Something

#include <cstdlib>
#include <iostream>
#include "SDL/SDL.h"
#include "SDL/SDL_net.h"

using namespace std;

int main(int argc, char* args[])
{
    IPaddress ip;
     if(SDL_Init(0)==-1) {
     cout << "SDL_Init:\n" << SDL_GetError();
        exit(1);
    }
    if(SDLNet_Init()==-1)
    {
                     cout << "erro\n" << SDLNet_GetError();
                     exit(2);     
                   
    }
    
    if (SDLNet_ResolveHost(&ip,NULL,16) ==-1)
    {
        cout << "Could not resolve host";
    }
    else
    printf("LocalHost: %s\n",SDLNet_ResolveIP(&ip));

    system("PAUSE");
    
    // shutdown SDL_net
	SDLNet_Quit();

	// shutdown SDL
	SDL_Quit();
    return EXIT_SUCCESS;
}