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

[musl] / include / stdlib.h

diff --git a/include/stdlib.h b/include/stdlib.h
index 2d1505b..671d188 100644 (file)
--- a/include/stdlib.h
+++ b/include/stdlib.h
@@ -7,12 +7,7 @@ extern "C" {
 
 #include <features.h>
 
-#undef NULL
-#ifdef __cplusplus
-#define NULL 0
-#else
-#define NULL ((void*)0)
-#endif
+#define NULL 0L
 
 #define __NEED_size_t
 #define __NEED_wchar_t