added more debugging statements.

echoserver/echoserver.c

@@ -109,6 +109,7 @@ int main(int argc, char **argv)
                             // if it is, set the new max.
                             maxFD = clientEchoFD;
                         }
+                        printf("\nConnected client to socket: %d\n", clientEchoFD);
                     }
                 }
                 // if the client socket(s) are being written to/read from,