#include <stdio.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netdb.h>

int main(int argc,char *argv[])
{
	struct hostent *hp;
	
	printf("%s\n",argv[1]);
	hp = gethostbyaddr(argv[1],atoi(argv[2]),atoi(argv[3]));

	if (hp == NULL) {
		printf("lookup failed\n");
	} else {
		int i;
		printf("hp->name = %s\n",hp->h_name);
		for (i = 0; hp->h_addr_list[i] != NULL; i++) {
			printf("hp->h_addr_list[%d] = %u.%u.%u.%u\n",i,hp->h_addr_list[i][0],hp->h_addr_list[i][1],hp->h_addr_list[i][2],hp->h_addr_list[i][3]);
		}
	}
}