+/*
+ * Helper functions for test programs.
+ * Copyright © 2012, 2022 Nick Bowler
+ *
+ * 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/>.
+ */
+
#ifndef TEST_COMMON_H_
#define TEST_COMMON_H_
+struct option;
+
+void test_print_version(const char *program);
+void test_print_options(const struct option *lopts);
+
size_t test_decode_hex(const char *hex, unsigned char *buf, size_t n);
#endif