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-rw-r--r--src/scheme/ao_scheme.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/scheme/ao_scheme.h b/src/scheme/ao_scheme.h
index 4655b2a9..2fa1ed60 100644
--- a/src/scheme/ao_scheme.h
+++ b/src/scheme/ao_scheme.h
@@ -634,6 +634,9 @@ ao_scheme_cons_display(ao_poly);
int
ao_scheme_cons_length(struct ao_scheme_cons *cons);
+struct ao_scheme_cons *
+ao_scheme_cons_copy(struct ao_scheme_cons *cons);
+
/* string */
extern const struct ao_scheme_type ao_scheme_string_type;