Navigation: thinBasic Modules > TcpUdp > TCP functions > TCP_Open |
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Description
Open a TCP/IP port or service name for communication.
Syntax
n = TCP_Open(sPortOrServiceName, sHost, nFile [, nTimeOut])
Returns
Number.
Parameters
Name |
Type |
Optional |
Meaning |
sPortOrServiceName |
Any |
No |
This parameter can be either a port number or a service name. thinBasic will take care of it. For example to open a connection with a web server, either specify 80 or "HTTP". To open a connection with a SMTP server, either specify 25 or "SMTP" |
sHost |
String |
No |
IP number or server name |
nFile |
Number |
No |
File number. Use an unused file number. To get the first available file number, use TCP_FreeFile function |
nTimeOut |
Number |
Yes |
Time out in milliseconds. If no timeout, a standard 60000 milliseconds (60 seconds) will be used |
Remarks
Restrictions
See also
Examples
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