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-rw-r--r--stdlib/stdlib.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/stdlib/stdlib.h b/stdlib/stdlib.h
index ad9c6c8..f0dc951 100644
--- a/stdlib/stdlib.h
+++ b/stdlib/stdlib.h
@@ -876,7 +876,7 @@ extern void setkey (const char *__key) __THROW __nonnull ((1));
extern int posix_openpt (int __oflag) __wur;
#endif
-#ifdef __USE_XOPEN
+#ifdef __USE_XOPEN_EXTENDED
/* The next four functions all take a master pseudo-tty fd and
perform an operation on the associated slave: */