#include <arpa/inet.h>  // for socket(), AF_INT, SOCK_STREAM

#include <stdlib.h>     // for EXIT_SUCCESS, EXIT_FAILURE

#include <string.h>     // for strerror()

#include <unistd.h>     // for close()

#include <iostream>     // for std::cerr, std::endl



int main(int argc, char **argv) {

  int socket_fd = socket(AF_INET, SOCK_STREAM, 0);

  if (socket_fd == -1) {

     std::cerr << strerror(errno) << std::endl;

     return EXIT_FAILURE;

  }

  close(socket_fd);

  return EXIT_SUCCESS;

}