--- /dev/null
+/*
+ * clients.h
+ * - useful declarations and definitions for adns client programs
+ */
+/*
+ * This file is
+ * Copyright (C) 1997-2000 Ian Jackson <ian@davenant.greenend.org.uk>
+ *
+ * It is part of adns, which is
+ * Copyright (C) 1997-2000 Ian Jackson <ian@davenant.greenend.org.uk>
+ * Copyright (C) 1999-2000 Tony Finch <dot@dotat.at>
+ *
+ * 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 2, 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, write to the Free Software Foundation,
+ * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#ifndef CLIENT_H_INCLUDED
+#define CLIENT_H_INCLUDED
+
+#define ADNS_VERSION_STRING "1.0"
+
+#define COPYRIGHT_MESSAGE \
+ "Copyright (C) 1997-2000 Ian Jackson <ian@davenant.greenend.org.uk>\n" \
+ "Copyright (C) 1999-2000 Tony Finch <dot@dotat.at>\n" \
+ "This is free software; see the source for copying conditions. There is NO\n" \
+ "warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n"
+
+#define VERSION_MESSAGE(program) \
+ program " (GNU adns) " ADNS_VERSION_STRING "\n\n" COPYRIGHT_MESSAGE
+
+#define VERSION_PRINT_QUIT(program) \
+ if (fputs(VERSION_MESSAGE(program),stdout) == EOF || \
+ fclose(stdout)) { \
+ perror(program ": write version message"); \
+ quitnow(-1); \
+ } \
+ quitnow(0);
+
+void quitnow(int rc) NONRETURNING;
+
+#endif