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-rw-r--r--internal.h1
1 files changed, 0 insertions, 1 deletions
diff --git a/internal.h b/internal.h
index e72785be56..3515767b36 100644
--- a/internal.h
+++ b/internal.h
@@ -1704,7 +1704,6 @@ int rb_match_nth_defined(int nth, VALUE match);
/* signal.c */
extern int ruby_enable_coredump;
int rb_get_next_signal(void);
-int rb_sigaltstack_size(void);
/* st.c */
extern void rb_hash_bulk_insert(long, const VALUE *, VALUE);