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/*
   Here is an example client program that makes a connection for a byte
stream socket in the Internet namespace.  It doesn't do anything
particularly interesting once it has connected to the server; it just
sends a text string to the server and exits.
*/

#include <stdio.h>
#include <errno.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>

#define PORT            5555 
#define MESSAGE         "Yow!!! Are we having fun yet?!?"
#define SERVERHOST      "localhost"


void write_to_server (int filedes)
{
    int nbytes;

    nbytes = write (filedes, MESSAGE, strlen (MESSAGE) + 1);
    if (nbytes < 0) {
	perror ("write");
	exit (EXIT_FAILURE);
    }
}


int main (void)
{
    int sock;
    struct sockaddr_in servername;

    /* Create the socket. */
    sock = socket (PF_INET, SOCK_STREAM, 0);
    if (sock < 0) {
	perror ("socket (client)");
	exit (EXIT_FAILURE);
    }

    /* Connect to the server. */
    init_sockaddr (&servername, SERVERHOST, PORT);
    if (0 > connect (sock, (struct sockaddr *) &servername,
	sizeof (servername))) {
	perror ("connect (client)");
	exit (EXIT_FAILURE);
    }

    /* Send data to the server. */
    write_to_server (sock);
    close (sock);
    exit (EXIT_SUCCESS);
}

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