-- card: 10271 from stack: in
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Function:

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TCPRecvUpTo(connID,termChar,timeOut,oldString)

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Receive characters from a TCP connection.

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connID
termChar
timeOut
oldString

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the ID of the TCP connection
character after which to terminate the receive, or empty
number of ticks (1/60ths of a second) to wait, or zero
string of previously received characters

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This is the principle, and most powerfull TCP receive character function. It inputs character until a particular character is received or until a time-out occurs. TCPRecvUpTo returns both the old string and any new input.