60 lines
1.1 KiB
C
60 lines
1.1 KiB
C
#include <stdio.h>
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#include <errno.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <netdb.h>
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#define PORT 5555
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#define MESSAGE "Yow!!! Are we having fun yet?!?"
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#define SERVERHOST "mescaline.gnu.org"
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void
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write_to_server (int filedes)
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{
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int nbytes;
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nbytes = write (filedes, MESSAGE, strlen (MESSAGE) + 1);
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if (nbytes < 0)
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{
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perror ("write");
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exit (EXIT_FAILURE);
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}
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}
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int
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main (void)
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{
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extern void init_sockaddr (struct sockaddr_in *name,
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const char *hostname,
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uint16_t port);
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int sock;
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struct sockaddr_in servername;
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/* Create the socket. */
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sock = socket (PF_INET, SOCK_STREAM, 0);
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if (sock < 0)
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{
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perror ("socket (client)");
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exit (EXIT_FAILURE);
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}
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/* Connect to the server. */
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init_sockaddr (&servername, SERVERHOST, PORT);
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if (0 > connect (sock,
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(struct sockaddr *) &servername,
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sizeof (servername)))
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{
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perror ("connect (client)");
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exit (EXIT_FAILURE);
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}
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/* Send data to the server. */
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write_to_server (sock);
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close (sock);
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exit (EXIT_SUCCESS);
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}
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