diff --git NuttX/nuttx/include/ctype.h NuttX/nuttx/include/ctype.h
index dcf918b..65706b7 100644
--- NuttX/nuttx/include/ctype.h
+++ NuttX/nuttx/include/ctype.h
@@ -50,6 +50,8 @@
 /****************************************************************************
  * Pre-processor Definitions
  ****************************************************************************/
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wshadow"
 
 /****************************************************************************
  * Name: isspace
@@ -340,5 +342,6 @@ extern "C"
 #ifdef __cplusplus
 }
 #endif
+#pragma GCC diagnostic pop
 
 #endif /* __INCLUDE_CTYPE_H */