Applied copyright headers

d3270-common/src/b3270.rs

@@ -1,3 +1,21 @@
+/*************************************************************************
+ * D3270 - Detachable 3270 interface                                      *
+ * Copyright (C) 2023  Daniel Hirsch                                      *
+ *                                                                        *
+ * This program is free software: you can redistribute it and/or modify   *
+ * it under the terms of the GNU General Public License as published by   *
+ * the Free Software Foundation, either version 3 of the License, or      *
+ * (at your option) any later version.                                    *
+ *                                                                        *
+ * This program is distributed in the hope that it will be useful,        *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of         *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the          *
+ * GNU General Public License for more details.                           *
+ *                                                                        *
+ * You should have received a copy of the GNU General Public License      *
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>. *
+ *************************************************************************/
+
 use indication::{
     CodePage, ConnectAttempt, Connection, Erase, FileTransfer, Hello, Model, Passthru, Popup,
     Proxy, RunResult, Screen, ScreenMode, Scroll, Setting, Stats, TerminalName, Thumb, Tls,