/* Internet Socket Example using sockaddr_in.

   Copyright (C) 1991-2018 Free Software Foundation, Inc.

   This program is free software; you can redistribute it and/or

   modify it under the terms of the GNU General Public License

   as published by the Free Software Foundation; either version 2

   of the License, or (at your option) any later version.

   This program is distributed in the hope that it will be useful,

   but WITHOUT ANY WARRANTY; without even the implied warranty of

   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License

   along with this program; if not, if not, see <http://www.gnu.org/licenses/>.

*/

#include <stdio.h>

#include <stdlib.h>

#include <sys/socket.h>

#include <netinet/in.h>

#include <netdb.h>

void

init_sockaddr (struct sockaddr_in *name,

	       const char *hostname,

	       uint16_t port)

{

  struct hostent *hostinfo;

  name->sin_family = AF_INET;

  name->sin_port = htons (port);

  hostinfo = gethostbyname (hostname);

  if (hostinfo == NULL)

    {

      fprintf (stderr, "Unknown host %s.\n", hostname);

      exit (EXIT_FAILURE);

    }

  name->sin_addr = *(struct in_addr *) hostinfo->h_addr;

}