+/* Idle functions */
+void idle_add(idle_t *idle);
+void idle_set(idle_t *idle, int first, int next);
+
+/* Regex functions */
+void reg_set(reg_t *reg, const char *pattern, int flags);
+void reg_clr(reg_t *reg);
+int reg_match(reg_t *reg, const char *text);
+int reg_check(reg_t *reg, int pos);
+
+/* Spell functions */
+int spell_check(const char *word, const char **fixes);
+