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-rw-r--r--internal.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/internal.h b/internal.h
index 59e855c8507..b555bbab063 100644
--- a/internal.h
+++ b/internal.h
@@ -2042,6 +2042,9 @@ VALUE rb_gcd_normal(VALUE self, VALUE other);
VALUE rb_gcd_gmp(VALUE x, VALUE y);
#endif
+/* signal.c (export) */
+int rb_grantpt(int fd);
+
/* string.c (export) */
#ifdef RUBY_ENCODING_H
/* internal use */