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- #include <stdio.h>
- #include <errno.h>
- #include <stdlib.h>
- #include <sys/socket.h>
- #include <sys/un.h>
-
- #define SERVER "/tmp/serversocket"
- #define MAXMSG 512
-
- int
- main (void)
- {
- int sock;
- char message[MAXMSG];
- struct sockaddr_un name;
- size_t size;
- int nbytes;
-
- /* Make the socket, then loop endlessly. */
-
- sock = make_named_socket (SERVER);
- while (1)
- {
- /* Wait for a datagram. */
- size = sizeof (name);
- nbytes = recvfrom (sock, message, MAXMSG, 0,
- (struct sockaddr *) & name, &size);
- if (nbytes < 0)
- {
- perror ("recfrom (server)");
- exit (EXIT_FAILURE);
- }
-
- /* Give a diagnostic message. */
- fprintf (stderr, "Server: got message: %s\n", message);
-
- /* Bounce the message back to the sender. */
- nbytes = sendto (sock, message, nbytes, 0,
- (struct sockaddr *) & name, size);
- if (nbytes < 0)
- {
- perror ("sendto (server)");
- exit (EXIT_FAILURE);
- }
- }
- }
-