Un simple programa para saber la IP de cualquier host.

/**
* ResolveIP 0.1 
* Written By Doddy H
* Thanks to CrashCool
*/
 
#include <winsock.h>
#include <stdio.h>
 
void head() {
  printf("\n -- == ResolveIP 0.1 == --\n\n");    
}
 
void end() {
  printf("\n\n -- == Written By Doddy H == --\n");
}
 
int main(int argc, char *argv[]) {
  char *dom,*host,*ip;
  struct hostent *parteuno;
  WSADATA partedos;
 
  head();
 
  if(argc != 2) {
    printf("\n[+] Sintax : resolve <host>\n");
  } else {
    dom = argv[1];
    WSAStartup(MAKEWORD(1,1),&partedos);
    parteuno = gethostbyname(dom);
    if(parteuno==NULL) {
      printf("\n[-] Error\n");
      end();
      exit(1);
    }
    host = parteuno->h_name;
    ip = inet_ntoa(*((struct in_addr *)parteuno->h_addr));
    printf("\n[+] HOST : %s",host);
    printf("\n[+] IP : %s\n",ip);
  }
  end();
  return 0;
}
 
/* The End */