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-rwxr-xr-xginclude/stddef.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/ginclude/stddef.h b/ginclude/stddef.h
index 6c60d76..562b4e6 100755
--- a/ginclude/stddef.h
+++ b/ginclude/stddef.h
@@ -18,6 +18,8 @@ typedef int wchar_t;
/* A null pointer constant. */
+/* in case <stdio.h> has defined it. */
+#undef NULL
#define NULL ((void *)0)
/* Offset of member MEMBER in a struct of type TYPE. */