use a common definition of NULL as 0L for C and C++

[musl] / include / stddef.h

diff --git a/include/stddef.h b/include/stddef.h
index a5bb9ec..9d52248 100644 (file)
--- a/include/stddef.h
+++ b/include/stddef.h
@@ -1,12 +1,7 @@
 #ifndef _STDDEF_H
 #define _STDDEF_H
 
-#undef NULL
-#ifdef __cplusplus
-#define NULL 0
-#else
-#define NULL ((void*)0)
-#endif
+#define NULL 0L
 
 #define __NEED_ptrdiff_t
 #define __NEED_size_t