diff --git a/examples/tts/anyascii.h b/examples/tts/anyascii.h
new file mode 100644
index 000000000..8216fe0a7
--- /dev/null
+++ b/examples/tts/anyascii.h
@@ -0,0 +1,27 @@
+/*
+ISC License
+
+Copyright (c) 2020-2023, Hunter WB <hunterwb.com>
+
+Permission to use, copy, modify, and/or distribute this software for any
+purpose with or without fee is hereby granted, provided that the above
+copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+*/
+
+#ifndef ANYASCII_H
+#define ANYASCII_H
+
+#include <stddef.h>
+#include <stdint.h>
+
+size_t anyascii(uint_least32_t utf32, const char **ascii);
+
+#endif