Tcl
Tcl
Resolve a Hostname to an IP Address
See more Socket/SSL/TLS Examples
Demonstrates Socket.DnsLookup, which resolves a hostname and returns one numeric IP address.
Background. A maxWaitMs of 0 waits indefinitely; a positive value bounds the wait. Resolved results may be served from Chilkat's process-wide DNS cache.
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load ./chilkat.dll
set socket [new_CkSocket]
# Resolve a hostname to a numeric IP address, waiting up to 5 seconds.
set ipAddress [CkSocket_dnsLookup $socket "example.com" 5000]
if {[CkSocket_get_LastMethodSuccess $socket] == 0} then {
puts [CkSocket_lastErrorText $socket]
delete_CkSocket $socket
exit
}
puts "Resolved IP address: $ipAddress"
delete_CkSocket $socket