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# PERL gethostbyaddr Function

## Syntax

gethostbyaddr ADDR, ADDRTYPE

## Definition and Usage

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

## Return Value

- In scalr context undef on error and otherwise host name.

- In list context Empty list on error otherwise host record shown above.

## Example

Try following example:

    #!/usr/bin/perl
    use Socket;

        $iaddr = inet_aton("127.1"); # or whatever address
        $name  = gethostbyaddr($iaddr, AF_INET);
        print "Host name is $name\n";

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