#include <stdio.h>
#include <unistd.h>
#include <arpa/inet.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
int main(int argc,char **argv) {
int i;
struct hostent *he;
struct in_addr **addr_list;
struct in_addr addr;
he = gethostbyname(argv[1]); //reçoit un URI comme un arg
if (he == NULL) { // Effectue une vérification des erreurs
perror("gethostbyname");
return -1;
}// Affiche les informations sur cet hôte
printf("Official name is: %s\n", he->h_name);
printf("IP address: %s\n", inet_ntoa(*(struct in_addr*)he->h_addr));
printf("All addresses: ");
addr_list = (struct in_addr **)he->h_addr_list;
for(i = 0; addr_list[i] != NULL; i++) {
printf("%s ", inet_ntoa(*addr_list[i]));
}
return 0;
