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22 lines
945 B
Markdown
22 lines
945 B
Markdown
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The [_OPENHOST](_OPENHOST) function opens a Host which listens for new connections and returns a Host status handle.
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## Syntax
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> hostHandle = [_OPENHOST](_OPENHOST)(**"TCP/IP:8080"**)
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## Description
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* Creates an [ERROR Codes](ERROR-Codes) error if called with a string argument of the wrong syntax.
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* The port used in the syntax example is 8080.
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* Valid hostHandle values are negative numbers.
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* If the syntax is correct but they fail to begin/connect a hostHandle of 0 is returned.
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* Always check if the handle returned is 0 (failed) before continuing.
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* [CLOSE](CLOSE) hostHandle closes the host. A failed handle value of 0 does not need to be closed.
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## See Also
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* [_OPENCONNECTION](_OPENCONNECTION), [_OPENCLIENT](_OPENCLIENT)
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* [_CONNECTED](_CONNECTED), [_CONNECTIONADDRESS](_CONNECTIONADDRESS)
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* [Email Demo](Email-Demo), [Inter-Program Data Sharing Demo](Inter-Program-Data-Sharing-Demo)
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* [Downloading Files](Downloading-Files)
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