+bool silc_to_upper(const char *string, char *dest, SilcUInt32 dest_size);
+
+/****f* silcutil/SilcUtilAPI/silc_to_lower
+ *
+ * SYNOPSIS
+ *
+ * bool silc_to_lower(const char *string, char *dest, SilcUInt32 dest_size);
+ *
+ * DESCRIPTION
+ *
+ * Converts string to capital characters.
+ *
+ ***/
+bool silc_to_lower(const char *string, char *dest, SilcUInt32 dest_size);