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Perl gethostbyname Function
Description
This function contacts the system's name-resolving service, returning a list of information for the host ADDR of type ADDRTYPE, as follows − ($name, $aliases, $addrtype, $length, @addrs)
The @addrs array contains a list of packed binary addresses. In a scalar context, returns the host address.
Syntax
Following is the simple syntax for this function −
gethostbyname NAME
Return Value
This function returns undef on error and otherwise host name in scalr context and empty list on error otherwise host record in list context.
Example
Following is the example code showing its basic usage −
#!/usr/bin/perl use Socket; ($name, $aliases, $addrtype, $length, @addrs) = gethostbyname "amrood.com"; print "Host name is $name\n"; print "Aliases is $aliases\n";
When above code is executed, it produces the following result −
Host name is amrood.com Aliases is
perl_function_references.htm
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