diff --git a/libguile/script.h b/libguile/script.h
index 406e76645..a94ab68c9 100644
--- a/libguile/script.h
+++ b/libguile/script.h
@@ -53,6 +53,8 @@ extern char *scm_find_impl_file SCM_P ((char *exec_path,
 					const char *sep));
 extern char **scm_get_meta_args SCM_P ((int argc, char **argv));
 extern int scm_count_argv SCM_P ((char **argv));
+extern void scm_shell_usage SCM_P ((int fatal, char *message));
+extern SCM scm_compile_shell_switches SCM_P ((int argc, char **argv));
 extern void scm_shell SCM_P ((int argc, char **argv));
 extern char *scm_usage_name;
 extern void scm_init_script ();