--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/include/number_lookup.h	Tue Dec 12 23:52:50 2023 +0000
@@ -0,0 +1,12 @@
+/*
+ * This header file provides function prototype declarations
+ * for numdb lookup library.
+ */
+
+#pragma once
+
+int read_number_db(void);
+int refresh_number_db(void);
+
+const struct owned_number_rec *numdb_lookup_nanp(const char *numstr);
+const struct short_number_rec *numdb_lookup_short(const char *numstr);