The  include file(1,n) <netatalk/at.h> defines the AppleTalk address

       Sockets in(1,8) the AppleTalk protocol  family  use  the  following  address

       struct sockaddr_at {
           short sat_family;
           u_char sat_port;
           struct at_addr sat_addr;
           char sat_zero[ 8 ];

       The  port  of a socket(2,7,n) may be set(7,n,1 builtins) with bind(2,n,1 builtins)(2).  The node for bind(2,n,1 builtins) must
       always be ATADDR_ANYNODE: ``this node.'' The net may  be  ATADDR_ANYNET
       or  ATADDR_LATENET.   ATADDR_ANYNET  coresponds to the machine's ``pri-
       mary'' address  (the  first  configured).   ATADDR_LATENET  causes  the
       address  in(1,8)  outgoing  packets  to be determined when a packet is sent,
       i.e. determined late.  ATADDR_LATENET  is  equivalent  to  opening  one
       socket(2,7,n)  for each network interface. The port of a socket(2,7,n) and either the
       primary address or ATADDR_LATENET are returned with getsockname(2).

       bind(2,n,1 builtins)(2), getsockname(2), atalkd(8).

2.0.3                             17 Dec 1991                         atalk(4)

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