listati/TCP_echod_fourth.c

   1 int main(int argc, char *argv[])
   2 {
   3 /*
   4  * Variables definition
   5  */
   6     int list_fd, conn_fd;
   7     int waiting = 0;
   8     int keepalive = 0;
   9     ...
  10     ...
  11
  12         if (pid == 0) {      /* child */
  13             close(list_fd);          /* close listening socket */
  14             if (keepalive) {         /* enable keepalive ? */
  15                 setsockopt(conn_fd, SOL_SOCKET, SO_KEEPALIVE,
  16                            &keepalive, sizeof(keepalive));
  17             }
  18             ServEcho(conn_fd);       /* handle echo */
  19             ...
  20 }