using the messageBytes parameter instead

echoserver/echoserver.c

@@ -134,7 +134,7 @@ int main(int argc, char **argv)
                     else
                     {
                         // if it is open, send the message back to the client over the client socket
-                        write(fileIter, message, sizeof(message));
+                        write(fileIter, message,messageBytes);
                         printf("\nMessage has been sent back to client.\n");
                     }
                     printf("\nMessage received.\n");