SCM_API SCM scm_c_make_keyword (const char *s);
+/* Discouraged because the 'internal' and 'thread' moniker is
+ confusing.
+ */
+
+#define scm_internal_select scm_std_select
+#define scm_thread_sleep scm_std_sleep
+#define scm_thread_usleep scm_std_usleep
void scm_i_init_discouraged (void);