Re: Remote host name

[Ron Michael Khu <ronkhu@ntsp.nec.co.jp>]

oops..
i meant [gethostname()]  not [gethostbyname()]
=(

sorry

Ron Michael Khu wrote:

> use gethostbyname().....
>
> example:
> gethostname( strVariable, len );
> printf( "hostname: %s\n", strVariable );
>
> gethostbyname(), on the other hand, is for returning the equivalent ip 
> address of  the specified name..
> hence the name "gethostbyname"...
>
>
>
> HIToC wrote:
>
>> Hi all.
>> I am writing a function that returns the name of the remote host 
>> which we are
>> connected to. About the remote host I only know its IP address...I 
>> have tried
>> to use function "gethostbyname" passing for argument the IP address in
>> standard dot notation:
>>
>> [man 3 gethostbyname: The gethostbyname() function returns a 
>> structure of type hostent for the given host name. Here name is 
>> either a host name, or
>> an IPv4 address in standard dot notation, or an IPv6 address in colon
>> (and possibly dot) notation.]
>>
>>
>> struct sockaddr_in destination;
>>
>> char* get_remote_host_name()
>> {
>>  hostent* remote_host_information;
>>  char* host_IP;
>>
>>  host_IP =  inet_ntoa(destination.sin_addr);
>>  remote_host_information = gethostbyname(host_IP);
>>
>>  return remote_host_information->h_name;
>> }
>>
>>
>> This function returns the IP address of the remote host, not its 
>> (DNS) name!
>> Can anybody help me?
>>  
>>
>
>
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