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-rw-r--r--firmware/include/string.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/firmware/include/string.h b/firmware/include/string.h
index 713a875..32b86cd 100644
--- a/firmware/include/string.h
+++ b/firmware/include/string.h
@@ -17,7 +17,7 @@ extern "C" {
#include <stddef.h>
#ifndef NULL
-#define NULL 0
+#define NULL ((void*)0)
#endif
_PTR _EXFUN(memchr,(const _PTR, int, size_t));