luaposix 35.1 Reference

## abstract-ns-server.lua

    #!/usr/bin/env lua

    local M = require 'posix.sys.socket'

    -- Create an AF_UNIX datagram socket
    local s, errmsg = M.socket(M.AF_UNIX, M.SOCK_DGRAM, 0)
    assert(s ~ = nil, errmsg)

    -- Bind to the abtract AF_UNIX name 'mysocket'
    local rc, errmsg = M.bind(s, {family=M.AF_UNIX, path='\0mysocket'})
    assert(rc =  = 0, errmsg)

    -- Receive datagrams on the socket and print out the contents
    local dgram
    while true do
       dgram, errmsg = M.recv(s, 1024)
       assert(dgram ~ = nil, errmsg)
       print('Got packet: [' .. tostring(dgram) .. ']')
    end

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