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tcp-environ.5 (1274B)

      1 .TH tcp-environ 5
      2 .SH NAME
      3 tcp-environ \- TCP-related environment variables
      4 .SH DESCRIPTION
      5 The following environment variables
      6 describe a TCP connection.
      7 They are set up by
      8 .BR tcp-env ,
      9 .BR tcpclient ,
     10 and
     11 .BR tcpserver .
     12 Note that
     13 .BR TCPLOCALHOST ,
     14 .BR TCPREMOTEHOST ,
     15 and
     16 .B TCPREMOTEINFO
     17 can contain arbitrary characters.
     18 .TP 5
     19 PROTO
     20 The string
     21 .BR TCP .
     22 .TP 5
     23 TCPLOCALHOST
     24 The domain name of the local host,
     25 with uppercase letters converted to lowercase.
     26 If there is no currently available domain name
     27 for the local IP address,
     28 .B TCPLOCALHOST
     29 is not set.
     30 .TP 5
     31 TCPLOCALIP
     32 The IP address of the local host, in dotted-decimal form.
     33 .TP 5
     34 TCPLOCALPORT
     35 The local TCP port number, in decimal.
     36 .TP 5
     37 TCPREMOTEHOST
     38 The domain name of the remote host,
     39 with uppercase letters converted to lowercase.
     40 If there is no currently available domain name
     41 for the remote IP address,
     42 .B TCPREMOTEHOST
     43 is not set.
     44 .TP 5
     45 TCPREMOTEINFO
     46 A connection-specific string, perhaps a username,
     47 supplied by the remote host
     48 via 931/1413/IDENT/TAP.
     49 If the remote host did not supply connection information,
     50 .B TCPREMOTEINFO
     51 is not set.
     52 .TP 5
     53 TCPREMOTEIP
     54 The IP address of the remote host.
     55 .TP 5
     56 TCPREMOTEPORT
     57 The remote TCP port number.
     58 .SH "SEE ALSO"
     59 tcpclient(1),
     60 tcpserver(1),
     61 tcp-env(1),
     62 tcp(4)