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atalk (4)
  • >> atalk (4) ( Linux man: Специальные файлы /dev/* )
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    NAME

    atalk - AppleTalk protocol family
     
    

    SYNOPSIS

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

    DESCRIPTION

    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 the kernel; ATP and ASP are implemented in user level libraries; and ADSP is planned.  

    ADDRESSING

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

    Sockets in the AppleTalk protocol family use the following address structure:

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

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

    SEE ALSO

    bind(2), getsockname(2), atalkd(8).


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    ADDRESSING
    SEE ALSO


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