--- /dev/null
+/*
+ * libtu/prefix.h
+ *
+ * Copyright (c) Tuomo Valkonen 1999-2007.
+ *
+ * You may distribute and modify this library under the terms of either
+ * the Clarified Artistic License or the GNU LGPL, version 2.1 or later.
+ */
+
+#ifndef _LIBTU_PREFIX_H
+#define _LIBTU_PREFIX_H
+
+extern void prefix_set(const char *binloc, const char *dflt);
+extern char *prefix_add(const char *s);
+extern bool prefix_wrap_simple(bool (*fn)(const char *s), const char *s);
+
+#endif /* _LIBTU_PREFIX_H */