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Diffstat (limited to 'nuttx/arch/sim/src/up_netdev.c')
-rw-r--r--nuttx/arch/sim/src/up_netdev.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/nuttx/arch/sim/src/up_netdev.c b/nuttx/arch/sim/src/up_netdev.c
index 742492971..8758facc4 100644
--- a/nuttx/arch/sim/src/up_netdev.c
+++ b/nuttx/arch/sim/src/up_netdev.c
@@ -1,5 +1,5 @@
/****************************************************************************
- * up_tapdev.c
+ * arch/sim/src/up_tapdev.c
*
* Copyright (C) 2011 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
@@ -44,6 +44,10 @@
* Private Definitions
****************************************************************************/
+#ifndef NULL
+# define NULL (void*)0
+#endif
+
/****************************************************************************
* Private Types
****************************************************************************/