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- tcp-environ(5) tcp-environ(5)
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- NNAAMMEE
- tcp-environ - TCP-related environment variables
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- DDEESSCCRRIIPPTTIIOONN
- The following environment variables describe a TCP connec-
- tion. They are set up by ttccpp--eennvv, ttccppcclliieenntt, and
- ttccppsseerrvveerr. Note that TTCCPPLLOOCCAALLHHOOSSTT, TTCCPPRREEMMOOTTEEHHOOSSTT, and
- TTCCPPRREEMMOOTTEEIINNFFOO can contain arbitrary characters.
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- PROTO
- The string TTCCPP.
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- TCPLOCALHOST
- The domain name of the local host, with uppercase
- letters converted to lowercase. If there is no cur-
- rently available domain name for the local IP
- address, TTCCPPLLOOCCAALLHHOOSSTT is not set.
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- TCPLOCALIP
- The IP address of the local host, in dotted-decimal
- form.
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- TCPLOCALPORT
- The local TCP port number, in decimal.
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- TCPREMOTEHOST
- The domain name of the remote host, with uppercase
- letters converted to lowercase. If there is no cur-
- rently available domain name for the remote IP
- address, TTCCPPRREEMMOOTTEEHHOOSSTT is not set.
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- TCPREMOTEINFO
- A connection-specific string, perhaps a username,
- supplied by the remote host via 931/1413/IDENT/TAP.
- If the remote host did not supply connection informa-
- tion, TTCCPPRREEMMOOTTEEIINNFFOO is not set.
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- TCPREMOTEIP
- The IP address of the remote host.
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- TCPREMOTEPORT
- The remote TCP port number.
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- SSEEEE AALLSSOO
- tcpclient(1), tcpserver(1), tcp-env(1), tcp(4)
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