How to get a fqn hostname

[Jan H. Schrewe]

Werner Modenbach wrote:

> On Montag, 8. Oktober 2001 13:15 Jan H. Schrewe wrote / Am Montag, 8. Oktober 
> 2001 13:15 schrieb Jan H. Schrewe:
> 
>>Werner Modenbach wrote:
>>
>>>First of all sorry for the OT question.
>>>
>>>In programming a server using Qt classes I need to know the
>>>fqn hostname of the system.
>>>The QSocket method address() allways returns "0.0.0.0".
>>>Going to gethostname(...) and getdomainname(...) delivers domainname "".
>>>uname(...) also returns an empty domainname.
>>>
>>>Any hints? I've no idea where else to look for a solution.
>>>
>>>Thanks.
>>>
>>>- Werner -
>>>
>>try gethostbyname(3) the function is called gethostbyaddress. I don't
>>really know if this is the fqdn but it should be a starting point
>>
>>
> 
> For this to work I need to know the numerical address which I also don't have.
> 
> - Werner -
> 
> 

OK,

the man-page of dnsdomainname (a shell command) says:

"Technically: The FQDN is the name gethostbyname(2) returns
for the host name returned  by  gethostname(2).   The  DNS
domain name is the part after the first dot."

I don't know if gethostname(...) returns works for you, but this does sound like 
it shuold work (although never tried it :-)

cheers

Jan


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