dns

[Vasilis Vasaitis]

On Sun, Mar 07, 1999 at 02:01:59AM +0000, Constantinos A. Kotsokalis wrote:
> Lucky man, to exw etoimo :-) Kanei hostname -> IP address & kai to
> antistrofo. Here it comes.
> 
> ------------------------------------------------------------------
..[snip]..
> 	if ((addr = inet_addr(argv[1])) == INADDR_NONE){ /* hostname given */
> 		if ((hp = gethostbyname(argv[1])) == NULL){  
> 			herror("gethostbyname");   /* invalid hostname */
> 			exit(h_errno);
> 		}
> 	}
> 	else { /* IP address given */
> 		if ((hp = gethostbyaddr((char *)&addr, 4, AF_INET)) == NULL){
> 			herror("gethostbyaddr");  /* invalid IP address */
> 			exit(h_errno);
> 		}
> 	}

  Kale mou anthrope, i gethostbyaddr ti douleia exei edo pera? To
programma douleuei to idio kala an o parapano kodikas pou exo kanei quote
antikatastathei me to eksis tmima tou:

	if ((hp = gethostbyname(argv[1])) == NULL){  
		herror("gethostbyname");   /* invalid hostname */
		exit(h_errno);
	}


> 
> 	printf("Hostname: %s\n", hp->h_name);
..[snip]..

-- 
Vasilis Vasaitis
vvas at hal.csd.auth.gr


--
====================================================================
Gia boithia (h na diagrafhte) e-mail sto majordomo at hellug.gr
Ta archives tis listas einai sto http://lists.hellug.gr
prin steilete kapoia erothsh psakte mipos exei hdh apanththei.
Gia opoiodipote problima stilte e-mail ston owner-linux-greek-users
====================================================================