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-rw-r--r--libguile/dynwind.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/libguile/dynwind.h b/libguile/dynwind.h
index 9f457f636..f956ea456 100644
--- a/libguile/dynwind.h
+++ b/libguile/dynwind.h
@@ -59,6 +59,8 @@ extern SCM scm_internal_dynamic_wind (scm_t_guard before,
extern void scm_dowinds (SCM to, long delta);
extern void scm_init_dynwind (void);
+extern void scm_swap_bindings (SCM vars, SCM vals);
+
#ifdef GUILE_DEBUG
extern SCM scm_wind_chain (void);
#endif /*GUILE_DEBUG*/