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-rw-r--r--libguile/async.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/libguile/async.h b/libguile/async.h
index 6f9458983..76a603194 100644
--- a/libguile/async.h
+++ b/libguile/async.h
@@ -63,6 +63,7 @@ extern unsigned int scm_mask_ints;
extern SCM scm_gc_async;
+extern int scm_asyncs_pending SCM_P ((void));
extern void scm_async_click SCM_P ((void));
extern void scm_switch SCM_P ((void));
extern SCM scm_async SCM_P ((SCM thunk));