Perl::Function - gethostbyaddr

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Die Funktion gethostbyaddr ermittelt den Hostnamen für eine gegebene IP-Adresse. Als Rückgabewert wird als String der Hostname oder unknown zurück gegeben.

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Information

gethostbyaddr

```
sub gethostname {
```
```
 
```
```
use Socket;
```
```
my ($adr) = @_;
```
```
my ($iadr) = inet_aton($adr);
```

my ($name, $aliases, $adrtype, $net) = gethostbyaddr($iadr, AF_INET);

```
return $name;
```
```
 
```
```
}
```

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